From faabdf9b836f9abe73f6e515c866be58bcdbc573 Mon Sep 17 00:00:00 2001
From: wangkang <wangkangit@163.com>
Date: Mon, 19 Jun 2017 10:41:12 +0800
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+# spring boot / cloud (十) 使用quartz搭建调度中心
+
+##前言
+
+
+###quartz介绍:
+
+
+>Quartz是OpenSymphony开源组织在Job scheduling领域又一个开源项目，它可以与J2EE与J2SE应用程序相结合也可以单独使用。Quartz可以用来创建简单或为运行十个，百个，甚至是好几万个Jobs这样复杂的程序。Jobs可以做成标准的Java组件或 EJBs。Quartz的最新版本为Quartz 2.3.0
+
+
+##思路
+
+
+将quartz集成进spring boot,并且提供一下内容:
+
+
+- 配置
+
+
+- 样例作业和触发器
+ 
+
+##实现
+
+
+###1.配置
+
+引入maven依赖(这里的quartz使用的是2.2.3)
+
+``` xml
+<dependency>
+  <groupId>org.springframework</groupId>
+  <artifactId>spring-context-support</artifactId>
+</dependency>
+
+<dependency>
+  <groupId>org.quartz-scheduler</groupId>
+  <artifactId>quartz</artifactId>
+  <version>${quartz.version}</version>
+</dependency>
+```
+
+编写AutowiringSpringBeanJobFactory类
+
+``` java
+public final class AutowiringSpringBeanJobFactory extends SpringBeanJobFactory
+    implements ApplicationContextAware {
+
+  /**
+   * 描述 : beanFactory
+   */
+  private AutowireCapableBeanFactory beanFactory;
+
+  @Override
+  public void setApplicationContext(final ApplicationContext context) {
+    beanFactory = context.getAutowireCapableBeanFactory();
+  }
+
+  @Override
+  protected Object createJobInstance(final TriggerFiredBundle bundle) throws Exception {
+    final Object job = super.createJobInstance(bundle);
+    beanFactory.autowireBean(job);
+    return job;
+  }
+}
+```
+
+编写SchedulerConfig类
+
+``` java
+@Configuration
+@ConfigurationProperties(prefix = "com.egridcloud.scheduler.config")
+@Validated
+public class SchedulerConfig {
+
+..........
+
+}
+```
+
+编写SchedulerConfig类-属性
+
+``` java
+  //是否记录日志
+  @NotNull
+  private Boolean logFlag = true;
+  //是否记录详细日志
+  @NotNull
+  private Boolean logDetailFlag = false;
+  //是否自动启动
+  @NotNull
+  private Boolean autoStartup = true;
+  //是否覆盖已经存在的jobs
+  @NotNull
+  private Boolean overwriteExistingJobs = true;
+  //延迟启动秒数
+  @NotNull
+  private Integer startupDelay = 0;
+  //Job接受applicationContext的成员变量名
+  @NotNull
+  private String applicationContextSchedulerContextKey = "applicationContext";
+  //quartz配置文件地址
+  @NotNull
+  private String quartzPropertiesPath = "def_quartz.properties";
+```
+
+编写SchedulerConfig类-编写bean
+
+``` java
+  @Bean
+  public JobFactory jobFactory(ApplicationContext applicationContext) {
+    AutowiringSpringBeanJobFactory jobFactory = new AutowiringSpringBeanJobFactory();
+    jobFactory.setApplicationContext(applicationContext);
+    return jobFactory;
+  }
+  
+  @Bean
+  public Properties quartzProperties() throws IOException {
+    PropertiesFactoryBean propertiesFactoryBean = new PropertiesFactoryBean();
+    propertiesFactoryBean.setLocation(new ClassPathResource(getQuartzPropertiesPath()));
+    propertiesFactoryBean.afterPropertiesSet();
+    return propertiesFactoryBean.getObject();
+  }
+  
+  @Bean("clusterQuartzScheduler")
+  public SchedulerFactoryBean schedulerFactoryBean(DataSource dataSource, JobFactory jobFactory,
+      Properties quartzProperties)
+      throws IOException {
+    //实例化
+    SchedulerFactoryBean factory = new SchedulerFactoryBean();
+    factory.setDataSource(dataSource);
+    factory.setJobFactory(jobFactory);
+    //属性设置
+    factory.setQuartzProperties(quartzProperties);
+    factory.setOverwriteExistingJobs(getOverwriteExistingJobs());
+    factory.setAutoStartup(getAutoStartup());
+    factory.setStartupDelay(getStartupDelay());
+    factory.setApplicationContextSchedulerContextKey(getApplicationContextSchedulerContextKey());
+    //返回
+    return factory;
+  }
+```
+
+编写def_quartz.properties配置文件
+
+``` properties
+#Configure scheduler
+org.quartz.scheduler.instanceName=clusterQuartzScheduler
+org.quartz.scheduler.instanceId=AUTO
+org.quartz.scheduler.skipUpdateCheck=true
+
+#Configure ThreadPool
+org.quartz.threadPool.class=org.quartz.simpl.SimpleThreadPool
+org.quartz.threadPool.threadCount=5
+org.quartz.threadPool.threadPriority=5
+
+#Configure JobStore and Cluster
+org.quartz.jobStore.class=org.quartz.impl.jdbcjobstore.JobStoreTX
+org.quartz.jobStore.driverDelegateClass=org.quartz.impl.jdbcjobstore.StdJDBCDelegate
+org.quartz.jobStore.useProperties=true
+org.quartz.jobStore.tablePrefix=QRTZ_
+org.quartz.jobStore.isClustered=true
+org.quartz.jobStore.clusterCheckinInterval=20000
+org.quartz.jobStore.misfireThreshold=60000
+```
+
+执行数据库脚本,以及数据库配置(按需,我这里选择的是h2)
+
+
+``` properties
+
+tables_h2.sql
+
+########################################################
+###DATASOURCE (DataSourceAutoConfiguration & DataSourceProperties)
+########################################################
+spring.datasource.url=jdbc:h2:file:D:/develop/d2_db/testdb
+
+```
+
+
+##结束
+
+以上演示了quartz在spring boot中的配置,在下一章里会聊一下通过RMS来实现分布式调度的调度器的设计.
+
+---------
+
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+
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+