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[默认分类] 整合spring boot + quartz + spring batch + mybatis

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  • TA的每日心情
    开心
    2021-12-13 21:45
  • 签到天数: 15 天

    [LV.4]偶尔看看III

    发表于 2018-4-19 10:49:06 | 显示全部楼层 |阅读模式

    quartz负责定时,spring batch负责批量,MyBatis负责持久化数据库,具体每个框架的介绍请参考其它文章,本节主要做spring boot + quartz + spring batch + mybatis的整合。
    案例:指定距当前时间5s后,每隔3s时间执行一次批处理任务,批处理任务是读取数据库表记录并打印出来。
    数据库采用DB2数据库,库表为users,记录为:

    一、建立一个spring boot工程,并在pom.xml中引入依赖jar包
    1. [code]<?xml version="1.0" encoding="UTF-8"?>
    2. <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 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    3.     <modelVersion>4.0.0</modelVersion>
    4.     <groupId>com.lzj</groupId>
    5.     <artifactId>demo</artifactId>
    6.     <version>0.0.1-SNAPSHOT</version>
    7.     <packaging>jar</packaging>
    8.     <name>demo</name>
    9.     <description>Demo project for Spring Boot</description>
    10.     <parent>
    11.         <groupId>org.springframework.boot</groupId>
    12.         <artifactId>spring-boot-starter-parent</artifactId>
    13.         <version>1.5.10.RELEASE</version>
    14.         <relativePath /> <!-- lookup parent from repository -->
    15.     </parent>
    16.     <properties>
    17.         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    18.         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
    19.         <java.version>1.8</java.version>
    20.     </properties>
    21.     <dependencies>
    22.         <dependency>
    23.             <groupId>org.springframework</groupId>
    24.             <artifactId>spring-context-support</artifactId>
    25.         </dependency>
    26.         <dependency>
    27.             <groupId>org.springframework.boot</groupId>
    28.             <artifactId>spring-boot-starter-batch</artifactId>
    29.         </dependency>
    30.         <dependency>
    31.             <groupId>org.springframework</groupId>
    32.             <artifactId>spring-oxm</artifactId>
    33.         </dependency>
    34.         <dependency>
    35.             <groupId>org.projectlombok</groupId>
    36.             <artifactId>lombok</artifactId>
    37.         </dependency>
    38.         <!-- <dependency> <groupId>com.h2database</groupId> <artifactId>h2</artifactId> <scope>runtime</scope> </dependency> -->
    39.         <dependency>
    40.             <groupId>mysql</groupId>
    41.             <artifactId>mysql-connector-java</artifactId>
    42.             <scope>runtime</scope>
    43.         </dependency>
    44.         <dependency>
    45.             <groupId>org.springframework.boot</groupId>
    46.             <artifactId>spring-boot-starter-test</artifactId>
    47.             <scope>test</scope>
    48.         </dependency>
    49.         <dependency>
    50.             <groupId>org.springframework.batch</groupId>
    51.             <artifactId>spring-batch-test</artifactId>
    52.             <scope>test</scope>
    53.         </dependency>
    54.         <dependency>
    55.             <groupId>org.projectlombok</groupId>
    56.             <artifactId>lombok</artifactId>
    57.         </dependency>
    58.         <dependency>
    59.             <groupId>org.quartz-scheduler</groupId>
    60.             <artifactId>quartz</artifactId>
    61.             <version>2.3.0</version>
    62.         </dependency>
    63.         <dependency>
    64.             <groupId>com.h2database</groupId>
    65.             <artifactId>h2</artifactId>
    66.             <scope>runtime</scope>
    67.         </dependency>
    68.         <dependency>
    69.             <groupId>org.mybatis</groupId>
    70.             <artifactId>mybatis</artifactId>
    71.             <version>3.4.6</version>
    72.         </dependency>
    73.         <dependency>
    74.             <groupId>org.mybatis</groupId>
    75.             <artifactId>mybatis-spring</artifactId>
    76.             <version>1.3.2</version>
    77.         </dependency>
    78.         <dependency>
    79.             <groupId>com.alibaba</groupId>
    80.             <artifactId>druid</artifactId>
    81.             <version>1.1.9</version>
    82.         </dependency>
    83.     </dependencies>
    84.     <build>
    85.         <plugins>
    86.             <plugin>
    87.                 <groupId>org.springframework.boot</groupId>
    88.                 <artifactId>spring-boot-maven-plugin</artifactId>
    89.             </plugin>
    90.         </plugins>
    91.     </build>
    92. </project>
    复制代码
    [/code]
    二、配置定时
    spring-context-support的jar包作了quartz和spring batch的整合。QuartzJobBean类起连接quartz和spring batch的作用。quartz定时执行QuartzJobBean的继承类,在继承类中去执行启动批量任务,达到定时启动批量的作用。
    1、创建QuartzJobBean的继承类
    1. [code]package com.lzj.quartz;
    2. import java.text.SimpleDateFormat;
    3. import java.util.Date;
    4. import org.h2.util.New;
    5. import org.quartz.JobDataMap;
    6. import org.quartz.JobDetail;
    7. import org.quartz.JobExecutionContext;
    8. import org.quartz.JobExecutionException;
    9. import org.quartz.JobKey;
    10. import org.springframework.batch.core.Job;
    11. import org.springframework.batch.core.JobExecution;
    12. import org.springframework.batch.core.JobParameters;
    13. import org.springframework.batch.core.JobParametersBuilder;
    14. import org.springframework.batch.core.configuration.JobLocator;
    15. import org.springframework.batch.core.launch.JobLauncher;
    16. import org.springframework.scheduling.quartz.QuartzJobBean;
    17. public class QuartzJobLauncher extends QuartzJobBean {
    18. /*-------------方式一:获取jobName、jobLauncher和jobLocator*/
    19. //  private String jobName;
    20. //  private JobLauncher jobLauncher;
    21. //  private JobLocator jobLocator;
    22. //
    23. //  public String getJobName() {
    24. //      return jobName;
    25. //  }
    26. //
    27. //  public void setJobName(String jobName) {
    28. //      this.jobName = jobName;
    29. //  }
    30. //
    31. //  public JobLauncher getJobLauncher() {
    32. //      return jobLauncher;
    33. //  }
    34. //
    35. //  public void setJobLauncher(JobLauncher jobLauncher) {
    36. //      this.jobLauncher = jobLauncher;
    37. //  }
    38. //
    39. //  public JobLocator getJobLocator() {
    40. //      return jobLocator;
    41. //  }
    42. //
    43. //  public void setJobLocator(JobLocator jobLocator) {
    44. //      this.jobLocator = jobLocator;
    45. //  }
    46. /*------------------------方式一获取结束------------------------------*/
    47.     @Override
    48.     protected void executeInternal(JobExecutionContext context) throws JobExecutionException {
    49. /*-------------方式二:获取jobName、jobLauncher和jobLocator-------------------*/
    50.         JobDetail jobDetail = context.getJobDetail();
    51.         JobDataMap jobDataMap = jobDetail.getJobDataMap();
    52.         String jobName = jobDataMap.getString("jobName");
    53.         JobLauncher jobLauncher = (JobLauncher) jobDataMap.get("jobLauncher");
    54.         JobLocator jobLocator = (JobLocator) jobDataMap.get("jobLocator");
    55.         System.out.println("jobName : " + jobName);
    56.         System.out.println("jobLauncher : " + jobLauncher);
    57.         System.out.println("jobLocator : " + jobLocator);
    58. /*-----------------------------方式二获取结束---------------------------------*/
    59.         SimpleDateFormat sf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
    60.         String date = sf.format(new Date());
    61.         System.out.println("Current Time : " + date);
    62.         try {
    63.             Job job = jobLocator.getJob(jobName);
    64.             /*启动spring batch的批处理作业*/
    65.             JobExecution jobExecution = jobLauncher.run(job, new JobParametersBuilder().addDate("date", new Date()).toJobParameters());
    66.         } catch (Exception e) {
    67.             e.printStackTrace();
    68.         }
    69.     }
    70. }
    复制代码
    [/code]
    2、配置定时任务
    1. [code]<?xml version="1.0" encoding="UTF-8"?>
    2. <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd">
    3.     <bean id="quartzJob" class="com.lzj.quartz.QuartzJobLauncher"></bean>
    4.     <!-- 注册job -->
    5.     <bean id="jobRegistry" class="org.springframework.batch.core.configuration.support.MapJobRegistry"></bean>
    6.     <bean class="org.springframework.batch.core.configuration.support.JobRegistryBeanPostProcessor">
    7.         <property name="jobRegistry" ref="jobRegistry"></property>
    8.     </bean>
    9.     <!-- jobLauncher在batch-config.xml文件中定义了 -->
    10.     <bean id="jobDetail" class="org.springframework.scheduling.quartz.JobDetailFactoryBean">
    11.         <property name="jobClass" value="com.lzj.quartz.QuartzJobLauncher"></property>
    12.         <property name="jobDataMap">
    13.             <map>
    14.                 <entry key="jobName" value="myJob"></entry>
    15.                 <entry key="jobLauncher" value-ref="jobLauncher"></entry>
    16.                 <entry key="jobLocator" value-ref="jobRegistry"></entry>
    17.             </map>
    18.         </property>
    19.     </bean>
    20.     <bean id="cronTrigger" class="org.springframework.scheduling.quartz.CronTriggerFactoryBean">
    21.         <property name="jobDetail" ref="jobDetail"></property>
    22.         <property name="cronExpression" value="0/3 * * * * ?"></property>
    23.         <property name="startDelay" value="3000"></property>
    24.     </bean>
    25.     <bean id="scheduler" class="org.springframework.scheduling.quartz.SchedulerFactoryBean">
    26.         <property name="triggers" ref="cronTrigger"></property>
    27.     </bean>
    28. </beans>
    复制代码
    [/code]
    三、配置spring batch的job作业
    1、首先创建batch的作业类,实现Tasklet接口即可
    程序中用到的UserDao 与数据库打交道的接口在后面通过mybatis进行定义。
    1. [code]package com.lzj.springbatch.tasklet;
    2. import java.util.List;
    3. import org.springframework.batch.core.StepContribution;
    4. import org.springframework.batch.core.scope.context.ChunkContext;
    5. import org.springframework.batch.core.step.tasklet.Tasklet;
    6. import org.springframework.batch.repeat.RepeatStatus;
    7. import com.lzj.mybatis.dao.UserDao;
    8. import com.lzj.springbatch.model.User;
    9. public class MyTasklet implements Tasklet {
    10.     /*在配置文件batch-confi.xml中定义MyTasklet的bean时,传入UserDao 的属性*/
    11.     private UserDao userDao;
    12.     public UserDao getUserDao() {
    13.         return userDao;
    14.     }
    15.     public void setUserDao(UserDao userDao) {
    16.         this.userDao = userDao;
    17.     }
    18.     @Override
    19.     public RepeatStatus execute(StepContribution contribution, ChunkContext chunkContext) throws Exception {
    20.         User user = new User();
    21.         user.setId(1);
    22.         List<User> users = userDao.select(user);
    23.         for(User user1 : users){
    24.             System.out.println(user1);
    25.         }
    26.         return RepeatStatus.FINISHED;
    27.     }
    28. }
    复制代码
    [/code]
    2、配置job作业
    1. [code]<?xml version="1.0" encoding="UTF-8"?>
    2. <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:batch="http://www.springframework.org/schema/batch" xmlns:jdbc="http://www.springframework.org/schema/jdbc" xmlns:context="http://www.springframework.org/schema/context" xsi:schemaLocation="http://www.springframework.org/schema/batch http://www.springframework.org/schema/batch/spring-batch.xsd http://www.springframework.org/schema/jdbc http://www.springframework.org/schema/jdbc/spring-jdbc-4.3.xsd http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.3.xsd">
    3. <!-- <context:property-placeholder location="classpath:db.properties"/> -->
    4.     <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
    5.         <property name="dataSource" ref="dataSource"></property>
    6.     </bean>
    7.     <bean id="jobRepository" class="org.springframework.batch.core.repository.support.JobRepositoryFactoryBean">
    8.         <property name="dataSource" ref="dataSource"></property>
    9.         <property name="transactionManager" ref="transactionManager"></property>
    10.     </bean>
    11.     <bean id="jobLauncher" class="org.springframework.batch.core.launch.support.SimpleJobLauncher">
    12.         <property name="jobRepository" ref="jobRepository"></property>
    13.     </bean>
    14.     <batch:job id="myJob" restartable="true">
    15.         <batch:step id="myStep" allow-start-if-complete="true">
    16.             <batch:tasklet ref="myTasklet">
    17.             </batch:tasklet>
    18.         </batch:step>
    19.     </batch:job>
    20.     <bean id="myTasklet" class="com.lzj.springbatch.tasklet.MyTasklet">
    21. <!-- <property name="dataSource" ref="dataSource"></property> -->
    22.         <property name="userDao" ref="userDao"></property>
    23.     </bean>
    24. </beans>
    复制代码
    [/code]
    四、配置mybatis的持久化层
    1、在spring boot中整合mybatis的配置
    1. [code]<?xml version="1.0" encoding="UTF-8"?>
    2. <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context" xmlns:tx="http://www.springframework.org/schema/tx" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.2.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.2.xsd">
    3.     <bean id="propertyConfigure" class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
    4.         <property name="locations">
    5.             <list>
    6.                 <value>classpath:db.properties</value>
    7.             </list>
    8.         </property>
    9.     </bean>
    10.     <!--spring batch和mybatis共用一个数据源-->
    11.     <bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource">
    12.         <property name="url" value="${jdbc.jdbcUrl}" />
    13.         <property name="username" value="${jdbc.user}" />
    14.         <property name="password" value="${jdbc.password}" />
    15.         <property name="driverClassName" value="${jdbc.driverClass}" />
    16.         <property name="initialSize" value="3" />
    17.         <property name="minIdle" value="3" />
    18.         <property name="maxActive" value="3" />
    19.         <!-- 配置获取连接等待超时的时间 -->
    20.         <property name="maxWait" value="60000" />
    21.         <!-- 配置间隔多久才进行一次检测,检测需要关闭的空闲连接,单位是毫秒 -->
    22.         <property name="timeBetweenEvictionRunsMillis" value="60000" />
    23.         <!-- 配置一个连接在池中最小生存的时间,单位是毫秒 -->
    24.         <property name="minEvictableIdleTimeMillis" value="300000" />
    25.         <property name="testWhileIdle" value="true" />
    26.         <property name="testOnBorrow" value="false" />
    27.         <property name="testOnReturn" value="false" />
    28.     </bean>
    29.     <!-- 申明式事务 -->
    30.     <tx:annotation-driven transaction-manager="transactionManager" />
    31.     <!--mybatis-config.xml为mybatis的一些属性配置,如无必须要求,可不配置-->
    32.     <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
    33.         <property name="dataSource" ref="dataSource" />
    34.         <property name="configLocation" value="classpath:mybatis-config.xml" />
    35.         <!-- <property name="typeAliasesPackage" value="domain.bean" /> -->
    36.         <property name="mapperLocations">
    37.             <array>
    38.                 <value>classpath:mapper/*.xml</value>
    39.             </array>
    40.         </property>
    41.     </bean>
    42.     <!-- 配置加载Dao -->
    43.     <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
    44.         <property name="basePackage" value="com.lzj.mybatis.dao"></property>
    45.         <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"></property>
    46.     </bean>
    47. </beans>
    复制代码
    [/code]
    mybatis-config.xml中只配置了开启mybatis的二级缓存功能
    1. [code]<?xml version="1.0" encoding="UTF-8" ?>
    2. <!DOCTYPE configuration PUBLIC "-//mybatis.org//DTD Config 3.0//EN" "http://mybatis.org/dtd/mybatis-3-config.dtd">
    3. <configuration>
    4.     <settings>
    5.         <setting name="cacheEnabled" value="true" />
    6.     </settings>
    7. </configuration>
    复制代码
    [/code]
    数据库的properties文件db.properties为:
    1. [code]jdbc.user=my_name
    2. jdbc.password=my_password
    3. jdbc.driverClass=com.ibm.db2.jcc.DB2Driver
    4. jdbc.jdbcUrl=jdbc:db2:xx.xxx.xx.xxx:50000/database_name
    复制代码
    [/code]
    2、创建mybatis的接口,程序通过接口来操作mybatis与数据库交互
    1. [code]package com.lzj.mybatis.dao;
    2. import java.util.List;
    3. import com.lzj.springbatch.model.User;
    4. public interface UserDao {
    5.     public List<User> select(User user);
    6. }
    复制代码
    [/code]
    3、编写mybatis的mapper文件,接口操作mapper文件,
    1. [code]mapper文件与数据库交互
    2. <?xml version="1.0" encoding="UTF-8"?>
    3. <!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
    4. <mapper namespace="com.lzj.mybatis.dao.UserDao">
    5.     <resultMap type="com.lzj.springbatch.model.User" id="ResultMap">
    6.         <result column="ID" property="id"/>
    7.         <result column="NAME" property="name"/>
    8.         <result column="AGE" property="age"/>
    9.     </resultMap>
    10.     <select id="select" resultMap="ResultMap">
    11.         select * from SQLJ.users
    12.         <where>
    13.             <if test="id != null">ID > #{id}</if>
    14.         </where>
    15.     </select>
    16. </mapper>
    复制代码
    [/code]
    五、run
    测试方法如下:
    1. [code]@SpringBootApplication
    2. public class DemoApplication {
    3.     public static void main(String[] args) throws JobExecutionAlreadyRunningException, JobRestartException, JobInstanceAlreadyCompleteException, JobParametersInvalidException {
    4.         Set<Object> set = new HashSet<>();
    5.         set.add("classpath:batch-config.xml");
    6.         set.add("classpath:quartz-config.xml");
    7.         set.add("applicationContext.xml");
    8.         SpringApplication app = new SpringApplication(DemoApplication.class);
    9.         app.setSources(set);
    10.         ApplicationContext context = app.run(args);
    11.     }
    12. }
    复制代码
    [/code]
    启动测试方法,输出日志如下:
    1. [code]……
    2. jobName : myJob
    3. jobLauncher : org.springframework.batch.core.launch.support.SimpleJobLauncher@4ba309ec
    4. jobLocator : org.springframework.batch.core.configuration.support.MapJobRegistry@4564eee8
    5. Current Time : 2018-04-13 19:48:00
    6. 2018-04-13 19:48:00.032  INFO 4788 --- [eduler_Worker-2] o.s.b.c.l.support.SimpleJobLauncher      : Job: [FlowJob: [name=myJob]] launched with the following parameters: [{date=1523620080009}]
    7. 2018-04-13 19:48:00.090  INFO 4788 --- [eduler_Worker-2] o.s.batch.core.job.SimpleStepHandler     : Executing step: [myStep]
    8. User [id=2, name=huwei, age=28]
    9. User [id=3, name=lijie, age=26]
    10. 2018-04-13 19:48:00.140  INFO 4788 --- [eduler_Worker-2] o.s.b.c.l.support.SimpleJobLauncher      : Job: [FlowJob: [name=myJob]] completed with the following parameters: [{date=1523620080009}] and the following status: [COMPLETED]
    11. jobName : myJob
    12. jobLauncher : org.springframework.batch.core.launch.support.SimpleJobLauncher@4ba309ec
    13. jobLocator : org.springframework.batch.core.configuration.support.MapJobRegistry@4564eee8
    14. Current Time : 2018-04-13 19:48:03
    15. 2018-04-13 19:48:03.017  INFO 4788 --- [eduler_Worker-3] o.s.b.c.l.support.SimpleJobLauncher      : Job: [FlowJob: [name=myJob]] launched with the following parameters: [{date=1523620083000}]
    16. 2018-04-13 19:48:03.057  INFO 4788 --- [eduler_Worker-3] o.s.batch.core.job.SimpleStepHandler     : Executing step: [myStep]
    17. User [id=2, name=huwei, age=28]
    18. User [id=3, name=lijie, age=26]
    19. 2018-04-13 19:48:03.089  INFO 4788 --- [eduler_Worker-3] o.s.b.c.l.support.SimpleJobLauncher      : Job: [FlowJob: [name=myJob]] completed with the following parameters: [{date=1523620083000}] and the following status: [COMPLETED]
    20. jobName : myJob
    21. jobLauncher : org.springframework.batch.core.launch.support.SimpleJobLauncher@4ba309ec
    22. jobLocator : org.springframework.batch.core.configuration.support.MapJobRegistry@4564eee8
    23. Current Time : 2018-04-13 19:48:06
    24. 2018-04-13 19:48:06.019  INFO 4788 --- [eduler_Worker-4] o.s.b.c.l.support.SimpleJobLauncher      : Job: [FlowJob: [name=myJob]] launched with the following parameters: [{date=1523620086001}]
    25. 2018-04-13 19:48:06.058  INFO 4788 --- [eduler_Worker-4] o.s.batch.core.job.SimpleStepHandler     : Executing step: [myStep]
    26. User [id=2, name=huwei, age=28]
    27. User [id=3, name=lijie, age=26]
    28. 2018-04-13 19:48:06.094  INFO 4788 --- [eduler_Worker-4] o.s.b.c.l.support.SimpleJobLauncher      : Job: [FlowJob: [name=myJob]] completed with the following parameters: [{date=1523620086001}] and the following status: [COMPLETED]
    29. ……
    复制代码
    [/code]
    通过日志可以看出,每3s执行一次job任务
    工程目录为:


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