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multi-datasource-demo
提交 4a33c26c authored 作者: 廖宁波's avatar 廖宁波
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      浏览文件 @ 4a33c26c
      <?xml version="1.0" encoding="UTF-8"?>
      <module org.jetbrains.idea.maven.project.MavenProjectsManager.isMavenModule="true" type="JAVA_MODULE" version="4">
      <component name="FacetManager">
      <facet type="web" name="Web">
      <configuration>
      <webroots />
      <sourceRoots>
      <root url="file://$MODULE_DIR$/src/main/java" />
      <root url="file://$MODULE_DIR$/src/main/resources" />
      </sourceRoots>
      </configuration>
      </facet>
      <facet type="Spring" name="Spring">
      <configuration />
      </facet>
      </component>
      <component name="NewModuleRootManager" LANGUAGE_LEVEL="JDK_1_8">
      <output url="file://$MODULE_DIR$/target/classes" />
      <output-test url="file://$MODULE_DIR$/target/test-classes" />
      <content url="file://$MODULE_DIR$">
      <sourceFolder url="file://$MODULE_DIR$/src/main/java" isTestSource="false" />
      <sourceFolder url="file://$MODULE_DIR$/src/main/resources" type="java-resource" />
      <sourceFolder url="file://$MODULE_DIR$/src/test/java" isTestSource="true" />
      <excludeFolder url="file://$MODULE_DIR$/target" />
      </content>
      <orderEntry type="inheritedJdk" />
      <orderEntry type="sourceFolder" forTests="false" />
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      <orderEntry type="library" name="Maven: org.springframework:spring-expression:5.2.9.RELEASE" level="project" />
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      <orderEntry type="library" scope="TEST" name="Maven: org.ow2.asm:asm:5.0.4" level="project" />
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      <orderEntry type="library" scope="TEST" name="Maven: org.objenesis:objenesis:2.6" level="project" />
      <orderEntry type="library" scope="TEST" name="Maven: org.mockito:mockito-junit-jupiter:3.3.3" level="project" />
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      <orderEntry type="library" scope="TEST" name="Maven: org.xmlunit:xmlunit-core:2.7.0" level="project" />
      <orderEntry type="library" name="Maven: org.projectlombok:lombok:1.18.12" level="project" />
      <orderEntry type="library" name="Maven: org.mybatis.spring.boot:mybatis-spring-boot-starter:2.0.0" level="project" />
      <orderEntry type="library" name="Maven: org.springframework.boot:spring-boot-starter-jdbc:2.3.4.RELEASE" level="project" />
      <orderEntry type="library" name="Maven: com.zaxxer:HikariCP:3.4.5" level="project" />
      <orderEntry type="library" name="Maven: org.mybatis.spring.boot:mybatis-spring-boot-autoconfigure:2.0.0" level="project" />
      <orderEntry type="library" name="Maven: org.mybatis:mybatis:3.5.0" level="project" />
      <orderEntry type="library" name="Maven: org.mybatis:mybatis-spring:2.0.0" level="project" />
      <orderEntry type="module" module-name="multidatasource" />
      <orderEntry type="library" scope="RUNTIME" name="Maven: mysql:mysql-connector-java:8.0.21" level="project" />
      <orderEntry type="library" name="Maven: com.alibaba:druid-spring-boot-starter:1.1.10" level="project" />
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      <orderEntry type="library" name="Maven: org.apache.curator:curator-client:2.7.0" level="project" />
      <orderEntry type="library" name="Maven: org.apache.zookeeper:zookeeper:3.4.6" level="project" />
      <orderEntry type="library" name="Maven: log4j:log4j:1.2.16" level="project" />
      <orderEntry type="library" name="Maven: jline:jline:0.9.94" level="project" />
      <orderEntry type="library" name="Maven: io.netty:netty:3.7.0.Final" level="project" />
      <orderEntry type="library" name="Maven: com.google.guava:guava:16.0.1" level="project" />
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      <orderEntry type="library" name="Maven: com.fasterxml.jackson.datatype:jackson-datatype-joda:2.11.2" level="project" />
      <orderEntry type="library" name="Maven: com.fasterxml.jackson.core:jackson-annotations:2.11.2" level="project" />
      <orderEntry type="library" name="Maven: com.fasterxml.jackson.core:jackson-core:2.11.2" level="project" />
      <orderEntry type="library" name="Maven: joda-time:joda-time:2.9.9" level="project" />
      </component>
      </module>
      \ No newline at end of file
      multidatasource/.gitignore 0 → 100644
      浏览文件 @ 4a33c26c
      HELP.md
      target/
      !.mvn/wrapper/maven-wrapper.jar
      !**/src/main/**/target/
      !**/src/test/**/target/
      ### STS ###
      .apt_generated
      .classpath
      .factorypath
      .project
      .settings
      .springBeans
      .sts4-cache
      ### IntelliJ IDEA ###
      .idea
      *.iws
      *.iml
      *.ipr
      ### NetBeans ###
      /nbproject/private/
      /nbbuild/
      /dist/
      /nbdist/
      /.nb-gradle/
      build/
      !**/src/main/**/build/
      !**/src/test/**/build/
      ### VS Code ###
      .vscode/
      multidatasource/.mvn/wrapper/MavenWrapperDownloader.java 0 → 100644
      浏览文件 @ 4a33c26c
      /*
      * Copyright 2007-present the original author or authors.
      *
      * Licensed under the Apache License, Version 2.0 (the "License");
      * you may not use this file except in compliance with the License.
      * You may obtain a copy of the License at
      *
      * https://www.apache.org/licenses/LICENSE-2.0
      *
      * Unless required by applicable law or agreed to in writing, software
      * distributed under the License is distributed on an "AS IS" BASIS,
      * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
      * See the License for the specific language governing permissions and
      * limitations under the License.
      */
      import java.net.*;
      import java.io.*;
      import java.nio.channels.*;
      import java.util.Properties;
      public class MavenWrapperDownloader {
      private static final String WRAPPER_VERSION = "0.5.6";
      /**
      * Default URL to download the maven-wrapper.jar from, if no 'downloadUrl' is provided.
      */
      private static final String DEFAULT_DOWNLOAD_URL = "https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/"
      + WRAPPER_VERSION + "/maven-wrapper-" + WRAPPER_VERSION + ".jar";
      /**
      * Path to the maven-wrapper.properties file, which might contain a downloadUrl property to
      * use instead of the default one.
      */
      private static final String MAVEN_WRAPPER_PROPERTIES_PATH =
      ".mvn/wrapper/maven-wrapper.properties";
      /**
      * Path where the maven-wrapper.jar will be saved to.
      */
      private static final String MAVEN_WRAPPER_JAR_PATH =
      ".mvn/wrapper/maven-wrapper.jar";
      /**
      * Name of the property which should be used to override the default download url for the wrapper.
      */
      private static final String PROPERTY_NAME_WRAPPER_URL = "wrapperUrl";
      public static void main(String args[]) {
      System.out.println("- Downloader started");
      File baseDirectory = new File(args[0]);
      System.out.println("- Using base directory: " + baseDirectory.getAbsolutePath());
      // If the maven-wrapper.properties exists, read it and check if it contains a custom
      // wrapperUrl parameter.
      File mavenWrapperPropertyFile = new File(baseDirectory, MAVEN_WRAPPER_PROPERTIES_PATH);
      String url = DEFAULT_DOWNLOAD_URL;
      if (mavenWrapperPropertyFile.exists()) {
      FileInputStream mavenWrapperPropertyFileInputStream = null;
      try {
      mavenWrapperPropertyFileInputStream = new FileInputStream(mavenWrapperPropertyFile);
      Properties mavenWrapperProperties = new Properties();
      mavenWrapperProperties.load(mavenWrapperPropertyFileInputStream);
      url = mavenWrapperProperties.getProperty(PROPERTY_NAME_WRAPPER_URL, url);
      } catch (IOException e) {
      System.out.println("- ERROR loading '" + MAVEN_WRAPPER_PROPERTIES_PATH + "'");
      } finally {
      try {
      if (mavenWrapperPropertyFileInputStream != null) {
      mavenWrapperPropertyFileInputStream.close();
      }
      } catch (IOException e) {
      // Ignore ...
      }
      }
      }
      System.out.println("- Downloading from: " + url);
      File outputFile = new File(baseDirectory.getAbsolutePath(), MAVEN_WRAPPER_JAR_PATH);
      if (!outputFile.getParentFile().exists()) {
      if (!outputFile.getParentFile().mkdirs()) {
      System.out.println(
      "- ERROR creating output directory '" + outputFile.getParentFile().getAbsolutePath() + "'");
      }
      }
      System.out.println("- Downloading to: " + outputFile.getAbsolutePath());
      try {
      downloadFileFromURL(url, outputFile);
      System.out.println("Done");
      System.exit(0);
      } catch (Throwable e) {
      System.out.println("- Error downloading");
      e.printStackTrace();
      System.exit(1);
      }
      }
      private static void downloadFileFromURL(String urlString, File destination) throws Exception {
      if (System.getenv("MVNW_USERNAME") != null && System.getenv("MVNW_PASSWORD") != null) {
      String username = System.getenv("MVNW_USERNAME");
      char[] password = System.getenv("MVNW_PASSWORD").toCharArray();
      Authenticator.setDefault(new Authenticator() {
      @Override
      protected PasswordAuthentication getPasswordAuthentication() {
      return new PasswordAuthentication(username, password);
      }
      });
      }
      URL website = new URL(urlString);
      ReadableByteChannel rbc;
      rbc = Channels.newChannel(website.openStream());
      FileOutputStream fos = new FileOutputStream(destination);
      fos.getChannel().transferFrom(rbc, 0, Long.MAX_VALUE);
      fos.close();
      rbc.close();
      }
      }
      multidatasource/.mvn/wrapper/maven-wrapper.properties 0 → 100644
      浏览文件 @ 4a33c26c
      distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.8.3/apache-maven-3.8.3-bin.zip
      wrapperUrl=https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar
      multidatasource/mvnw 0 → 100755
      浏览文件 @ 4a33c26c
      #!/bin/sh
      # ----------------------------------------------------------------------------
      # Licensed to the Apache Software Foundation (ASF) under one
      # or more contributor license agreements. See the NOTICE file
      # distributed with this work for additional information
      # regarding copyright ownership. The ASF licenses this file
      # to you under the Apache License, Version 2.0 (the
      # "License"); you may not use this file except in compliance
      # with the License. You may obtain a copy of the License at
      #
      # https://www.apache.org/licenses/LICENSE-2.0
      #
      # Unless required by applicable law or agreed to in writing,
      # software distributed under the License is distributed on an
      # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
      # KIND, either express or implied. See the License for the
      # specific language governing permissions and limitations
      # under the License.
      # ----------------------------------------------------------------------------
      # ----------------------------------------------------------------------------
      # Maven Start Up Batch script
      #
      # Required ENV vars:
      # ------------------
      # JAVA_HOME - location of a JDK home dir
      #
      # Optional ENV vars
      # -----------------
      # M2_HOME - location of maven2's installed home dir
      # MAVEN_OPTS - parameters passed to the Java VM when running Maven
      # e.g. to debug Maven itself, use
      # set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
      # MAVEN_SKIP_RC - flag to disable loading of mavenrc files
      # ----------------------------------------------------------------------------
      if [ -z "$MAVEN_SKIP_RC" ] ; then
      if [ -f /etc/mavenrc ] ; then
      . /etc/mavenrc
      fi
      if [ -f "$HOME/.mavenrc" ] ; then
      . "$HOME/.mavenrc"
      fi
      fi
      # OS specific support. $var _must_ be set to either true or false.
      cygwin=false;
      darwin=false;
      mingw=false
      case "`uname`" in
      CYGWIN*) cygwin=true ;;
      MINGW*) mingw=true;;
      Darwin*) darwin=true
      # Use /usr/libexec/java_home if available, otherwise fall back to /Library/Java/Home
      # See https://developer.apple.com/library/mac/qa/qa1170/_index.html
      if [ -z "$JAVA_HOME" ]; then
      if [ -x "/usr/libexec/java_home" ]; then
      export JAVA_HOME="`/usr/libexec/java_home`"
      else
      export JAVA_HOME="/Library/Java/Home"
      fi
      fi
      ;;
      esac
      if [ -z "$JAVA_HOME" ] ; then
      if [ -r /etc/gentoo-release ] ; then
      JAVA_HOME=`java-config --jre-home`
      fi
      fi
      if [ -z "$M2_HOME" ] ; then
      ## resolve links - $0 may be a link to maven's home
      PRG="$0"
      # need this for relative symlinks
      while [ -h "$PRG" ] ; do
      ls=`ls -ld "$PRG"`
      link=`expr "$ls" : '.*-> \(.*\)$'`
      if expr "$link" : '/.*' > /dev/null; then
      PRG="$link"
      else
      PRG="`dirname "$PRG"`/$link"
      fi
      done
      saveddir=`pwd`
      M2_HOME=`dirname "$PRG"`/..
      # make it fully qualified
      M2_HOME=`cd "$M2_HOME" && pwd`
      cd "$saveddir"
      # echo Using m2 at $M2_HOME
      fi
      # For Cygwin, ensure paths are in UNIX format before anything is touched
      if $cygwin ; then
      [ -n "$M2_HOME" ] &&
      M2_HOME=`cygpath --unix "$M2_HOME"`
      [ -n "$JAVA_HOME" ] &&
      JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
      [ -n "$CLASSPATH" ] &&
      CLASSPATH=`cygpath --path --unix "$CLASSPATH"`
      fi
      # For Mingw, ensure paths are in UNIX format before anything is touched
      if $mingw ; then
      [ -n "$M2_HOME" ] &&
      M2_HOME="`(cd "$M2_HOME"; pwd)`"
      [ -n "$JAVA_HOME" ] &&
      JAVA_HOME="`(cd "$JAVA_HOME"; pwd)`"
      fi
      if [ -z "$JAVA_HOME" ]; then
      javaExecutable="`which javac`"
      if [ -n "$javaExecutable" ] && ! [ "`expr \"$javaExecutable\" : '\([^ ]*\)'`" = "no" ]; then
      # readlink(1) is not available as standard on Solaris 10.
      readLink=`which readlink`
      if [ ! `expr "$readLink" : '\([^ ]*\)'` = "no" ]; then
      if $darwin ; then
      javaHome="`dirname \"$javaExecutable\"`"
      javaExecutable="`cd \"$javaHome\" && pwd -P`/javac"
      else
      javaExecutable="`readlink -f \"$javaExecutable\"`"
      fi
      javaHome="`dirname \"$javaExecutable\"`"
      javaHome=`expr "$javaHome" : '\(.*\)/bin'`
      JAVA_HOME="$javaHome"
      export JAVA_HOME
      fi
      fi
      fi
      if [ -z "$JAVACMD" ] ; then
      if [ -n "$JAVA_HOME" ] ; then
      if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
      # IBM's JDK on AIX uses strange locations for the executables
      JAVACMD="$JAVA_HOME/jre/sh/java"
      else
      JAVACMD="$JAVA_HOME/bin/java"
      fi
      else
      JAVACMD="`which java`"
      fi
      fi
      if [ ! -x "$JAVACMD" ] ; then
      echo "Error: JAVA_HOME is not defined correctly." >&2
      echo " We cannot execute $JAVACMD" >&2
      exit 1
      fi
      if [ -z "$JAVA_HOME" ] ; then
      echo "Warning: JAVA_HOME environment variable is not set."
      fi
      CLASSWORLDS_LAUNCHER=org.codehaus.plexus.classworlds.launcher.Launcher
      # traverses directory structure from process work directory to filesystem root
      # first directory with .mvn subdirectory is considered project base directory
      find_maven_basedir() {
      if [ -z "$1" ]
      then
      echo "Path not specified to find_maven_basedir"
      return 1
      fi
      basedir="$1"
      wdir="$1"
      while [ "$wdir" != '/' ] ; do
      if [ -d "$wdir"/.mvn ] ; then
      basedir=$wdir
      break
      fi
      # workaround for JBEAP-8937 (on Solaris 10/Sparc)
      if [ -d "${wdir}" ]; then
      wdir=`cd "$wdir/.."; pwd`
      fi
      # end of workaround
      done
      echo "${basedir}"
      }
      # concatenates all lines of a file
      concat_lines() {
      if [ -f "$1" ]; then
      echo "$(tr -s '\n' ' ' < "$1")"
      fi
      }
      BASE_DIR=`find_maven_basedir "$(pwd)"`
      if [ -z "$BASE_DIR" ]; then
      exit 1;
      fi
      ##########################################################################################
      # Extension to allow automatically downloading the maven-wrapper.jar from Maven-central
      # This allows using the maven wrapper in projects that prohibit checking in binary data.
      ##########################################################################################
      if [ -r "$BASE_DIR/.mvn/wrapper/maven-wrapper.jar" ]; then
      if [ "$MVNW_VERBOSE" = true ]; then
      echo "Found .mvn/wrapper/maven-wrapper.jar"
      fi
      else
      if [ "$MVNW_VERBOSE" = true ]; then
      echo "Couldn't find .mvn/wrapper/maven-wrapper.jar, downloading it ..."
      fi
      if [ -n "$MVNW_REPOURL" ]; then
      jarUrl="$MVNW_REPOURL/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar"
      else
      jarUrl="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar"
      fi
      while IFS="=" read key value; do
      case "$key" in (wrapperUrl) jarUrl="$value"; break ;;
      esac
      done < "$BASE_DIR/.mvn/wrapper/maven-wrapper.properties"
      if [ "$MVNW_VERBOSE" = true ]; then
      echo "Downloading from: $jarUrl"
      fi
      wrapperJarPath="$BASE_DIR/.mvn/wrapper/maven-wrapper.jar"
      if $cygwin; then
      wrapperJarPath=`cygpath --path --windows "$wrapperJarPath"`
      fi
      if command -v wget > /dev/null; then
      if [ "$MVNW_VERBOSE" = true ]; then
      echo "Found wget ... using wget"
      fi
      if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then
      wget "$jarUrl" -O "$wrapperJarPath"
      else
      wget --http-user=$MVNW_USERNAME --http-password=$MVNW_PASSWORD "$jarUrl" -O "$wrapperJarPath"
      fi
      elif command -v curl > /dev/null; then
      if [ "$MVNW_VERBOSE" = true ]; then
      echo "Found curl ... using curl"
      fi
      if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then
      curl -o "$wrapperJarPath" "$jarUrl" -f
      else
      curl --user $MVNW_USERNAME:$MVNW_PASSWORD -o "$wrapperJarPath" "$jarUrl" -f
      fi
      else
      if [ "$MVNW_VERBOSE" = true ]; then
      echo "Falling back to using Java to download"
      fi
      javaClass="$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.java"
      # For Cygwin, switch paths to Windows format before running javac
      if $cygwin; then
      javaClass=`cygpath --path --windows "$javaClass"`
      fi
      if [ -e "$javaClass" ]; then
      if [ ! -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then
      if [ "$MVNW_VERBOSE" = true ]; then
      echo " - Compiling MavenWrapperDownloader.java ..."
      fi
      # Compiling the Java class
      ("$JAVA_HOME/bin/javac" "$javaClass")
      fi
      if [ -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then
      # Running the downloader
      if [ "$MVNW_VERBOSE" = true ]; then
      echo " - Running MavenWrapperDownloader.java ..."
      fi
      ("$JAVA_HOME/bin/java" -cp .mvn/wrapper MavenWrapperDownloader "$MAVEN_PROJECTBASEDIR")
      fi
      fi
      fi
      fi
      ##########################################################################################
      # End of extension
      ##########################################################################################
      export MAVEN_PROJECTBASEDIR=${MAVEN_BASEDIR:-"$BASE_DIR"}
      if [ "$MVNW_VERBOSE" = true ]; then
      echo $MAVEN_PROJECTBASEDIR
      fi
      MAVEN_OPTS="$(concat_lines "$MAVEN_PROJECTBASEDIR/.mvn/jvm.config") $MAVEN_OPTS"
      # For Cygwin, switch paths to Windows format before running java
      if $cygwin; then
      [ -n "$M2_HOME" ] &&
      M2_HOME=`cygpath --path --windows "$M2_HOME"`
      [ -n "$JAVA_HOME" ] &&
      JAVA_HOME=`cygpath --path --windows "$JAVA_HOME"`
      [ -n "$CLASSPATH" ] &&
      CLASSPATH=`cygpath --path --windows "$CLASSPATH"`
      [ -n "$MAVEN_PROJECTBASEDIR" ] &&
      MAVEN_PROJECTBASEDIR=`cygpath --path --windows "$MAVEN_PROJECTBASEDIR"`
      fi
      # Provide a "standardized" way to retrieve the CLI args that will
      # work with both Windows and non-Windows executions.
      MAVEN_CMD_LINE_ARGS="$MAVEN_CONFIG $@"
      export MAVEN_CMD_LINE_ARGS
      WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
      exec "$JAVACMD" \
      $MAVEN_OPTS \
      -classpath "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar" \
      "-Dmaven.home=${M2_HOME}" "-Dmaven.multiModuleProjectDirectory=${MAVEN_PROJECTBASEDIR}" \
      ${WRAPPER_LAUNCHER} $MAVEN_CONFIG "$@"
      multidatasource/mvnw.cmd 0 → 100644
      浏览文件 @ 4a33c26c
      @REM ----------------------------------------------------------------------------
      @REM Licensed to the Apache Software Foundation (ASF) under one
      @REM or more contributor license agreements. See the NOTICE file
      @REM distributed with this work for additional information
      @REM regarding copyright ownership. The ASF licenses this file
      @REM to you under the Apache License, Version 2.0 (the
      @REM "License"); you may not use this file except in compliance
      @REM with the License. You may obtain a copy of the License at
      @REM
      @REM https://www.apache.org/licenses/LICENSE-2.0
      @REM
      @REM Unless required by applicable law or agreed to in writing,
      @REM software distributed under the License is distributed on an
      @REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
      @REM KIND, either express or implied. See the License for the
      @REM specific language governing permissions and limitations
      @REM under the License.
      @REM ----------------------------------------------------------------------------
      @REM ----------------------------------------------------------------------------
      @REM Maven Start Up Batch script
      @REM
      @REM Required ENV vars:
      @REM JAVA_HOME - location of a JDK home dir
      @REM
      @REM Optional ENV vars
      @REM M2_HOME - location of maven2's installed home dir
      @REM MAVEN_BATCH_ECHO - set to 'on' to enable the echoing of the batch commands
      @REM MAVEN_BATCH_PAUSE - set to 'on' to wait for a keystroke before ending
      @REM MAVEN_OPTS - parameters passed to the Java VM when running Maven
      @REM e.g. to debug Maven itself, use
      @REM set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
      @REM MAVEN_SKIP_RC - flag to disable loading of mavenrc files
      @REM ----------------------------------------------------------------------------
      @REM Begin all REM lines with '@' in case MAVEN_BATCH_ECHO is 'on'
      @echo off
      @REM set title of command window
      title %0
      @REM enable echoing by setting MAVEN_BATCH_ECHO to 'on'
      @if "%MAVEN_BATCH_ECHO%" == "on" echo %MAVEN_BATCH_ECHO%
      @REM set %HOME% to equivalent of $HOME
      if "%HOME%" == "" (set "HOME=%HOMEDRIVE%%HOMEPATH%")
      @REM Execute a user defined script before this one
      if not "%MAVEN_SKIP_RC%" == "" goto skipRcPre
      @REM check for pre script, once with legacy .bat ending and once with .cmd ending
      if exist "%HOME%\mavenrc_pre.bat" call "%HOME%\mavenrc_pre.bat"
      if exist "%HOME%\mavenrc_pre.cmd" call "%HOME%\mavenrc_pre.cmd"
      :skipRcPre
      @setlocal
      set ERROR_CODE=0
      @REM To isolate internal variables from possible post scripts, we use another setlocal
      @setlocal
      @REM ==== START VALIDATION ====
      if not "%JAVA_HOME%" == "" goto OkJHome
      echo.
      echo Error: JAVA_HOME not found in your environment. >&2
      echo Please set the JAVA_HOME variable in your environment to match the >&2
      echo location of your Java installation. >&2
      echo.
      goto error
      :OkJHome
      if exist "%JAVA_HOME%\bin\java.exe" goto init
      echo.
      echo Error: JAVA_HOME is set to an invalid directory. >&2
      echo JAVA_HOME = "%JAVA_HOME%" >&2
      echo Please set the JAVA_HOME variable in your environment to match the >&2
      echo location of your Java installation. >&2
      echo.
      goto error
      @REM ==== END VALIDATION ====
      :init
      @REM Find the project base dir, i.e. the directory that contains the folder ".mvn".
      @REM Fallback to current working directory if not found.
      set MAVEN_PROJECTBASEDIR=%MAVEN_BASEDIR%
      IF NOT "%MAVEN_PROJECTBASEDIR%"=="" goto endDetectBaseDir
      set EXEC_DIR=%CD%
      set WDIR=%EXEC_DIR%
      :findBaseDir
      IF EXIST "%WDIR%"\.mvn goto baseDirFound
      cd ..
      IF "%WDIR%"=="%CD%" goto baseDirNotFound
      set WDIR=%CD%
      goto findBaseDir
      :baseDirFound
      set MAVEN_PROJECTBASEDIR=%WDIR%
      cd "%EXEC_DIR%"
      goto endDetectBaseDir
      :baseDirNotFound
      set MAVEN_PROJECTBASEDIR=%EXEC_DIR%
      cd "%EXEC_DIR%"
      :endDetectBaseDir
      IF NOT EXIST "%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config" goto endReadAdditionalConfig
      @setlocal EnableExtensions EnableDelayedExpansion
      for /F "usebackq delims=" %%a in ("%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config") do set JVM_CONFIG_MAVEN_PROPS=!JVM_CONFIG_MAVEN_PROPS! %%a
      @endlocal & set JVM_CONFIG_MAVEN_PROPS=%JVM_CONFIG_MAVEN_PROPS%
      :endReadAdditionalConfig
      SET MAVEN_JAVA_EXE="%JAVA_HOME%\bin\java.exe"
      set WRAPPER_JAR="%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.jar"
      set WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
      set DOWNLOAD_URL="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar"
      FOR /F "tokens=1,2 delims==" %%A IN ("%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.properties") DO (
      IF "%%A"=="wrapperUrl" SET DOWNLOAD_URL=%%B
      )
      @REM Extension to allow automatically downloading the maven-wrapper.jar from Maven-central
      @REM This allows using the maven wrapper in projects that prohibit checking in binary data.
      if exist %WRAPPER_JAR% (
      if "%MVNW_VERBOSE%" == "true" (
      echo Found %WRAPPER_JAR%
      )
      ) else (
      if not "%MVNW_REPOURL%" == "" (
      SET DOWNLOAD_URL="%MVNW_REPOURL%/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar"
      )
      if "%MVNW_VERBOSE%" == "true" (
      echo Couldn't find %WRAPPER_JAR%, downloading it ...
      echo Downloading from: %DOWNLOAD_URL%
      )
      powershell -Command "&{"^
      "$webclient = new-object System.Net.WebClient;"^
      "if (-not ([string]::IsNullOrEmpty('%MVNW_USERNAME%') -and [string]::IsNullOrEmpty('%MVNW_PASSWORD%'))) {"^
      "$webclient.Credentials = new-object System.Net.NetworkCredential('%MVNW_USERNAME%', '%MVNW_PASSWORD%');"^
      "}"^
      "[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; $webclient.DownloadFile('%DOWNLOAD_URL%', '%WRAPPER_JAR%')"^
      "}"
      if "%MVNW_VERBOSE%" == "true" (
      echo Finished downloading %WRAPPER_JAR%
      )
      )
      @REM End of extension
      @REM Provide a "standardized" way to retrieve the CLI args that will
      @REM work with both Windows and non-Windows executions.
      set MAVEN_CMD_LINE_ARGS=%*
      %MAVEN_JAVA_EXE% %JVM_CONFIG_MAVEN_PROPS% %MAVEN_OPTS% %MAVEN_DEBUG_OPTS% -classpath %WRAPPER_JAR% "-Dmaven.multiModuleProjectDirectory=%MAVEN_PROJECTBASEDIR%" %WRAPPER_LAUNCHER% %MAVEN_CONFIG% %*
      if ERRORLEVEL 1 goto error
      goto end
      :error
      set ERROR_CODE=1
      :end
      @endlocal & set ERROR_CODE=%ERROR_CODE%
      if not "%MAVEN_SKIP_RC%" == "" goto skipRcPost
      @REM check for post script, once with legacy .bat ending and once with .cmd ending
      if exist "%HOME%\mavenrc_post.bat" call "%HOME%\mavenrc_post.bat"
      if exist "%HOME%\mavenrc_post.cmd" call "%HOME%\mavenrc_post.cmd"
      :skipRcPost
      @REM pause the script if MAVEN_BATCH_PAUSE is set to 'on'
      if "%MAVEN_BATCH_PAUSE%" == "on" pause
      if "%MAVEN_TERMINATE_CMD%" == "on" exit %ERROR_CODE%
      exit /B %ERROR_CODE%
      multidatasource/pom.xml 0 → 100644
      浏览文件 @ 4a33c26c
      <?xml version="1.0" encoding="UTF-8"?>
      <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
      xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
      <modelVersion>4.0.0</modelVersion>
      <groupId>com.lnb</groupId>
      <artifactId>multidatasource</artifactId>
      <version>1.0.1-SNAPSHOT</version>
      <name>multidatasource</name>
      <description>multidatasource</description>
      <properties>
      <java.version>1.8</java.version>
      </properties>
      <dependencies>
      <!-- mysql-->
      <dependency>
      <groupId>mysql</groupId>
      <artifactId>mysql-connector-java</artifactId>
      <version>8.0.21</version>
      <scope>runtime</scope>
      </dependency>
      <!--德鲁伊数据库连接池-->
      <dependency>
      <groupId>com.alibaba</groupId>
      <artifactId>druid-spring-boot-starter</artifactId>
      <version>1.1.10</version>
      </dependency>
      <dependency>
      <groupId>org.projectlombok</groupId>
      <artifactId>lombok</artifactId>
      <version>1.18.12</version>
      <optional>true</optional>
      </dependency>
      <dependency>
      <groupId>org.apache.commons</groupId>
      <artifactId>commons-lang3</artifactId>
      <version>3.8.1</version>
      </dependency>
      <dependency>
      <groupId>org.apache.curator</groupId>
      <artifactId>curator-recipes</artifactId>
      <version>2.7.0</version>
      </dependency>
      <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-jdbc</artifactId>
      <version>4.1.4.RELEASE</version>
      </dependency>
      <dependency>
      <groupId>com.fasterxml.jackson.datatype</groupId>
      <artifactId>jackson-datatype-joda</artifactId>
      <version>2.3.2</version>
      </dependency>
      </dependencies>
      <build>
      <plugins>
      <plugin>
      <groupId>org.apache.maven.plugins</groupId>
      <artifactId>maven-compiler-plugin</artifactId>
      <version>3.5</version>
      <configuration>
      <source>8</source>
      <target>8</target>
      </configuration>
      </plugin>
      </plugins>
      </build>
      </project>
      multidatasource/src/main/java/com/lnb/multidatasourcedemo/constant/Constant.java 0 → 100644
      浏览文件 @ 4a33c26c
      package com.lnb.multidatasourcedemo.constant;
      import org.apache.commons.lang3.StringUtils;
      /**
      * 常量配置
      * created by liaoningbo on 2021/11/24
      */
      public class Constant {
      /*path分隔符*/
      public static final String PATH_SPLIT = "/";
      public static final String DBCONFIG_ROOT = "/dynamicDataSource/dbconfig";
      public static final String READ = "slave";
      public static final String WARITE = "master";
      public static final String DRIVER_CLASS_NAME = "com.mysql.cj.jdbc.Driver";
      public static String getAppDB(String appName) {
      if (StringUtils.isEmpty(appName))
      return DBCONFIG_ROOT;
      return DBCONFIG_ROOT + PATH_SPLIT + appName;
      }
      }
      multidatasource/src/main/java/com/lnb/multidatasourcedemo/curator/CuratorClient.java 0 → 100644
      浏览文件 @ 4a33c26c
      package com.lnb.multidatasourcedemo.curator;
      import com.google.common.collect.Maps;
      import com.lnb.multidatasourcedemo.constant.Constant;
      import com.lnb.multidatasourcedemo.datasource.DynamicDataSource;
      import com.lnb.multidatasourcedemo.listener.AppListener;
      import com.lnb.multidatasourcedemo.listener.DbconfigListener;
      import com.lnb.multidatasourcedemo.listener.RoutingKeyListener;
      import com.lnb.multidatasourcedemo.listener.ZKConnectionStateListener;
      import lombok.extern.slf4j.Slf4j;
      import org.apache.commons.lang3.StringUtils;
      import org.apache.curator.framework.CuratorFramework;
      import org.apache.curator.framework.CuratorFrameworkFactory;
      import org.apache.curator.framework.recipes.cache.PathChildrenCache;
      import org.apache.curator.retry.RetryUntilElapsed;
      import org.springframework.beans.factory.annotation.Autowired;
      import org.springframework.stereotype.Component;
      import javax.annotation.PostConstruct;
      import java.util.HashSet;
      import java.util.List;
      import java.util.Map;
      import java.util.Set;
      /**
      * zookeeper客户端配置
      * created by liaoningbo on 2021/11/24
      */
      @Component
      @Slf4j
      public class CuratorClient {
      @Autowired
      public ZkProperties zkProperties;
      private CuratorFramework curator;
      // 指定连接超时和session超时，时间为100秒
      private final int CONNECT_TIMEOUT = 100000;
      private final int RETRY_TIME = Integer.MAX_VALUE;
      // 指定重连间隔为6分钟
      private final int RETRY_INTERVAL = 360000;
      // 监听器列表
      public Map<String, PathChildrenCache> listenerList = Maps.newConcurrentMap();
      @PostConstruct
      public void initCuratorClient() {
      // 基础参数校验
      if (!zkProperties.validateProperties())
      throw new IllegalStateException("Properties config error!");
      String zkServers = zkProperties.getZkServer();
      if (curator == null) {
      curator = newCurator(zkServers);
      }
      }
      private CuratorFramework newCurator(String zkServers) {
      CuratorFramework client = CuratorFrameworkFactory.builder().connectString(zkServers)
      // 指定最大超时时间和重连时间间隔,直到成功为止
      .retryPolicy(new RetryUntilElapsed(RETRY_TIME, RETRY_INTERVAL)).connectionTimeoutMs(CONNECT_TIMEOUT)
      .sessionTimeoutMs(CONNECT_TIMEOUT).build();
      client.start();
      return client;
      }
      /**
      * 注册/dynamicDataSource/dbconfig这一级监听器，用于监听App的增加、删除
      * @param dynamicDataSource
      */
      public void registerAppListenter(DynamicDataSource dynamicDataSource) throws Exception {
      if (!listenerList.containsKey(Constant.DBCONFIG_ROOT)) {
      log.info("Register app Listener start");
      //创建监听
      PathChildrenCache childrenCache = new PathChildrenCache(curator, Constant.DBCONFIG_ROOT, false);
      AppListener appListener = new AppListener(dynamicDataSource, this);
      childrenCache.getListenable().addListener(appListener);
      childrenCache.start(PathChildrenCache.StartMode.BUILD_INITIAL_CACHE);
      //添加到监听列表
      listenerList.put(Constant.DBCONFIG_ROOT, childrenCache);
      log.info("Register app Listener finished successfully");
      } else
      log.info("The listener already exist! path:[" + Constant.DBCONFIG_ROOT + "].");
      }
      /**
      * 注册/dynamicDataSource/dbconfig/xxx(appname)这一级监听器，用于监听数据库实例的增加、删除
      */
      public void registerDbconfigListenter(DynamicDataSource dynamicDataSource, String app) throws Exception {
      Set<String> apps = new HashSet<>();
      if (StringUtils.isBlank(app)) {
      apps.addAll(zkProperties.getAppName());
      } else {
      apps.add(app);
      }
      for (String appName : apps) {
      if (StringUtils.isNotBlank(appName)) {
      String appDB = Constant.getAppDB(appName);
      if (!listenerList.containsKey(appDB)) {
      log.info("Registering app DB:{} Listener", appDB);
      //创建监听
      PathChildrenCache childrenCache = new PathChildrenCache(curator, appDB, false);
      DbconfigListener dbconfigListener = new DbconfigListener(dynamicDataSource, this);
      childrenCache.getListenable().addListener(dbconfigListener);
      childrenCache.start(PathChildrenCache.StartMode.BUILD_INITIAL_CACHE);
      //添加到监听列表
      listenerList.put(appDB, childrenCache);
      log.info("Register app DB:{} Listener finished successfully", appDB);
      } else
      log.info("The listener already exist! path:[" + appDB + "].");
      }
      }
      }
      /**
      * 注册/dynamicDataSource/dbconfig/xxx(appname)/xxx这一级监听器，用于监听数据库routingKey的增加、删除
      */
      public void registerRoutingKeyListenter(DynamicDataSource dynamicDataSource, String path, String app)
      throws Exception {
      Set<String> apps = new HashSet<>();
      if (StringUtils.isBlank(app)) {
      apps.addAll(zkProperties.getAppName());
      } else {
      apps.add(app);
      }
      for (String appName : apps) {
      if (StringUtils.isNotBlank(appName)) {
      path = Constant.getAppDB(appName) + Constant.PATH_SPLIT + path;
      if (!listenerList.containsKey(path)) {
      log.info("Registering routingKey Listener path:{}", path);
      //创建监听
      PathChildrenCache childrenCache = new PathChildrenCache(curator, path, false);
      childrenCache.start(PathChildrenCache.StartMode.POST_INITIALIZED_EVENT);
      RoutingKeyListener routingKeyListener = new RoutingKeyListener(dynamicDataSource, this);
      childrenCache.getListenable().addListener(routingKeyListener);
      //添加到监听列表
      listenerList.putIfAbsent(path, childrenCache);
      log.info("Register routingKey Listener finished successfully path:{}", path);
      } else
      log.info("The listener already exist! path:[" + path + "].");
      }
      }
      }
      /**
      * 监听与ZK的连接状态
      */
      public void registerZKstateListenter(DynamicDataSource dynamicDataSource) throws Exception {
      curator.getConnectionStateListenable()
      .addListener(new ZKConnectionStateListener(dynamicDataSource, this, zkProperties));
      log.info("Register ZKstateListenter successfully!");
      }
      /**
      * 根据path获取值
      * @param path
      * @return
      * @throws Exception
      */
      public String read(String path) throws Exception {
      if (curator.checkExists().forPath(path) == null) {
      log.debug("path [{}] is not exists,return null", path);
      throw new IllegalArgumentException("Path:" + path + " content is empty, error!");
      } else {
      log.debug("read from zookeeper,path=" + path);
      byte[] b = curator.getData().forPath(path);
      String value = new String(b, "utf-8");
      return value;
      }
      }
      public List<String> getChildren(String path) throws Exception {
      //检查路径是否存在
      if (curator.checkExists().forPath(path) == null) {
      log.debug("path [{}] is not exists,return null", path);
      return null;
      } else {
      List<String> children = curator.getChildren().forPath(path);
      return children;
      }
      }
      public List<String> getDBconfig(String appName) throws Exception {
      List<String> result;
      result = getChildren(Constant.getAppDB(appName));
      if (result.size() == 0 || result == null)
      throw new IllegalStateException(appName + " Dbconfig is empty!");
      return result;
      }
      /**
      * 获取路径
      * @param paths
      * @return
      * @throws Exception
      */
      public String readWithPath(String... paths) throws Exception {
      if (paths.length == 0)
      return null;
      String path = null;
      for (String temp : paths) {
      if (path == null)
      path = Constant.PATH_SPLIT + temp;
      else
      path = path + Constant.PATH_SPLIT + temp;
      }
      path = path.replaceAll("//", "/");
      return read(path);
      }
      }
      multidatasource/src/main/java/com/lnb/multidatasourcedemo/curator/ZkProperties.java 0 → 100644
      浏览文件 @ 4a33c26c
      package com.lnb.multidatasourcedemo.curator;
      import lombok.Data;
      import org.apache.commons.lang3.StringUtils;
      import org.springframework.beans.factory.annotation.Value;
      import org.springframework.boot.context.properties.ConfigurationProperties;
      import org.springframework.stereotype.Component;
      import java.util.Set;
      /**
      * zookeeper配置文件
      * created by liaoningbo on 2021/11/24
      */
      @Data
      @Component
      @ConfigurationProperties(prefix = "spring.common")
      public class ZkProperties {
      /**zk集群地址*/
      @Value("zkServer")
      private String zkServer;
      @Value("appName")
      private Set<String> appName;
      @Value("adminDB")
      private String adminDB;
      @Value("adminUser")
      private String adminUser;
      @Value("adminPwd")
      private String adminPwd;
      /**控制链接主库还是从库，数据库中配置的都是主库的链接信息，true：链接从库，false：链接主库*/
      @Value("readOnly")
      private String readOnly;
      /**链接哪个从库，只有当readOnly为true的时候才需要赋值*/
      @Value("slot")
      private String slot;
      public boolean validateProperties() {
      if (StringUtils.isEmpty(zkServer))
      return false;
      return true;
      }
      }
      multidatasource/src/main/java/com/lnb/multidatasourcedemo/datasource/DbAdapter.java 0 → 100644
      浏览文件 @ 4a33c26c
      package com.lnb.multidatasourcedemo.datasource;
      import com.alibaba.druid.pool.DruidDataSource;
      import com.alibaba.druid.pool.DruidPooledConnection;
      import com.lnb.multidatasourcedemo.constant.Constant;
      import com.lnb.multidatasourcedemo.curator.ZkProperties;
      import com.lnb.multidatasourcedemo.model.DatasourceModel;
      import com.lnb.multidatasourcedemo.model.RoutingKey2DB;
      import lombok.Data;
      import lombok.extern.slf4j.Slf4j;
      import org.apache.commons.lang3.StringUtils;
      import org.springframework.beans.factory.annotation.Autowired;
      import org.springframework.stereotype.Component;
      import javax.annotation.PostConstruct;
      import java.sql.Connection;
      import java.sql.PreparedStatement;
      import java.sql.ResultSet;
      import java.sql.SQLException;
      import java.util.HashMap;
      import java.util.Map;
      import java.util.Set;
      @Component
      @Slf4j
      public class DbAdapter {
      @Autowired
      private ZkProperties properties;
      private DruidDataSource dataSource;
      /* 配置jdbc url */
      public static final String SOCKET = "socketTimeout=";
      /* 配置jdbc socket timeout 60s */
      public static final String TIMEOUT = "60000";
      private Map<String, DbUrl> db_ID = new HashMap<>();
      /**
      * 初始化数据源
      * @param map
      */
      public void initDatasource(Map<String, DruidDataSource> map) {
      log.info("initDatasource start");
      DruidPooledConnection druidConn = null;
      Connection conn = null;
      PreparedStatement preparedStatement = null;
      ResultSet resultSet = null;
      int index = 1;
      //获取配置文件中的appName，然后查询对应的数据库链接信息
      Set<String> appNameSet = properties.getAppName();
      String query = "SELECT dbID, appName, address, port, dbName, username, password FROM tbl_sys_db";
      String condition = " where appName in (";
      String order = " ORDER BY dbID;";
      String queryCombine = createDbQuery(query, condition, order, appNameSet);
      try {
      druidConn = dataSource.getConnection();
      conn = druidConn.getConnection();
      preparedStatement = conn.prepareStatement(queryCombine);
      for (String appName : appNameSet) {
      preparedStatement.setString(index, appName);
      index++;
      }
      resultSet = preparedStatement.executeQuery();
      DbUrl dbUrl;
      while (resultSet.next()) {
      String dbID = resultSet.getString("dbID");
      String address = resultSet.getString("address");
      String port = resultSet.getString("port");
      String username = resultSet.getString("username");
      String password = resultSet.getString("password");
      String dbName = resultSet.getString("dbName");
      String url = address + ":" + port;
      DatasourceModel datasourceModel = new DatasourceModel();
      datasourceModel.setUrl(url);
      datasourceModel.setCommonDB("?useUnicode=true&characterEncoding=utf8&allowMultiQueries=true&rewriteBatchedStatements=true");
      datasourceModel.setUrlPrefix("jdbc:mysql://");
      datasourceModel.setUsername(username);
      datasourceModel.setPwd(password);
      putDataSource(map, datasourceModel, properties);
      //把appName和数据库连接地址的关系存起来，处理routingKeys的时候获取他两之间的关系
      dbUrl = new DbUrl();
      dbUrl.setDbName(dbName);
      dbUrl.setUrl(url);
      db_ID.put(dbID, dbUrl);
      }
      log.info("initDatasource finished successfully");
      } catch (SQLException e) {
      log.error("read tbl_sys_db hit error!", e);
      } finally {
      close(druidConn, conn, preparedStatement, resultSet);
      }
      }
      /**
      * 关闭数据库连接
      * @param druidConn
      * @param conn
      * @param statement
      * @param resultSet
      */
      private void close(DruidPooledConnection druidConn, Connection conn, PreparedStatement statement, ResultSet resultSet) {
      try {
      if (resultSet != null)
      resultSet.close();
      if (statement != null)
      statement.close();
      if (conn != null)
      conn.close();
      if (druidConn != null)
      druidConn.close();
      } catch (SQLException e) {
      log.error("close datasource resource hit error!", e);
      }
      }
      /**
      * 给数据源的map中赋值
      *
      * @param dsMap
      * @param newDs
      * @param properties
      */
      public static void putDataSource(Map<String, DruidDataSource> dsMap, DatasourceModel newDs, ZkProperties properties) {
      if (dsMap != null) {
      if (dsMap.isEmpty() || !dsMap.containsKey(newDs.getUrl())) {
      DruidDataSource dataSource = DynamicDataSource.buildDatasource(newDs, properties);
      dsMap.put(newDs.getUrl(), dataSource);
      } else {
      if (!compareDs(dsMap.get(newDs.getUrl()), newDs, properties)) {
      DruidDataSource newItem = DynamicDataSource.buildDatasource(newDs, properties);
      dsMap.get(newDs.getUrl()).close();
      dsMap.remove(newDs.getUrl());
      dsMap.put(newDs.getUrl(), newItem);
      log.info("=======CAS new ds, close and remove old ds:{}========", newDs.getUrl());
      }
      }
      }
      }
      /**
      * 比较数据源是否一致
      * @param oldDs
      * @param newDs
      * @param properties
      * @return
      */
      public static boolean compareDs(DruidDataSource oldDs, DatasourceModel newDs, ZkProperties properties) {
      if (oldDs == null && newDs != null)
      return false;
      if (oldDs != null && newDs != null) {
      if (!oldDs.getUsername().equals(newDs.getUsername()))
      return false;
      if (!oldDs.getPassword().equals(newDs.getPwd()))
      return false;
      String url = DynamicDataSource.makeDsUrl(newDs, properties);
      if (!oldDs.getUrl().equals(url))
      return false;
      }
      return true;
      }
      /**
      * 组装查询条件
      * @param query
      * @param condition
      * @param order
      * @param appNameSet
      * @return
      */
      private static String createDbQuery(String query, String condition, String order, Set<String> appNameSet) {
      StringBuilder queryBuilder = new StringBuilder(query);
      if (!appNameSet.isEmpty()) {
      queryBuilder.append(condition);
      for (int i = 0; i < appNameSet.size(); i++) {
      queryBuilder.append(" ?");
      if (i != appNameSet.size() - 1)
      queryBuilder.append(",");
      }
      queryBuilder.append(")");
      }
      queryBuilder.append(order);
      return queryBuilder.toString();
      }
      /**
      * 对JDBC url进行增强
      * @param url
      * @return
      */
      public static String makeJdbcUrl(String url) {
      if (StringUtils.isNotBlank(url)) {
      if (!url.contains(SOCKET)) {
      String s = "";
      if (url.contains("?")) {
      s = "&";
      } else {
      s = "?";
      }
      url += s + SOCKET + TIMEOUT;
      }
      }
      return url;
      }
      /**
      * 初始化routingKeys
      * @param routingKeys
      */
      public void initRouting(Map<String, RoutingKey2DB> routingKeys) {
      log.info("initRouting start");
      DruidPooledConnection druidConn = null;
      Connection conn = null;
      PreparedStatement preparedStatement = null;
      ResultSet resultSet = null;
      int index = 1;
      //从数据库中查询路由关系
      Set<String> appNameSet = properties.getAppName();
      String query = "SELECT tbl_sys_db.dbID as dbID, tbl_sys_db.appName as dbAppName, tbl_sys_db_route.routeKey as routeKey "
      + "FROM tbl_sys_db JOIN tbl_sys_db_route ON tbl_sys_db.dbID=tbl_sys_db_route.dbID "
      + "AND tbl_sys_db_route.action != 2";
      String condition = " AND tbl_sys_db.appName in (";
      String order = " ORDER BY tbl_sys_db.dbID, tbl_sys_db_route.routeKey;";
      String queryCombine = createDbQuery(query, condition, order, appNameSet);
      try {
      druidConn = dataSource.getConnection();
      conn = druidConn.getConnection();
      preparedStatement = conn.prepareStatement(queryCombine);
      for (String appName : appNameSet) {
      preparedStatement.setString(index, appName);
      index++;
      }
      resultSet = preparedStatement.executeQuery();
      RoutingKey2DB routingKey2DB;
      while (resultSet.next()) {
      String dbID = resultSet.getString("dbID");
      String routeKey = resultSet.getString("routeKey");
      String dbAppName = resultSet.getString("dbAppName");
      //给routingKeys中赋值
      DbUrl dbUrl = db_ID.get(dbID);
      routingKey2DB = new RoutingKey2DB(dbUrl.getUrl(), dbUrl.getDbName());
      routingKeys.put(dbAppName + "-tenantID-" + routeKey, routingKey2DB);
      }
      log.info("initRouting finished successfully");
      } catch (SQLException e) {
      log.error("read routing key hit error!", e);
      } finally {
      close(druidConn, conn, preparedStatement, resultSet);
      }
      }
      /**
      * 启动的时候初始化数据库连接
      */
      @PostConstruct
      public void init() {
      dataSource = new DruidDataSource();
      dataSource.setDriverClassName(Constant.DRIVER_CLASS_NAME);
      dataSource.setUsername(properties.getAdminUser());
      dataSource.setPassword(properties.getAdminPwd());
      dataSource.setUrl(makeJdbcUrl(properties.getAdminDB()));
      dataSource.setInitialSize(2);
      dataSource.setMinIdle(1);
      dataSource.setMaxActive(5);
      dataSource.setMaxWait(120000);
      dataSource.setValidationQuery("SELECT 1");
      // 设置检测空闲最大时长
      dataSource.setTimeBetweenEvictionRunsMillis(60000);
      // 空闲时间超过上值时长,测试该连接是否可用
      dataSource.setTestWhileIdle(true);
      // 长时间空闲连接回收
      dataSource.setRemoveAbandoned(true);
      // 设置超过5分钟未使用的连接强制关闭
      dataSource.setRemoveAbandonedTimeout(300);
      // 在取出连接时检查connection的可用性，可保证连接的绝对可用性，如不可用则换其他connection，但是较影响性能
      dataSource.setTestOnBorrow(true);
      }
      }
      @Data
      class DbUrl {
      private String url;
      private String dbName;
      }
      multidatasource/src/main/java/com/lnb/multidatasourcedemo/datasource/DynamicDataSource.java 0 → 100644
      浏览文件 @ 4a33c26c
      package com.lnb.multidatasourcedemo.datasource;
      import com.alibaba.druid.pool.DruidDataSource;
      import com.google.common.collect.Lists;
      import com.lnb.multidatasourcedemo.constant.Constant;
      import com.lnb.multidatasourcedemo.curator.CuratorClient;
      import com.lnb.multidatasourcedemo.curator.ZkProperties;
      import com.lnb.multidatasourcedemo.exception.MultiDatasourceException;
      import com.lnb.multidatasourcedemo.holder.DataSourceContextHolder;
      import com.lnb.multidatasourcedemo.model.DatasourceModel;
      import com.lnb.multidatasourcedemo.model.RoutingKey2DB;
      import lombok.Data;
      import lombok.extern.slf4j.Slf4j;
      import org.apache.commons.lang3.StringUtils;
      import org.springframework.beans.factory.annotation.Autowired;
      import org.springframework.context.annotation.Primary;
      import org.springframework.jdbc.datasource.AbstractDataSource;
      import org.springframework.stereotype.Component;
      import javax.annotation.PostConstruct;
      import javax.sql.DataSource;
      import java.sql.Connection;
      import java.sql.SQLException;
      import java.util.Iterator;
      import java.util.List;
      import java.util.Map;
      import java.util.Set;
      import java.util.concurrent.ConcurrentHashMap;
      import java.util.concurrent.CountDownLatch;
      @Slf4j
      @Primary
      @Component
      public class DynamicDataSource extends AbstractDataSource {
      @Autowired
      private DbAdapter dbAdapter;
      @Autowired
      private CuratorClient curatorClient;
      @Autowired
      private ZkProperties zkProperties;
      private static Map<String, RoutingKey2DB> routingKeys = new ConcurrentHashMap<>();
      private static Map<String, DruidDataSource> dataSources = new ConcurrentHashMap<>();
      private static Object monitorDataSource = new Object();
      /**
      * 启动时路由加载主流程
      */
      @PostConstruct
      public void initDynamicDataSource() {
      try {
      // 初始化数据源，结构是：{url, 数据库连接信息}
      dbAdapter.initDatasource(dataSources);
      //初始化routingkeys，结构是：{租户ID， url}
      dbAdapter.initRouting(routingKeys);
      // 通过读ZK节点添加监听器
      initListener(true);
      log.info("init Dynamic DataSource done!");
      } catch (Exception e) {
      log.error("Init zookeeper error!", e);
      throw new IllegalStateException("Init zookeeper error!");
      }
      }
      /**
      * 通过读ZK节点添加监听器
      */
      public void initListener(boolean isInit) throws Exception {
      log.info("init all zookeeper node Listener start!");
      //监听
      curatorClient.registerAppListenter(this);
      List<AppEntity> allAppDbLists = Lists.newArrayList();
      //获取/dynamicDataSource/dbconfig节点下的所有子节点
      List<String> apps = curatorClient.getChildren(Constant.DBCONFIG_ROOT);
      for (String appName : apps) {
      if (checkAppName(appName, zkProperties.getAppName())) {
      // 获取所有数据库实例
      List<String> dbs = curatorClient.getDBconfig(appName);
      for (String db : dbs) {
      AppEntity appEntity = new AppEntity(appName, db);
      allAppDbLists.add(appEntity);
      }
      curatorClient.registerDbconfigListenter(this, appName);
      }
      }
      log.info("register RoutingKey Listener start");
      int allAppDbListSize = allAppDbLists.size();
      CountDownLatch countDownLatch = new CountDownLatch(allAppDbListSize);
      for (AppEntity appDb : allAppDbLists) {
      Thread thread = new Thread(new Participant(curatorClient, this, appDb.getDbName(), appDb.getAppName(), countDownLatch));
      thread.start();
      }
      countDownLatch.await();
      log.info("register RoutingKey Listener finished successfully");
      if (isInit) {
      curatorClient.registerZKstateListenter(this);
      }
      log.info("init all zookeeper node Listener finished successfully!");
      }
      /**
      * 只订阅properties配置的appName,不配则订阅全部
      *
      * @param name zk上DBCONFIG_ROOT下的appName
      * @return
      */
      public static boolean checkAppName(String name, Set<String> setting) {
      boolean r = true;
      if (StringUtils.isBlank(name)) {
      r = false;
      } else {
      if (setting != null && !setting.isEmpty() && !setting.contains(name)) {
      r = false;
      }
      }
      return r;
      }
      /**
      * 最终执行查询时连接数据库
      * @return
      * @throws SQLException
      */
      @Override
      public Connection getConnection() throws SQLException {
      DataSource dataSource;
      String dbName;
      log.debug("start to get connection.......");
      String dataSourceType = DataSourceContextHolder.getDataSourceType();
      log.debug("Current datasource type is [" + dataSourceType + "]");
      if (StringUtils.isBlank(dataSourceType)) {
      throw new MultiDatasourceException("Please set datasource type first!");
      }
      if (!routingKeys.containsKey(dataSourceType)) {
      throw new MultiDatasourceException("Datasource type is error! key:" + dataSourceType);
      }
      RoutingKey2DB key = routingKeys.get(dataSourceType);
      dbName = key.getDatabaseName();
      dataSource = dataSources.get(key.getUrl());
      if (dataSource == null)
      throw new MultiDatasourceException("Local key " + dataSourceType + " not exist!");
      Connection connection = dataSource.getConnection();
      // 切换数据库实例下实际DB名称
      connection.setCatalog(dbName);
      log.debug("end to get connection!");
      return connection;
      }
      @Override
      public Connection getConnection(String username, String password) throws SQLException {
      throw new UnsupportedOperationException("Could not get datasource by username!");
      }
      /**
      * 创建一个数据源
      * @param dataSourceModel
      * @param properties
      * @return
      */
      public static DruidDataSource buildDatasource(DatasourceModel dataSourceModel, ZkProperties properties) {
      DruidDataSource ds = new DruidDataSource();
      if (!dataSourceModel.validateDatasourceModel()) {
      log.error("dataSourceModel is not valid:{}", dataSourceModel);
      throw new MultiDatasourceException("Datasource config has empty value! Please check again.");
      }
      // 取设置的默认值
      ds.setDriverClassName(Constant.DRIVER_CLASS_NAME);
      ds.setUsername(dataSourceModel.getUsername());
      //根据配置判断连接从库还是主库，得到最终的连接url
      String url = makeDsUrl(dataSourceModel, properties);
      log.info("build datasource ! url:{}", url);
      ds.setUrl(url);
      ds.setPassword(dataSourceModel.getPwd());
      ds.setInitialSize(
      dataSourceModel.getInitialSize() != null ? Integer.valueOf(dataSourceModel.getInitialSize()) : 5);
      ds.setMaxActive(dataSourceModel.getMaxActive() != null ? Integer.valueOf(dataSourceModel.getMaxActive()) : 80);
      ds.setMinIdle(dataSourceModel.getMinIdle() != null ? Integer.valueOf(dataSourceModel.getMinIdle()) : 10);
      // 配置从连接池获取连接等待超时的时间
      ds.setMaxWait(dataSourceModel.getMaxWait() != null ? Integer.valueOf(dataSourceModel.getMaxWait()) : 10000);
      ds.setValidationQuery(
      (dataSourceModel.getValidationQuery() != null && !"".equals(dataSourceModel.getValidationQuery()))
      ? dataSourceModel.getValidationQuery() : "SELECT 1");
      ds.setValidationQueryTimeout(1000);
      // 配置一个连接在池中最大空闲时间，单位是毫秒
      ds.setMinEvictableIdleTimeMillis(60000);
      // 设置检测空闲最大时长
      // 配置间隔多久启动一次 DestroyThread，对连接池内的连接才进行一次检测，单位是毫秒。
      // 检测时:
      // 1.如果连接空闲并且超过minIdle以外的连接，如果空闲时间超过minEvictableIdleTimeMillis设置的值则直接物理关闭。
      // 2.在minIdle以内的不处理。
      ds.setTimeBetweenEvictionRunsMillis(60000);
      // 空闲时间超过上值时长,测试该连接是否可用
      // 设置从连接池获取连接时是否检查连接有效性，true 时，如果连接空闲时间超过 minEvictableIdleTimeMillis 进行检查，否则不检查; false时，不检查
      ds.setTestWhileIdle(true);
      // 长时间空闲连接回收
      ds.setRemoveAbandoned(true);
      // 设置超过多长时间未使用的连接强制关闭,秒
      ds.setRemoveAbandonedTimeout(150);
      // 关闭abanded连接时输出错误日志，这样出现连接泄露时可以通过错误日志定位忘记关闭连接的位置
      ds.setLogAbandoned(true);
      // 在取出连接时检查connection的可用性，可保证连接的绝对可用性，如不可用则换其他connection，但是较影响性能
      ds.setTestOnBorrow(true);
      // 设置往连接池归还连接时是否检查连接有效性，true 时，每次都检查；false 时，不检查
      ds.setTestOnReturn(false);
      // 打开后，增强timeBetweenEvictionRunsMillis的周期性连接检查，minIdle内的空闲连接，每次检查强制验证连接有效性.
      // 参考：https://github.com/alibaba/druid/wiki/KeepAlive_cn
      // ds.setKeepAlive(true);
      return ds;
      }
      /**
      * 主从切换
      * @param dataSourceModel
      * @param properties
      * @return
      */
      public static String makeDsUrl(DatasourceModel dataSourceModel, ZkProperties properties) {
      String url;
      if (!StringUtils.isBlank(properties.getReadOnly()) && "true".equalsIgnoreCase(properties.getReadOnly()))
      url = dataSourceModel.getUrl().replace(Constant.WARITE,
      Constant.READ + (StringUtils.isBlank(properties.getSlot()) ? "" : properties.getSlot()));
      else
      url = dataSourceModel.getUrl();
      url = DbAdapter.makeJdbcUrl(dataSourceModel.getUrlPrefix() + url + dataSourceModel.getCommonDB());
      return url;
      }
      static class Participant implements Runnable {
      private DynamicDataSource dynamicDataSource;
      private String dbName;
      private String appName;
      private CuratorClient curatorClient;
      private CountDownLatch countDownLatch;
      public Participant(CuratorClient curatorClient, DynamicDataSource dynamicDataSource, String dbName, String appName, CountDownLatch countDownLatch) {
      this.dynamicDataSource = dynamicDataSource;
      this.curatorClient = curatorClient;
      this.dbName = dbName;
      this.appName = appName;
      this.countDownLatch = countDownLatch;
      }
      public void run() {
      try {
      curatorClient.registerRoutingKeyListenter(dynamicDataSource, dbName, appName);
      } catch (Exception e) {
      e.printStackTrace();
      } finally {
      countDownLatch.countDown();
      }
      }
      }
      /**
      * 监听到的数据添加到routingkeys中
      * @param dbUrl
      * @param routingKeyList
      * @param appName
      * @throws Exception
      */
      public void registerRoutingKey(String dbUrl, List<String> routingKeyList, String appName) throws Exception {
      for (String routingKey : routingKeyList) {
      String dbName = curatorClient.readWithPath(Constant.getAppDB(appName), dbUrl, routingKey);
      if (StringUtils.isBlank(dbName))
      return;
      RoutingKey2DB routingKey2DB = new RoutingKey2DB(dbUrl, dbName);
      synchronized (monitorDataSource) {
      routingKeys.put(routingKey, routingKey2DB);
      }
      log.debug("Add routingKey [" + routingKey + "] DB [" + routingKey2DB + "]");
      }
      }
      /**
      * 从routingkeys中删除数据
      * @param routingKey
      */
      public void removeRoutingKey(String routingKey) {
      if (!routingKeys.containsKey(routingKey))
      return;
      synchronized (monitorDataSource) {
      Iterator<Map.Entry<String, RoutingKey2DB>> rs = routingKeys.entrySet().iterator();
      while (rs.hasNext()) {
      Map.Entry<String, RoutingKey2DB> next = rs.next();
      if (routingKey.equalsIgnoreCase(next.getKey())) {
      logger.info("Remove routing key : [" + next.getKey() + "]");
      rs.remove();
      }
      }
      }
      }
      /**
      * 往dataSources中添加数据
      * @param dataSourceModel
      */
      public void registerDataSource(DatasourceModel dataSourceModel) {
      synchronized (monitorDataSource) {
      String key = dataSourceModel.getUrl();
      if (dataSources.containsKey(key)) {
      logger.info("dataSourceKey [" + key + "] have existed ");
      removeDatasource(key);
      }
      DruidDataSource ds = buildDatasource(dataSourceModel, zkProperties);
      dataSources.put(key, ds);
      logger.info("put [" + key + "] datasource [" + ds + "]");
      }
      }
      /**
      * 从datasource中删除数据
      * @param key
      */
      public void removeDatasource(String key) {
      if (!dataSources.containsKey(key))
      return;
      if (zkProperties.getAppName() == null && zkProperties.getAppName().isEmpty()) {
      log.info("listen all appName, don't remove datasource!");
      return;
      }
      synchronized (monitorDataSource) {
      Iterator<Map.Entry<String, DruidDataSource>> ds = dataSources.entrySet().iterator();
      while (ds.hasNext()) {
      Map.Entry<String, DruidDataSource> next = ds.next();
      if (key.equalsIgnoreCase(next.getKey())) {
      logger.info("Remove datasource key : [" + next.getKey() + "]");
      next.getValue().close();
      ds.remove();
      break;
      }
      }
      }
      }
      }
      @Data
      class AppEntity {
      public AppEntity(String appName, String dbName) {
      this.appName = appName;
      this.dbName = dbName;
      }
      private String appName;
      private String dbName;
      }
      multidatasource/src/main/java/com/lnb/multidatasourcedemo/exception/MultiDatasourceException.java 0 → 100644
      浏览文件 @ 4a33c26c
      package com.lnb.multidatasourcedemo.exception;
      /**
      * 异常
      * Created by liaoningbo on 2021.11.24
      */
      public class MultiDatasourceException extends RuntimeException {
      public MultiDatasourceException(String msg) {
      super("MultiDatasourceException : [" + msg + "]");
      }
      }
      multidatasource/src/main/java/com/lnb/multidatasourcedemo/holder/DataSourceContextHolder.java 0 → 100644
      浏览文件 @ 4a33c26c
      package com.lnb.multidatasourcedemo.holder;
      import lombok.extern.slf4j.Slf4j;
      /**
      * 数据源线程上下文对象.
      * Created by liaoningbo on 2021/11/24
      */
      @Slf4j
      public class DataSourceContextHolder {
      private static final ThreadLocal<String> contextHolder = new ThreadLocal<String>();
      public static String getDataSourceType() {
      log.info("Service get datasource currently is : [" + contextHolder.get() + "]");
      return contextHolder.get();
      }
      public static void setDataSourceType(String groupId) {
      contextHolder.set(groupId);
      }
      public static void clearDataSourceType() {
      contextHolder.remove();
      }
      }
      multidatasource/src/main/java/com/lnb/multidatasourcedemo/listener/AppListener.java 0 → 100644
      浏览文件 @ 4a33c26c
      package com.lnb.multidatasourcedemo.listener;
      import com.lnb.multidatasourcedemo.curator.CuratorClient;
      import com.lnb.multidatasourcedemo.datasource.DynamicDataSource;
      import lombok.extern.slf4j.Slf4j;
      import org.apache.curator.framework.CuratorFramework;
      import org.apache.curator.framework.recipes.cache.PathChildrenCacheEvent;
      import org.apache.curator.framework.recipes.cache.PathChildrenCacheListener;
      /**
      * 路由监听
      * Created by liaoningbo on 2021/11/24
      */
      @Slf4j
      public class AppListener implements PathChildrenCacheListener {
      private DynamicDataSource dynamicDataSource;
      private CuratorClient curatorClient;
      public AppListener(DynamicDataSource dynamicDataSource, CuratorClient curatorClient) {
      this.dynamicDataSource = dynamicDataSource;
      this.curatorClient = curatorClient;
      }
      @Override
      public void childEvent(CuratorFramework client, PathChildrenCacheEvent event) throws Exception {
      log.info("AppListener event type : [" + event.getType() + "] ");
      switch (event.getType()) {
      case CHILD_ADDED:
      case CHILD_UPDATED:
      registerApp(event);
      break;
      case CHILD_REMOVED:
      break;
      default:
      break;
      }
      }
      private void registerApp(PathChildrenCacheEvent event) throws Exception {
      String app = getApp(event.getData().getPath());
      //添加节点时内容可能为空，这时注册节点下路径监听器
      if (PathChildrenCacheEvent.Type.CHILD_ADDED.equals(event.getType()))
      curatorClient.registerDbconfigListenter(dynamicDataSource, app);
      }
      private String getApp(String path) {
      return path.substring(path.lastIndexOf("/") + 1, path.length());
      }
      }
      multidatasource/src/main/java/com/lnb/multidatasourcedemo/listener/DbconfigListener.java 0 → 100644
      浏览文件 @ 4a33c26c
      package com.lnb.multidatasourcedemo.listener;
      import com.lnb.multidatasourcedemo.curator.CuratorClient;
      import com.lnb.multidatasourcedemo.datasource.DynamicDataSource;
      import com.lnb.multidatasourcedemo.model.DatasourceModel;
      import com.lnb.multidatasourcedemo.utils.JsonUtil;
      import lombok.extern.slf4j.Slf4j;
      import org.apache.commons.lang3.StringUtils;
      import org.apache.curator.framework.CuratorFramework;
      import org.apache.curator.framework.recipes.cache.PathChildrenCacheEvent;
      import org.apache.curator.framework.recipes.cache.PathChildrenCacheListener;
      /**
      * 数据库配置监听
      * Created by liaoningbo on 2021/11/24
      */
      @Slf4j
      public class DbconfigListener implements PathChildrenCacheListener {
      private DynamicDataSource dynamicDataSource;
      private CuratorClient curatorClient;
      public DbconfigListener(DynamicDataSource dynamicDataSource, CuratorClient curatorClient) {
      this.dynamicDataSource = dynamicDataSource;
      this.curatorClient = curatorClient;
      }
      @Override
      public void childEvent(CuratorFramework client, PathChildrenCacheEvent event) throws Exception {
      log.info("DbconfigListener event type : [" + event.getType() + "] ");
      switch (event.getType()) {
      case CHILD_ADDED:
      case CHILD_UPDATED:
      registerDatasource(event);
      break;
      case CHILD_REMOVED:
      removeDatasource(event);
      break;
      default:
      break;
      }
      }
      private void registerDatasource(PathChildrenCacheEvent event) throws Exception {
      String dbconfig = curatorClient.read(event.getData().getPath());
      //添加节点时内容可能为空，这时注册节点下路径监听器
      if (PathChildrenCacheEvent.Type.CHILD_ADDED.equals(event.getType())) {
      curatorClient.registerRoutingKeyListenter(dynamicDataSource, getDB(event.getData().getPath()), getApp(event.getData().getPath()));
      }
      if (StringUtils.isBlank(dbconfig)) {
      return;
      }
      DatasourceModel datasourceModel = JsonUtil.json2object(dbconfig, DatasourceModel.class);
      dynamicDataSource.registerDataSource(datasourceModel);
      }
      private void removeDatasource(PathChildrenCacheEvent event) throws Exception {
      String path = event.getData().getPath();
      String key = getDB(path);
      dynamicDataSource.removeDatasource(key);
      }
      private String getDB(String path) {
      return path.substring(path.lastIndexOf("/") + 1, path.length());
      }
      private String getApp(String path) {
      String[] splits = path.split("/");
      if (splits.length >= 4)
      return splits[3];
      return "";
      }
      }
      multidatasource/src/main/java/com/lnb/multidatasourcedemo/listener/RoutingKeyListener.java 0 → 100644
      浏览文件 @ 4a33c26c
      package com.lnb.multidatasourcedemo.listener;
      import com.lnb.multidatasourcedemo.curator.CuratorClient;
      import com.lnb.multidatasourcedemo.datasource.DynamicDataSource;
      import lombok.extern.slf4j.Slf4j;
      import org.apache.curator.framework.CuratorFramework;
      import org.apache.curator.framework.recipes.cache.ChildData;
      import org.apache.curator.framework.recipes.cache.PathChildrenCacheEvent;
      import org.apache.curator.framework.recipes.cache.PathChildrenCacheListener;
      import java.util.ArrayList;
      import java.util.List;
      /**
      * 路由监听.
      * Created by liaoningbo on 2021/11/24
      */
      @Slf4j
      public class RoutingKeyListener implements PathChildrenCacheListener {
      private DynamicDataSource dynamicDataSource;
      private CuratorClient curatorClient;
      public RoutingKeyListener(DynamicDataSource dynamicDataSource, CuratorClient curatorClient) {
      this.dynamicDataSource = dynamicDataSource;
      this.curatorClient = curatorClient;
      }
      @Override
      public void childEvent(CuratorFramework client, PathChildrenCacheEvent event) throws Exception {
      log.debug("RoutingKeyListener event type : [" + event.getType() + "] ");
      switch (event.getType()) {
      case INITIALIZED:
      List<ChildData> childDataList = event.getInitialData();
      if(childDataList == null || childDataList.isEmpty()){
      break;
      }
      String path = childDataList.get(0).getPath();
      log.info("APP:{} DB:{} RoutingKey count:{} INITIALIZED finished", getApp(path), getDB(path), childDataList.size());
      break;
      case CHILD_ADDED:
      case CHILD_UPDATED:
      registerRouting(event);
      break;
      case CHILD_REMOVED:
      removeRouting(event);
      break;
      default:
      break;
      }
      }
      private void registerRouting(PathChildrenCacheEvent event) throws Exception {
      String path = event.getData().getPath();
      List<String> routingKeyList = new ArrayList<String>();
      routingKeyList.add(getRoutingKey(path));
      dynamicDataSource.registerRoutingKey(getDB(path), routingKeyList, getApp(path));
      }
      private void removeRouting(PathChildrenCacheEvent event) throws Exception {
      String path = event.getData().getPath();
      dynamicDataSource.removeRoutingKey(getRoutingKey(path));
      curatorClient.listenerList.remove(path);
      }
      private String getApp(String path) {
      String[] split = path.split("/");
      if (split.length >= 4) {
      return split[3];
      } else
      throw new IllegalStateException("App url is empty!");
      }
      private String getDB(String path) {
      String[] split = path.split("/");
      if (split.length >= 5) {
      return split[4];
      } else
      throw new IllegalStateException("DB url is empty!");
      }
      private String getRoutingKey(String path) {
      String[] split = path.split("/");
      if (split.length >= 5) {
      return split[5];
      } else
      throw new IllegalStateException("DB routingKey is empty!");
      }
      }
      multidatasource/src/main/java/com/lnb/multidatasourcedemo/listener/ZKConnectionStateListener.java 0 → 100644
      浏览文件 @ 4a33c26c
      package com.lnb.multidatasourcedemo.listener;
      import com.lnb.multidatasourcedemo.curator.CuratorClient;
      import com.lnb.multidatasourcedemo.curator.ZkProperties;
      import com.lnb.multidatasourcedemo.datasource.DynamicDataSource;
      import com.lnb.multidatasourcedemo.utils.CommonUtils;
      import lombok.extern.slf4j.Slf4j;
      import org.apache.curator.framework.CuratorFramework;
      import org.apache.curator.framework.state.ConnectionState;
      import org.apache.curator.framework.state.ConnectionStateListener;
      /**
      * zk链接监听
      * Created by liaoningbo on 2021/11/24
      */
      @Slf4j
      public class ZKConnectionStateListener implements ConnectionStateListener {
      private DynamicDataSource dynamicDataSource;
      private CuratorClient curatorClient;
      private ZkProperties zkProperties;
      public ZKConnectionStateListener(DynamicDataSource dynamicDataSource, CuratorClient curatorClient, ZkProperties zkProperties) {
      this.dynamicDataSource = dynamicDataSource;
      this.curatorClient = curatorClient;
      this.zkProperties = zkProperties;
      }
      @Override
      public void stateChanged(CuratorFramework curatorFramework, ConnectionState connectionState) {
      log.info("ZKConnectionStateListener connectionState : [" + connectionState + "] ");
      if (connectionState == ConnectionState.LOST || connectionState == ConnectionState.SUSPENDED) {
      //连接丢失,报警
      log.warn("Lost session with zookeeper at[" + CommonUtils.getDateByDefault() + "].");
      } else if (connectionState == ConnectionState.CONNECTED) {
      //连接新建
      log.info("Connected with zookeeper");
      } else if (connectionState == ConnectionState.RECONNECTED) {
      log.info("Reconnected with zookeeper， don't care.");
      }
      }
      }
      multidatasource/src/main/java/com/lnb/multidatasourcedemo/model/DatasourceModel.java 0 → 100644
      浏览文件 @ 4a33c26c
      package com.lnb.multidatasourcedemo.model;
      import lombok.Data;
      /**
      * 数据库链接信息实体.
      * Created by liaoningbo on 2021/11/24
      */
      @Data
      public class DatasourceModel {
      private String username;
      private String pwd;
      private String url;
      private String commonDB;
      private String urlPrefix;
      private String initialSize;
      private String maxActive;
      private String minIdle;
      private String maxWait;
      private String testOnBorrow;
      private String testOnReturn;
      private String testWhileIdle;
      private String timeBetweenEvictionRunsMillis;
      private String minEvictableIdleTimeMillis;
      private String removeAbandoned;
      private String removeAbandonedTimeout;
      private String logAbandoned;
      private String validationQuery;
      public boolean validateDatasourceModel() {
      if ("".equals(username) || null == username)
      return false;
      if ("".equals(pwd) || null == pwd)
      return false;
      if ("".equals(url) || null == url)
      return false;
      if ("".equals(commonDB) || null == commonDB)
      return false;
      if ("".equals(urlPrefix) || null == urlPrefix)
      return false;
      return true;
      }
      }
      multidatasource/src/main/java/com/lnb/multidatasourcedemo/model/RoutingKey2DB.java 0 → 100644
      浏览文件 @ 4a33c26c
      package com.lnb.multidatasourcedemo.model;
      import lombok.Data;
      /**
      * 路由实体.
      * Created by liaoningbo on 2021/11/24
      */
      @Data
      public class RoutingKey2DB {
      private String url;
      private String databaseName;
      public RoutingKey2DB(String url, String databaseName) {
      this.url = url;
      this.databaseName = databaseName;
      }
      @Override
      public String toString() {
      StringBuilder buf = new StringBuilder();
      buf.append("{");
      buf.append("\n\turl:");
      buf.append(this.getUrl());
      buf.append(",\n\tdatabaseName:");
      buf.append(this.getDatabaseName());
      buf.append("\n\t}");
      return buf.toString();
      }
      }
      multidatasource/src/main/java/com/lnb/multidatasourcedemo/utils/CommonUtils.java 0 → 100644
      浏览文件 @ 4a33c26c
      package com.lnb.multidatasourcedemo.utils;
      import org.slf4j.Logger;
      import org.slf4j.LoggerFactory;
      import java.io.File;
      import java.net.InetAddress;
      import java.net.URL;
      import java.net.UnknownHostException;
      import java.text.DateFormat;
      import java.text.SimpleDateFormat;
      import java.util.Date;
      /**
      * Created by liaoningbo on 2021/11/24
      */
      public class CommonUtils {
      private static final Logger LOGGER = LoggerFactory.getLogger(CommonUtils.class);
      /**
      * 获取当前日期，默认格式为"yyyy-MM-dd HH:mm:ss"
      */
      public static String getDateByDefault() {
      return getDateByFormat("yyyy-MM-dd HH:mm:ss");
      }
      /**
      * 获取当前日期，按照所传格式
      */
      public static String getDateByFormat(String format) {
      Date date = new Date();
      DateFormat df = new SimpleDateFormat(format);
      String time = df.format(date);
      return time;
      }
      public static String getLocalIP() throws UnknownHostException {
      InetAddress addr = InetAddress.getLocalHost();
      String ip = addr.getHostAddress().toString();//获得本机IP　　
      return ip;
      }
      public static String getAbsolutePath() {
      URL url = CommonUtils.class.getProtectionDomain().getCodeSource().getLocation();
      String filePath = null;
      try {
      filePath = java.net.URLDecoder.decode(url.getPath(), "utf-8");
      } catch (Exception e) {
      e.printStackTrace();
      }
      if (filePath.endsWith(".jar"))
      filePath = filePath.substring(0, filePath.lastIndexOf("/") + 1);
      File file = new File(filePath);
      filePath = file.getAbsolutePath();
      return filePath;
      }
      public static String filterString(String str) {
      return str.replaceAll("//", "/");
      }
      }
      multidatasource/src/main/java/com/lnb/multidatasourcedemo/utils/JsonUtil.java 0 → 100644
      浏览文件 @ 4a33c26c
      package com.lnb.multidatasourcedemo.utils;
      import com.fasterxml.jackson.annotation.JsonInclude;
      import com.fasterxml.jackson.core.JsonProcessingException;
      import com.fasterxml.jackson.databind.DeserializationFeature;
      import com.fasterxml.jackson.databind.JavaType;
      import com.fasterxml.jackson.databind.ObjectMapper;
      import com.fasterxml.jackson.datatype.joda.JodaModule;
      import lombok.extern.slf4j.Slf4j;
      import java.io.IOException;
      @Slf4j
      public class JsonUtil {
      static ObjectMapper objectMapper = new ObjectMapper();
      static {
      objectMapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
      objectMapper.registerModule(new JodaModule());
      }
      @SuppressWarnings({"unchecked", "rawtypes"})
      public static <T> T json2object(String _json, Class cls) {
      try {
      if (_json == null || _json.equals(""))
      _json = "{}";
      return (T) objectMapper.readValue(_json, cls);
      } catch (IOException e) {
      log.warn("json2object error", e);
      }
      return null;
      }
      public static String object2json(Object obj) {
      try {
      return objectMapper.writeValueAsString(obj);
      } catch (IOException e) {
      log.warn("object2json error", e);
      }
      return null;
      }
      public static String object2jsonWithoutNull(Object obj) {
      String json = "";
      try {
      ObjectMapper mapper = new ObjectMapper();
      mapper.setSerializationInclusion(JsonInclude.Include.NON_NULL);
      json = mapper.writeValueAsString(obj);
      } catch (JsonProcessingException e) {
      e.printStackTrace();
      }
      return json;
      }
      public static JavaType getCollectionType(Class<?> collectionClass, Class<?>... elementClasses) {
      return objectMapper.getTypeFactory().constructParametricType(collectionClass, elementClasses);
      }
      }
      mvnw 0 → 100755
      浏览文件 @ 4a33c26c
      #!/bin/sh
      # ----------------------------------------------------------------------------
      # Licensed to the Apache Software Foundation (ASF) under one
      # or more contributor license agreements. See the NOTICE file
      # distributed with this work for additional information
      # regarding copyright ownership. The ASF licenses this file
      # to you under the Apache License, Version 2.0 (the
      # "License"); you may not use this file except in compliance
      # with the License. You may obtain a copy of the License at
      #
      # https://www.apache.org/licenses/LICENSE-2.0
      #
      # Unless required by applicable law or agreed to in writing,
      # software distributed under the License is distributed on an
      # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
      # KIND, either express or implied. See the License for the
      # specific language governing permissions and limitations
      # under the License.
      # ----------------------------------------------------------------------------
      # ----------------------------------------------------------------------------
      # Maven Start Up Batch script
      #
      # Required ENV vars:
      # ------------------
      # JAVA_HOME - location of a JDK home dir
      #
      # Optional ENV vars
      # -----------------
      # M2_HOME - location of maven2's installed home dir
      # MAVEN_OPTS - parameters passed to the Java VM when running Maven
      # e.g. to debug Maven itself, use
      # set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
      # MAVEN_SKIP_RC - flag to disable loading of mavenrc files
      # ----------------------------------------------------------------------------
      if [ -z "$MAVEN_SKIP_RC" ] ; then
      if [ -f /etc/mavenrc ] ; then
      . /etc/mavenrc
      fi
      if [ -f "$HOME/.mavenrc" ] ; then
      . "$HOME/.mavenrc"
      fi
      fi
      # OS specific support. $var _must_ be set to either true or false.
      cygwin=false;
      darwin=false;
      mingw=false
      case "`uname`" in
      CYGWIN*) cygwin=true ;;
      MINGW*) mingw=true;;
      Darwin*) darwin=true
      # Use /usr/libexec/java_home if available, otherwise fall back to /Library/Java/Home
      # See https://developer.apple.com/library/mac/qa/qa1170/_index.html
      if [ -z "$JAVA_HOME" ]; then
      if [ -x "/usr/libexec/java_home" ]; then
      export JAVA_HOME="`/usr/libexec/java_home`"
      else
      export JAVA_HOME="/Library/Java/Home"
      fi
      fi
      ;;
      esac
      if [ -z "$JAVA_HOME" ] ; then
      if [ -r /etc/gentoo-release ] ; then
      JAVA_HOME=`java-config --jre-home`
      fi
      fi
      if [ -z "$M2_HOME" ] ; then
      ## resolve links - $0 may be a link to maven's home
      PRG="$0"
      # need this for relative symlinks
      while [ -h "$PRG" ] ; do
      ls=`ls -ld "$PRG"`
      link=`expr "$ls" : '.*-> \(.*\)$'`
      if expr "$link" : '/.*' > /dev/null; then
      PRG="$link"
      else
      PRG="`dirname "$PRG"`/$link"
      fi
      done
      saveddir=`pwd`
      M2_HOME=`dirname "$PRG"`/..
      # make it fully qualified
      M2_HOME=`cd "$M2_HOME" && pwd`
      cd "$saveddir"
      # echo Using m2 at $M2_HOME
      fi
      # For Cygwin, ensure paths are in UNIX format before anything is touched
      if $cygwin ; then
      [ -n "$M2_HOME" ] &&
      M2_HOME=`cygpath --unix "$M2_HOME"`
      [ -n "$JAVA_HOME" ] &&
      JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
      [ -n "$CLASSPATH" ] &&
      CLASSPATH=`cygpath --path --unix "$CLASSPATH"`
      fi
      # For Mingw, ensure paths are in UNIX format before anything is touched
      if $mingw ; then
      [ -n "$M2_HOME" ] &&
      M2_HOME="`(cd "$M2_HOME"; pwd)`"
      [ -n "$JAVA_HOME" ] &&
      JAVA_HOME="`(cd "$JAVA_HOME"; pwd)`"
      fi
      if [ -z "$JAVA_HOME" ]; then
      javaExecutable="`which javac`"
      if [ -n "$javaExecutable" ] && ! [ "`expr \"$javaExecutable\" : '\([^ ]*\)'`" = "no" ]; then
      # readlink(1) is not available as standard on Solaris 10.
      readLink=`which readlink`
      if [ ! `expr "$readLink" : '\([^ ]*\)'` = "no" ]; then
      if $darwin ; then
      javaHome="`dirname \"$javaExecutable\"`"
      javaExecutable="`cd \"$javaHome\" && pwd -P`/javac"
      else
      javaExecutable="`readlink -f \"$javaExecutable\"`"
      fi
      javaHome="`dirname \"$javaExecutable\"`"
      javaHome=`expr "$javaHome" : '\(.*\)/bin'`
      JAVA_HOME="$javaHome"
      export JAVA_HOME
      fi
      fi
      fi
      if [ -z "$JAVACMD" ] ; then
      if [ -n "$JAVA_HOME" ] ; then
      if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
      # IBM's JDK on AIX uses strange locations for the executables
      JAVACMD="$JAVA_HOME/jre/sh/java"
      else
      JAVACMD="$JAVA_HOME/bin/java"
      fi
      else
      JAVACMD="`which java`"
      fi
      fi
      if [ ! -x "$JAVACMD" ] ; then
      echo "Error: JAVA_HOME is not defined correctly." >&2
      echo " We cannot execute $JAVACMD" >&2
      exit 1
      fi
      if [ -z "$JAVA_HOME" ] ; then
      echo "Warning: JAVA_HOME environment variable is not set."
      fi
      CLASSWORLDS_LAUNCHER=org.codehaus.plexus.classworlds.launcher.Launcher
      # traverses directory structure from process work directory to filesystem root
      # first directory with .mvn subdirectory is considered project base directory
      find_maven_basedir() {
      if [ -z "$1" ]
      then
      echo "Path not specified to find_maven_basedir"
      return 1
      fi
      basedir="$1"
      wdir="$1"
      while [ "$wdir" != '/' ] ; do
      if [ -d "$wdir"/.mvn ] ; then
      basedir=$wdir
      break
      fi
      # workaround for JBEAP-8937 (on Solaris 10/Sparc)
      if [ -d "${wdir}" ]; then
      wdir=`cd "$wdir/.."; pwd`
      fi
      # end of workaround
      done
      echo "${basedir}"
      }
      # concatenates all lines of a file
      concat_lines() {
      if [ -f "$1" ]; then
      echo "$(tr -s '\n' ' ' < "$1")"
      fi
      }
      BASE_DIR=`find_maven_basedir "$(pwd)"`
      if [ -z "$BASE_DIR" ]; then
      exit 1;
      fi
      ##########################################################################################
      # Extension to allow automatically downloading the maven-wrapper.jar from Maven-central
      # This allows using the maven wrapper in projects that prohibit checking in binary data.
      ##########################################################################################
      if [ -r "$BASE_DIR/.mvn/wrapper/maven-wrapper.jar" ]; then
      if [ "$MVNW_VERBOSE" = true ]; then
      echo "Found .mvn/wrapper/maven-wrapper.jar"
      fi
      else
      if [ "$MVNW_VERBOSE" = true ]; then
      echo "Couldn't find .mvn/wrapper/maven-wrapper.jar, downloading it ..."
      fi
      if [ -n "$MVNW_REPOURL" ]; then
      jarUrl="$MVNW_REPOURL/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar"
      else
      jarUrl="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar"
      fi
      while IFS="=" read key value; do
      case "$key" in (wrapperUrl) jarUrl="$value"; break ;;
      esac
      done < "$BASE_DIR/.mvn/wrapper/maven-wrapper.properties"
      if [ "$MVNW_VERBOSE" = true ]; then
      echo "Downloading from: $jarUrl"
      fi
      wrapperJarPath="$BASE_DIR/.mvn/wrapper/maven-wrapper.jar"
      if $cygwin; then
      wrapperJarPath=`cygpath --path --windows "$wrapperJarPath"`
      fi
      if command -v wget > /dev/null; then
      if [ "$MVNW_VERBOSE" = true ]; then
      echo "Found wget ... using wget"
      fi
      if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then
      wget "$jarUrl" -O "$wrapperJarPath"
      else
      wget --http-user=$MVNW_USERNAME --http-password=$MVNW_PASSWORD "$jarUrl" -O "$wrapperJarPath"
      fi
      elif command -v curl > /dev/null; then
      if [ "$MVNW_VERBOSE" = true ]; then
      echo "Found curl ... using curl"
      fi
      if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then
      curl -o "$wrapperJarPath" "$jarUrl" -f
      else
      curl --user $MVNW_USERNAME:$MVNW_PASSWORD -o "$wrapperJarPath" "$jarUrl" -f
      fi
      else
      if [ "$MVNW_VERBOSE" = true ]; then
      echo "Falling back to using Java to download"
      fi
      javaClass="$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.java"
      # For Cygwin, switch paths to Windows format before running javac
      if $cygwin; then
      javaClass=`cygpath --path --windows "$javaClass"`
      fi
      if [ -e "$javaClass" ]; then
      if [ ! -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then
      if [ "$MVNW_VERBOSE" = true ]; then
      echo " - Compiling MavenWrapperDownloader.java ..."
      fi
      # Compiling the Java class
      ("$JAVA_HOME/bin/javac" "$javaClass")
      fi
      if [ -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then
      # Running the downloader
      if [ "$MVNW_VERBOSE" = true ]; then
      echo " - Running MavenWrapperDownloader.java ..."
      fi
      ("$JAVA_HOME/bin/java" -cp .mvn/wrapper MavenWrapperDownloader "$MAVEN_PROJECTBASEDIR")
      fi
      fi
      fi
      fi
      ##########################################################################################
      # End of extension
      ##########################################################################################
      export MAVEN_PROJECTBASEDIR=${MAVEN_BASEDIR:-"$BASE_DIR"}
      if [ "$MVNW_VERBOSE" = true ]; then
      echo $MAVEN_PROJECTBASEDIR
      fi
      MAVEN_OPTS="$(concat_lines "$MAVEN_PROJECTBASEDIR/.mvn/jvm.config") $MAVEN_OPTS"
      # For Cygwin, switch paths to Windows format before running java
      if $cygwin; then
      [ -n "$M2_HOME" ] &&
      M2_HOME=`cygpath --path --windows "$M2_HOME"`
      [ -n "$JAVA_HOME" ] &&
      JAVA_HOME=`cygpath --path --windows "$JAVA_HOME"`
      [ -n "$CLASSPATH" ] &&
      CLASSPATH=`cygpath --path --windows "$CLASSPATH"`
      [ -n "$MAVEN_PROJECTBASEDIR" ] &&
      MAVEN_PROJECTBASEDIR=`cygpath --path --windows "$MAVEN_PROJECTBASEDIR"`
      fi
      # Provide a "standardized" way to retrieve the CLI args that will
      # work with both Windows and non-Windows executions.
      MAVEN_CMD_LINE_ARGS="$MAVEN_CONFIG $@"
      export MAVEN_CMD_LINE_ARGS
      WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
      exec "$JAVACMD" \
      $MAVEN_OPTS \
      -classpath "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar" \
      "-Dmaven.home=${M2_HOME}" "-Dmaven.multiModuleProjectDirectory=${MAVEN_PROJECTBASEDIR}" \
      ${WRAPPER_LAUNCHER} $MAVEN_CONFIG "$@"
      mvnw.cmd 0 → 100644
      浏览文件 @ 4a33c26c
      @REM ----------------------------------------------------------------------------
      @REM Licensed to the Apache Software Foundation (ASF) under one
      @REM or more contributor license agreements. See the NOTICE file
      @REM distributed with this work for additional information
      @REM regarding copyright ownership. The ASF licenses this file
      @REM to you under the Apache License, Version 2.0 (the
      @REM "License"); you may not use this file except in compliance
      @REM with the License. You may obtain a copy of the License at
      @REM
      @REM https://www.apache.org/licenses/LICENSE-2.0
      @REM
      @REM Unless required by applicable law or agreed to in writing,
      @REM software distributed under the License is distributed on an
      @REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
      @REM KIND, either express or implied. See the License for the
      @REM specific language governing permissions and limitations
      @REM under the License.
      @REM ----------------------------------------------------------------------------
      @REM ----------------------------------------------------------------------------
      @REM Maven Start Up Batch script
      @REM
      @REM Required ENV vars:
      @REM JAVA_HOME - location of a JDK home dir
      @REM
      @REM Optional ENV vars
      @REM M2_HOME - location of maven2's installed home dir
      @REM MAVEN_BATCH_ECHO - set to 'on' to enable the echoing of the batch commands
      @REM MAVEN_BATCH_PAUSE - set to 'on' to wait for a keystroke before ending
      @REM MAVEN_OPTS - parameters passed to the Java VM when running Maven
      @REM e.g. to debug Maven itself, use
      @REM set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
      @REM MAVEN_SKIP_RC - flag to disable loading of mavenrc files
      @REM ----------------------------------------------------------------------------
      @REM Begin all REM lines with '@' in case MAVEN_BATCH_ECHO is 'on'
      @echo off
      @REM set title of command window
      title %0
      @REM enable echoing by setting MAVEN_BATCH_ECHO to 'on'
      @if "%MAVEN_BATCH_ECHO%" == "on" echo %MAVEN_BATCH_ECHO%
      @REM set %HOME% to equivalent of $HOME
      if "%HOME%" == "" (set "HOME=%HOMEDRIVE%%HOMEPATH%")
      @REM Execute a user defined script before this one
      if not "%MAVEN_SKIP_RC%" == "" goto skipRcPre
      @REM check for pre script, once with legacy .bat ending and once with .cmd ending
      if exist "%HOME%\mavenrc_pre.bat" call "%HOME%\mavenrc_pre.bat"
      if exist "%HOME%\mavenrc_pre.cmd" call "%HOME%\mavenrc_pre.cmd"
      :skipRcPre
      @setlocal
      set ERROR_CODE=0
      @REM To isolate internal variables from possible post scripts, we use another setlocal
      @setlocal
      @REM ==== START VALIDATION ====
      if not "%JAVA_HOME%" == "" goto OkJHome
      echo.
      echo Error: JAVA_HOME not found in your environment. >&2
      echo Please set the JAVA_HOME variable in your environment to match the >&2
      echo location of your Java installation. >&2
      echo.
      goto error
      :OkJHome
      if exist "%JAVA_HOME%\bin\java.exe" goto init
      echo.
      echo Error: JAVA_HOME is set to an invalid directory. >&2
      echo JAVA_HOME = "%JAVA_HOME%" >&2
      echo Please set the JAVA_HOME variable in your environment to match the >&2
      echo location of your Java installation. >&2
      echo.
      goto error
      @REM ==== END VALIDATION ====
      :init
      @REM Find the project base dir, i.e. the directory that contains the folder ".mvn".
      @REM Fallback to current working directory if not found.
      set MAVEN_PROJECTBASEDIR=%MAVEN_BASEDIR%
      IF NOT "%MAVEN_PROJECTBASEDIR%"=="" goto endDetectBaseDir
      set EXEC_DIR=%CD%
      set WDIR=%EXEC_DIR%
      :findBaseDir
      IF EXIST "%WDIR%"\.mvn goto baseDirFound
      cd ..
      IF "%WDIR%"=="%CD%" goto baseDirNotFound
      set WDIR=%CD%
      goto findBaseDir
      :baseDirFound
      set MAVEN_PROJECTBASEDIR=%WDIR%
      cd "%EXEC_DIR%"
      goto endDetectBaseDir
      :baseDirNotFound
      set MAVEN_PROJECTBASEDIR=%EXEC_DIR%
      cd "%EXEC_DIR%"
      :endDetectBaseDir
      IF NOT EXIST "%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config" goto endReadAdditionalConfig
      @setlocal EnableExtensions EnableDelayedExpansion
      for /F "usebackq delims=" %%a in ("%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config") do set JVM_CONFIG_MAVEN_PROPS=!JVM_CONFIG_MAVEN_PROPS! %%a
      @endlocal & set JVM_CONFIG_MAVEN_PROPS=%JVM_CONFIG_MAVEN_PROPS%
      :endReadAdditionalConfig
      SET MAVEN_JAVA_EXE="%JAVA_HOME%\bin\java.exe"
      set WRAPPER_JAR="%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.jar"
      set WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
      set DOWNLOAD_URL="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar"
      FOR /F "tokens=1,2 delims==" %%A IN ("%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.properties") DO (
      IF "%%A"=="wrapperUrl" SET DOWNLOAD_URL=%%B
      )
      @REM Extension to allow automatically downloading the maven-wrapper.jar from Maven-central
      @REM This allows using the maven wrapper in projects that prohibit checking in binary data.
      if exist %WRAPPER_JAR% (
      if "%MVNW_VERBOSE%" == "true" (
      echo Found %WRAPPER_JAR%
      )
      ) else (
      if not "%MVNW_REPOURL%" == "" (
      SET DOWNLOAD_URL="%MVNW_REPOURL%/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar"
      )
      if "%MVNW_VERBOSE%" == "true" (
      echo Couldn't find %WRAPPER_JAR%, downloading it ...
      echo Downloading from: %DOWNLOAD_URL%
      )
      powershell -Command "&{"^
      "$webclient = new-object System.Net.WebClient;"^
      "if (-not ([string]::IsNullOrEmpty('%MVNW_USERNAME%') -and [string]::IsNullOrEmpty('%MVNW_PASSWORD%'))) {"^
      "$webclient.Credentials = new-object System.Net.NetworkCredential('%MVNW_USERNAME%', '%MVNW_PASSWORD%');"^
      "}"^
      "[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; $webclient.DownloadFile('%DOWNLOAD_URL%', '%WRAPPER_JAR%')"^
      "}"
      if "%MVNW_VERBOSE%" == "true" (
      echo Finished downloading %WRAPPER_JAR%
      )
      )
      @REM End of extension
      @REM Provide a "standardized" way to retrieve the CLI args that will
      @REM work with both Windows and non-Windows executions.
      set MAVEN_CMD_LINE_ARGS=%*
      %MAVEN_JAVA_EXE% %JVM_CONFIG_MAVEN_PROPS% %MAVEN_OPTS% %MAVEN_DEBUG_OPTS% -classpath %WRAPPER_JAR% "-Dmaven.multiModuleProjectDirectory=%MAVEN_PROJECTBASEDIR%" %WRAPPER_LAUNCHER% %MAVEN_CONFIG% %*
      if ERRORLEVEL 1 goto error
      goto end
      :error
      set ERROR_CODE=1
      :end
      @endlocal & set ERROR_CODE=%ERROR_CODE%
      if not "%MAVEN_SKIP_RC%" == "" goto skipRcPost
      @REM check for post script, once with legacy .bat ending and once with .cmd ending
      if exist "%HOME%\mavenrc_post.bat" call "%HOME%\mavenrc_post.bat"
      if exist "%HOME%\mavenrc_post.cmd" call "%HOME%\mavenrc_post.cmd"
      :skipRcPost
      @REM pause the script if MAVEN_BATCH_PAUSE is set to 'on'
      if "%MAVEN_BATCH_PAUSE%" == "on" pause
      if "%MAVEN_TERMINATE_CMD%" == "on" exit %ERROR_CODE%
      exit /B %ERROR_CODE%
      pom.xml 0 → 100644
      浏览文件 @ 4a33c26c
      <?xml version="1.0" encoding="UTF-8"?>
      <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
      xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
      <modelVersion>4.0.0</modelVersion>
      <parent>
      <groupId>org.springframework.boot</groupId>
      <artifactId>spring-boot-starter-parent</artifactId>
      <version>2.3.4.RELEASE</version>
      <relativePath/> <!-- lookup parent from repository -->
      </parent>
      <groupId>com.lnb</groupId>
      <artifactId>multi-datasource-demo</artifactId>
      <version>0.0.1-SNAPSHOT</version>
      <name>multi-datasource-demo</name>
      <description>multi-datasource-demo</description>
      <properties>
      <java.version>1.8</java.version>
      </properties>
      <dependencies>
      <dependency>
      <groupId>org.springframework.boot</groupId>
      <artifactId>spring-boot-starter</artifactId>
      </dependency>
      <dependency>
      <groupId>org.springframework.boot</groupId>
      <artifactId>spring-boot-starter-web</artifactId>
      </dependency>
      <dependency>
      <groupId>org.springframework.boot</groupId>
      <artifactId>spring-boot-starter-test</artifactId>
      <scope>test</scope>
      </dependency>
      <dependency>
      <groupId>org.projectlombok</groupId>
      <artifactId>lombok</artifactId>
      <optional>true</optional>
      </dependency>
      <!-- mybatis-->
      <dependency>
      <groupId>org.mybatis.spring.boot</groupId>
      <artifactId>mybatis-spring-boot-starter</artifactId>
      <version>2.0.0</version>
      </dependency>
      <dependency>
      <groupId>com.lnb</groupId>
      <artifactId>multidatasource</artifactId>
      <version>1.0.1-SNAPSHOT</version>
      </dependency>
      </dependencies>
      <build>
      <plugins>
      <plugin>
      <groupId>org.springframework.boot</groupId>
      <artifactId>spring-boot-maven-plugin</artifactId>
      </plugin>
      </plugins>
      </build>
      </project>
      src/main/java/com/lnb/multidatasourcedemo/Application.java 0 → 100644
      浏览文件 @ 4a33c26c
      package com.lnb.multidatasourcedemo;
      import org.springframework.boot.SpringApplication;
      import org.springframework.boot.autoconfigure.SpringBootApplication;
      @SpringBootApplication(scanBasePackages={"com.lnb.multidatasourcedemo", "com.lnb.multidatasource"})
      public class Application {
      public static void main(String[] args) {
      SpringApplication.run(Application.class, args);
      }
      }
      src/main/java/com/lnb/multidatasourcedemo/controller/RouterController.java 0 → 100644
      浏览文件 @ 4a33c26c
      package com.lnb.multidatasourcedemo.controller;
      import com.lnb.multidatasourcedemo.service.RouterService;
      import org.springframework.beans.factory.annotation.Autowired;
      import org.springframework.web.bind.annotation.GetMapping;
      import org.springframework.web.bind.annotation.RequestParam;
      import org.springframework.web.bind.annotation.RestController;
      @RestController
      public class RouterController {
      @Autowired
      private RouterService routerService;
      @GetMapping("/goodsale")
      public Object goodsale(@RequestParam String tenantID){
      try {
      String obj = routerService.goodsale(tenantID);
      return "城市名称：" + obj;
      }catch (Exception e){
      return "tenantID:" + tenantID + " 没找到路由";
      }
      }
      @GetMapping("/order")
      public Object order(@RequestParam String tenantID){
      try{
      String obj = routerService.order(tenantID);
      return "商品名称：" + obj;
      }catch (Exception e){
      return "tenantID:" + tenantID + " 没找到路由";
      }
      }
      @GetMapping("/stock")
      public Object stock(@RequestParam String tenantID){
      try{
      String obj = routerService.stock(tenantID);
      return "供应商名称：" + obj;
      }catch (Exception e){
      return "tenantID:" + tenantID + " 没找到路由";
      }
      }
      }
      src/main/java/com/lnb/multidatasourcedemo/dao/RouterDao.java 0 → 100644
      浏览文件 @ 4a33c26c
      package com.lnb.multidatasourcedemo.dao;
      import org.apache.ibatis.annotations.Mapper;
      @Mapper
      public interface RouterDao {
      String goodsale();
      String order();
      String stock();
      }
      src/main/java/com/lnb/multidatasourcedemo/service/RouterService.java 0 → 100644
      浏览文件 @ 4a33c26c
      package com.lnb.multidatasourcedemo.service;
      import com.lnb.multidatasourcedemo.dao.RouterDao;
      import com.lnb.multidatasourcedemo.holder.DataSourceContextHolder;
      import org.springframework.beans.factory.annotation.Autowired;
      import org.springframework.stereotype.Service;
      @Service
      public class RouterService {
      @Autowired
      private RouterDao routerDao;
      public String goodsale(String tenantID) throws Exception {
      String appName = "goodsale";
      String key = appName + "-tenantID-" + tenantID;
      DataSourceContextHolder.setDataSourceType(key);
      String name = routerDao.goodsale();
      return name;
      }
      public String order(String tenantID) throws Exception {
      String appName = "order";
      String key = appName + "-tenantID-" + tenantID;
      DataSourceContextHolder.setDataSourceType(key);
      String str = routerDao.order();
      return str;
      }
      public String stock(String tenantID) throws Exception {
      String appName = "stock";
      String key = appName + "-tenantID-" + tenantID;
      DataSourceContextHolder.setDataSourceType(key);
      String str = routerDao.stock();
      return str;
      }
      }
      src/main/resources/application.yml 0 → 100644
      浏览文件 @ 4a33c26c
      spring:
      common:
      zkServer: 127.0.0.1:2181
      appName: goodsale,order,stock
      adminDB: jdbc:mysql://127.0.0.1:3306/lnb?autoReconnect=true&useUnicode=true&characterEncoding=utf8&allowMultiQueries=true&useSSL=false
      adminUser: root
      adminPwd: lnb199199
      readOnly: false
      slot:
      mybatis:
      configuration:
      map-underscore-to-camel-case: true
      mapper-locations: classpath:mapper/*.xml
      src/main/resources/mapper/RouterMapper.xml 0 → 100644
      浏览文件 @ 4a33c26c
      <?xml version="1.0" encoding="UTF-8"?>
      <!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
      <mapper namespace="com.lnb.multidatasourcedemo.dao.RouterDao">
      <select id="goodsale" resultType="java.lang.String">
      select name
      from city
      where id = 1
      </select>
      <select id="order" resultType="java.lang.String">
      select name
      from goods
      where id = 1035
      </select>
      <select id="stock" resultType="java.lang.String">
      select supplier_name
      from supplier_info
      where id = 1
      </select>
      </mapper>
      \ No newline at end of file
      src/test/java/com/lnb/multidatasourcedemo/MultiDatasourceDemoApplicationTests.java 0 → 100644
      浏览文件 @ 4a33c26c
      package com.lnb.multidatasourcedemo;
      import org.junit.jupiter.api.Test;
      import org.springframework.boot.test.context.SpringBootTest;
      @SpringBootTest
      class MultiDatasourceDemoApplicationTests {
      @Test
      void contextLoads() {
      }
      }
      target/classes/application.yml 0 → 100644
      浏览文件 @ 4a33c26c
      spring:
      common:
      zkServer: 127.0.0.1:2181
      appName: goodsale,order,stock
      adminDB: jdbc:mysql://127.0.0.1:3306/lnb?autoReconnect=true&useUnicode=true&characterEncoding=utf8&allowMultiQueries=true&useSSL=false
      adminUser: root
      adminPwd: lnb199199
      readOnly: false
      slot:
      mybatis:
      configuration:
      map-underscore-to-camel-case: true
      mapper-locations: classpath:mapper/*.xml
      target/classes/mapper/RouterMapper.xml 0 → 100644
      浏览文件 @ 4a33c26c
      <?xml version="1.0" encoding="UTF-8"?>
      <!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
      <mapper namespace="com.lnb.multidatasourcedemo.dao.RouterDao">
      <select id="goodsale" resultType="java.lang.String">
      select name
      from city
      where id = 1
      </select>
      <select id="order" resultType="java.lang.String">
      select name
      from goods
      where id = 1035
      </select>
      <select id="stock" resultType="java.lang.String">
      select supplier_name
      from supplier_info
      where id = 1
      </select>
      </mapper>
      \ No newline at end of file
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