六）定时任务持久化

• If you‘re using JDBC-Jobstore, you will need a DataSource for its use.
• It is recommended that your DataSource max connection size be configured to be at least the number of worker threads in the thread pool plus three.

│  pom.xml
│
└─src
    └─main
        ├─java
        │  └─cn
        │      └─zno
        │          └─job
        │                  Breathe.java
        │                  Main.java
        │
        └─resources
                Beans-Quartz.xml
                db.properties
                quartz.properties
                tables_oracle.sql

项目地址：https://github.com/witaste/quartz.git

所需依赖：

<dependencies>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context</artifactId>
            <version>4.1.6.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context-support</artifactId>
            <version>4.1.6.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-jdbc</artifactId>
            <version>4.1.6.RELEASE</version>
        </dependency>
        <!-- 定时任务 -->
        <dependency>
            <groupId>org.quartz-scheduler</groupId>
            <artifactId>quartz</artifactId>
            <version>2.2.2</version>
        </dependency>
        <dependency>
            <groupId>org.quartz-scheduler</groupId>
            <artifactId>quartz-jobs</artifactId>
            <version>2.2.2</version>
        </dependency>
        <!-- ojdbc6 -->
        <dependency>
            <groupId>com.oracle</groupId>
            <artifactId>ojdbc6</artifactId>
            <version>11.2.0.3.0</version>
        </dependency>

        <!-- dbcp2 -->
        <dependency>
            <groupId>org.apache.commons</groupId>
            <artifactId>commons-dbcp2</artifactId>
            <version>2.1.1</version>
        </dependency>
    </dependencies>

Beans-Quartz.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns:task="http://www.springframework.org/schema/task"
    xmlns:context="http://www.springframework.org/schema/context"
    xmlns:util="http://www.springframework.org/schema/util"
   xsi:schemaLocation="http://www.springframework.org/schema/task http://www.springframework.org/schema/task/spring-task-4.1.xsd
        http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
        http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-4.1.xsd
        http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.1.xsd">

    <task:executor id="threadPoolTaskExecutor" pool-size="1" />
    <util:properties id="config" location="classpath:db.properties" />

    <bean id="dataSourceAlpha" class="org.apache.commons.dbcp2.BasicDataSource"
        destroy-method="close">
        <property name="driverClassName" value="#{config[‘jdbc.driverClassName‘]}" />
        <property name="url" value="#{config[‘jdbc.url‘]}" />
        <property name="username" value="#{config[‘jdbc.username‘]}" />
        <property name="password" value="#{config[‘jdbc.password‘]}" />
        <property name="defaultAutoCommit" value="true" />
    </bean>
    <bean class="org.springframework.scheduling.quartz.SchedulerFactoryBean">
        <property name="jobFactory">
            <bean class="org.springframework.scheduling.quartz.SpringBeanJobFactory" />
        </property>
        <property name="dataSource" ref="dataSourceAlpha" />
        <property name="configLocation" value="classpath:quartz.properties" />
        <property name="applicationContextSchedulerContextKey" value="applicationContextKey" />
        <property name="startupDelay" value="0" />
        <property name="overwriteExistingJobs" value="true" />
        <property name="exposeSchedulerInRepository" value="true" />
        <property name="taskExecutor" ref="threadPoolTaskExecutor" />
        <property name="triggers">
            <list>
                <ref bean="cronTrigger_1" />
            </list>
        </property>
    </bean>

    <bean id="cronTrigger_1"
        class="org.springframework.scheduling.quartz.CronTriggerFactoryBean">
        <property name="jobDetail" ref="jobDetail_1" />
        <property name="cronExpression" value="* * * * * ?" />
    </bean>
    <bean id="jobDetail_1"
        class="org.springframework.scheduling.quartz.JobDetailFactoryBean">
        <property name="jobClass" value="cn.zno.job.Breathe" />
    </bean>
    <bean id="breath" class="cn.zno.job.Breathe" />
</beans>

quartz.properties

#============================================================================
#                 Configure Main Scheduler Properties
#============================================================================
org.quartz.scheduler.instanceName = QuartzScheduler
org.quartz.scheduler.instanceId = AUTO
org.quartz.scheduler.skipUpdateCheck=true

#============================================================================
#                 Configure JobStore
#============================================================================
org.quartz.jobStore.class = org.quartz.impl.jdbcjobstore.JobStoreTX
org.quartz.jobStore.driverDelegateClass=org.quartz.impl.jdbcjobstore.oracle.OracleDelegate
org.quartz.jobStore.tablePrefix = QSMSE_

tables_oracle.sql

建好表

注意以下建议：

连接池的连接数 = threadPoolTaskExecutor + 3