定时器（quartz+spring）读取数据库配置

    今天把项目中的一部分移出来，主要是实现定时器任务，定时任务是从数据库配置的的，所以采用spring读取数据库配置文件来实现定时器。

需要的JAR包 见上传文件

数据建立  见上传文件

数据库映射类：

package com.quartz;



public class DbsynConfigQuartz {
   
    // Fields

    private String triggername;
    private String cronexpression;
    private String jobdetailname;
    private String targetobject;
    private String methodname;
    private String concurrent;
    private String state;
    private String readme;
    private String isspringbean;

    // Constructors

    /** default constructor */
    public DbsynConfigQuartz() {
    }

    /** minimal constructor */
    public DbsynConfigQuartz(String triggername, String jobdetailname,
            String targetobject, String concurrent, String state,String isspringbean) {
        this.triggername = triggername;
        this.jobdetailname = jobdetailname;
        this.targetobject = targetobject;
        this.concurrent = concurrent;
        this.state = state;
        this.isspringbean=isspringbean;
    }

    /** full constructor */
    public DbsynConfigQuartz(String triggername, String cronexpression,
            String jobdetailname, String targetobject, String methodname,
            String concurrent, String state, String readme,String isspringbean) {
        this.triggername = triggername;
        this.cronexpression = cronexpression;
        this.jobdetailname = jobdetailname;
        this.targetobject = targetobject;
        this.methodname = methodname;
        this.concurrent = concurrent;
        this.state = state;
        this.readme = readme;
        this.isspringbean=isspringbean;
    }

    // Property accessors

    public String getTriggername() {
        return this.triggername;
    }

    public void setTriggername(String triggername) {
        this.triggername = triggername;
    }

    public String getCronexpression() {
        return this.cronexpression;
    }

    public void setCronexpression(String cronexpression) {
        this.cronexpression = cronexpression;
    }

    public String getJobdetailname() {
        return this.jobdetailname;
    }

    public void setJobdetailname(String jobdetailname) {
        this.jobdetailname = jobdetailname;
    }

    public String getTargetobject() {
        return this.targetobject;
    }

    public void setTargetobject(String targetobject) {
        this.targetobject = targetobject;
    }

    public String getMethodname() {
        return this.methodname;
    }

    public void setMethodname(String methodname) {
        this.methodname = methodname;
    }

    public String getConcurrent() {
        return this.concurrent;
    }

    public void setConcurrent(String concurrent) {
        this.concurrent = concurrent;
    }

    public String getState() {
        return this.state;
    }

    public void setState(String state) {
        this.state = state;
    }

    public String getReadme() {
        return this.readme;
    }

    public void setReadme(String readme) {
        this.readme = readme;
    }

    public String getIsspringbean() {
        return isspringbean;
    }

    public void setIsspringbean(String isspringbean) {
        this.isspringbean = isspringbean;
    }
   


}

连接数据库公共方法：

package com.util;

import java.io.File;
import java.sql.BatchUpdateException;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.ResultSetMetaData;
import java.sql.SQLException;
import java.sql.Statement;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.apache.log4j.Logger;

public class Connect {

    private static int tag1 = 0;

    private static Logger log = Logger.getLogger(Connect.class);
    private static final SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");


    /**
     * 获得数据连接
     *
     * @return
     */
    public static Connection getCon(String name) {
        Connection connection = null;
        try {// 保证只进行一次初始化
            if (tag1 == 0) {
                tag1++;
                Class.forName("org.logicalcobwebs.proxool.ProxoolDriver");
            }
            connection = DriverManager.getConnection("proxool." + name);
        } catch (Exception e) {
            e.printStackTrace();
        }
        return connection;
    }

   
    }

读取定时器触发类：

package com.quartz;

import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.text.ParseException;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;

import org.apache.log4j.Logger;
import org.quartz.JobDetail;
import org.quartz.Scheduler;
import org.springframework.beans.BeansException;
import org.springframework.beans.factory.BeanFactory;
import org.springframework.beans.factory.BeanFactoryAware;
import org.springframework.scheduling.quartz.CronTriggerBean;
import org.springframework.scheduling.quartz.MethodInvokingJobDetailFactoryBean;

import com.util.Connect;

public class QuartzManager implements BeanFactoryAware {
    private Logger log = Logger.getLogger(QuartzManager.class);
    private Scheduler scheduler;
    private static BeanFactory beanFactory = null;

    // private ApplicationContext apc;

    @SuppressWarnings("unused")
    private void reScheduleJob() throws Exception, ParseException {
        // 通过查询数据库里计划任务来配置计划任务
        DbsynConfigQuartz d= new DbsynConfigQuartz();
        List<DbsynConfigQuartz> quartzList = this.getConfigQuartz();
        if (quartzList != null && quartzList.size() > 0) {
            for (DbsynConfigQuartz tbcq : quartzList) {
                configQuatrz(tbcq);
            }
        }
    }

    public boolean configQuatrz(DbsynConfigQuartz tbcq) {
        boolean result = false;
        try {
            // 运行时可通过动态注入的scheduler得到trigger
            CronTriggerBean trigger = (CronTriggerBean) scheduler.getTrigger(
                    tbcq.getTriggername(), Scheduler.DEFAULT_GROUP);
            // 如果计划任务已存在则调用修改方法
            if (trigger != null) {
                change(tbcq, trigger);
            } else {
                // 如果计划任务不存在并且数据库里的任务状态为可用时,则创建计划任务
                if (tbcq.getState().equals("1")) {
                    this.createCronTriggerBean(tbcq);
                }
            }
            result = true;
        } catch (Exception e) {
            result = false;
            e.printStackTrace();
        }

        return result;
    }

    public void change(DbsynConfigQuartz tbcq, CronTriggerBean trigger)
            throws Exception {
        // 如果任务为可用
        if (tbcq.getState().equals("1")) {
            // 判断从DB中取得的任务时间和现在的quartz线程中的任务时间是否相等
            // 如果相等，则表示用户并没有重新设定数据库中的任务时间，这种情况不需要重新rescheduleJob
            if (!trigger.getCronExpression().equalsIgnoreCase(
                    tbcq.getCronexpression())) {
                trigger.setCronExpression(tbcq.getCronexpression());
                scheduler.rescheduleJob(tbcq.getTriggername(),
                        Scheduler.DEFAULT_GROUP, trigger);
                log.info(new Date() + ": 更新" + tbcq.getTriggername() + "计划任务");
            }
        } else {
            // 不可用
            scheduler.pauseTrigger(trigger.getName(), trigger.getGroup());// 停止触发器
            scheduler.unscheduleJob(trigger.getName(), trigger.getGroup());// 移除触发器
            scheduler.deleteJob(trigger.getJobName(), trigger.getJobGroup());// 删除任务
            log.info(new Date() + ": 删除" + tbcq.getTriggername() + "计划任务");

        }

    }

    /**
     * 创建/添加计划任务
     *
     * @param tbcq
     *            计划任务配置对象
     * @throws Exception
     */
    public void createCronTriggerBean(DbsynConfigQuartz tbcq) throws Exception {
        // 新建一个基于Spring的管理Job类
        MethodInvokingJobDetailFactoryBean mjdfb = new MethodInvokingJobDetailFactoryBean();
        mjdfb.setName(tbcq.getJobdetailname());// 设置Job名称
        // 如果定义的任务类为Spring的定义的Bean则调用 getBean方法
        if (tbcq.getIsspringbean().equals("1")) {
            mjdfb.setTargetObject(beanFactory.getBean(tbcq.getTargetobject()));// 设置任务类
        } else {
            // 否则直接new对象
            mjdfb.setTargetObject(Class.forName(tbcq.getTargetobject())
                    .newInstance());// 设置任务类
        }

        mjdfb.setTargetMethod(tbcq.getMethodname());// 设置任务方法
        mjdfb.setConcurrent(tbcq.getConcurrent().equals("0") ? false : true); // 设置是否并发启动任务
        mjdfb.afterPropertiesSet();// 将管理Job类提交到计划管理类
        // 将Spring的管理Job类转为Quartz管理Job类
        JobDetail jobDetail = new JobDetail();
        jobDetail = (JobDetail) mjdfb.getObject();
        jobDetail.setName(tbcq.getJobdetailname());
        scheduler.addJob(jobDetail, true); // 将Job添加到管理类
        // 新一个基于Spring的时间类
        CronTriggerBean c = new CronTriggerBean();
        c.setCronExpression(tbcq.getCronexpression());// 设置时间表达式
        c.setName(tbcq.getTriggername());// 设置名称
        c.setJobDetail(jobDetail);// 注入Job
        c.setJobName(tbcq.getJobdetailname());// 设置Job名称
        scheduler.scheduleJob(c);// 注入到管理类
        scheduler.rescheduleJob(tbcq.getTriggername(), Scheduler.DEFAULT_GROUP,
                c);// 刷新管理类
        log.info(new Date() + ": 新建" + tbcq.getTriggername() + "计划任务");
    }


    /**
     * 查询数据库任务设置,返回列表
     *
     * @return 数据库任务设置列表
     */
    public List<DbsynConfigQuartz> getConfigQuartz() {
        List<DbsynConfigQuartz> result = new ArrayList<DbsynConfigQuartz>();
        Connection con = null;
        Statement smt = null;
        ResultSet rs = null;
       
        con = Connect.getCon("sys");
        try {
              if(con!=null) {
              smt = con.createStatement();
              con.setAutoCommit(false);
              rs  = smt
                        .executeQuery("select triggername,cronexpression,jobdetailname,targetobject,methodname,concurrent,state,readme,isspringbean from dbsyn_config_quartz");
              while (rs.next()) {
                    DbsynConfigQuartz tbcq = new DbsynConfigQuartz();
                    tbcq.setTriggername(rs.getString("triggername"));
                    tbcq.setCronexpression(rs.getString("cronexpression"));
                    tbcq.setJobdetailname(rs.getString("jobdetailname"));
                    tbcq.setTargetobject(rs.getString("targetobject"));
                    tbcq.setMethodname(rs.getString("methodname"));
                    tbcq.setConcurrent(rs.getString("concurrent"));
                    tbcq.setState(rs.getString("state"));
                    tbcq.setReadme(rs.getString("readme"));
                    tbcq.setIsspringbean(rs.getString("isspringbean"));
                    result.add(tbcq);
                }
                rs.close();
              }
              }catch (SQLException e) {
            e.printStackTrace();
        }finally{
            try {
                con.close();
            } catch (SQLException e) {
                e.printStackTrace();
            }
        }
        return result;
    }

    public Scheduler getScheduler() {
        return scheduler;
    }

    public void setScheduler(Scheduler scheduler) {
        this.scheduler = scheduler;
    }

    /*
     * public ApplicationContext getApc() { return apc; }
     *
     * public void setApc(ApplicationContext apc) { this.apc = apc; }
     */
    public void setBeanFactory(BeanFactory factory) throws BeansException {
        this.beanFactory = factory;

    }

    public BeanFactory getBeanFactory() {
        return beanFactory;
    }
  
}

定时器调用方法类：

package com.client;

import org.apache.log4j.Logger;

public class DrvServiceImpl {
    private static Logger log = Logger.getLogger(DrvServiceImpl.class);


    public void getHz() {
       
        System.out.println("调用成功");
   
        return;
    }
   
}

applicationContext-quartz.xml  配置定时器的spring文件

<?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:p="http://www.springframework.org/schema/p"
    xmlns:context="http://www.springframework.org/schema/context"
    xmlns:jee="http://www.springframework.org/schema/jee"
    xmlns:tx="http://www.springframework.org/schema/tx"
    xmlns:aop="http://www.springframework.org/schema/aop"
    xsi:schemaLocation="
            http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
            http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-2.5.xsd
            http://www.springframework.org/schema/jee http://www.springframework.org/schema/jee/spring-jee-2.5.xsd
            http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.5.xsd
            http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.5.xsd">
    <bean id="quartzManagerBean" class="com.quartz.QuartzManager">
        <property name="scheduler" ref="schedulerManager" />
    </bean>
    <bean id="quartzManagerJobDetail"
        class="org.springframework.scheduling.quartz.MethodInvokingJobDetailFactoryBean">
        <property name="targetObject" ref="quartzManagerBean" />
        <property name="targetMethod" value="reScheduleJob" />
        <property name="concurrent" value="false" />
    </bean>
    <!-- 主定时计划 -->
    <bean id="quartzManagerTrigger"
        class="org.springframework.scheduling.quartz.SimpleTriggerBean">
        <property name="jobDetail" ref="quartzManagerJobDetail" />
        <!-- 延时1分钟 执行任务 -->
        <property name="startDelay" value="1000" />
        <!-- 任务执行周期 5分钟 -->
        <property name="repeatInterval" value="6000" />
    </bean>
    <!-- 总管理类 如果将lazy-init='false'那么容器启动就会执行调度程序  -->
    <bean id="schedulerManager" lazy-init="false" autowire="no"
        class="org.springframework.scheduling.quartz.SchedulerFactoryBean">
        <property name="triggers">
            <list>
                <ref bean="quartzManagerTrigger" />
            </list>
        </property>
    </bean>
</beans>

proxool.xml数据库配置文件：

<?xml version="1.0" encoding="UTF-8"?>
<something-else-entirely>
    <proxool>
        <alias>sys</alias>
        <driver-url>
            jdbc:oracle:thin:@localhost:1521:ajhz
        </driver-url>
        <driver-class>oracle.jdbc.driver.OracleDriver</driver-class>
        <driver-properties>
            <property name="user" value="ajhz" />
            <property name="password" value="ajhz" />
            <property name="autoReconnect" value="true" />
        </driver-properties>
        <maximum-connection-count>70</maximum-connection-count>
        <minimum-connection-count>10</minimum-connection-count>
        <house-keeping-sleep-time>90000</house-keeping-sleep-time>
        <simultaneous-build-throttle>10</simultaneous-build-throttle>
        <prototype-count>5</prototype-count>
        <test-before-use>true</test-before-use>
        <house-keeping-test-sql>
            select sysdate from dual
        </house-keeping-test-sql>
        <verbose>true</verbose>
        <statistics>10s,1m,1d</statistics>
        <statistics-log-level>ERROR</statistics-log-level>
    </proxool>
   
</something-else-entirely>
log4j.properties日志配置文件：

log4j.rootLogger= info,logfile
log4j.appender.stdout=org.apache.log4j.ConsoleAppender
log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern=%d %p [%c] - <%m>%n
log4j.appender.logfile=org.apache.log4j.RollingFileAppender
#log4j.appender.logfile.File=${catalina.base}/webapps/zdin/zdin.log
log4j.appender.logfile.MaxFileSize=512KB
log4j.appender.logfile.MaxBackupIndex=100
log4j.appender.logfile.layout=org.apache.log4j.PatternLayout
log4j.appender.logfile.layout.ConversionPattern=%d %p [%c] - %m%n

web.xml配置文件

<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.4" xmlns="http://java.sun.com/xml/ns/j2ee"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee
    http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">
    <!-- proxool连接池 -->
    <servlet>
        <servlet-name>ServletConfigurator</servlet-name>
        <servlet-class>
            org.logicalcobwebs.proxool.configuration.ServletConfigurator
        </servlet-class>
        <init-param>
            <param-name>xmlFile</param-name>
            <param-value>WEB-INF/classes/proxool.xml</param-value>
        </init-param>
        <load-on-startup>1</load-on-startup>
    </servlet>
    <servlet>
        <servlet-name>Admin</servlet-name>
        <servlet-class>
            org.logicalcobwebs.proxool.admin.servlet.AdminServlet
        </servlet-class>
    </servlet>

    <servlet>
        <servlet-name>contextConfigLocation</servlet-name>
        <servlet-class>
            org.springframework.web.context.ContextLoaderServlet
        </servlet-class>
        <load-on-startup>2</load-on-startup>
    </servlet>
    <context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>classpath:applicationContext*.xml</param-value>
    </context-param>
   
    <welcome-file-list>
        <welcome-file>index.jsp</welcome-file>
    </welcome-file-list>
</web-app>

评论

1 楼 单v纯微笑 2016-10-23  

您好，能把dbsyn_config_quartz这个表发给我一份吗？最好是有几条数据的。谢谢！