zoukankan      html  css  js  c++  java
  • Spring Boot 整合Quartz定时器

    概述

      项目需要定时器的调度管理,原来使用Spring Boot自带的定时器,但是不能后台动态的操作暂停、启动以及新增任务等操作,维护起来相对麻烦;最近研究了Quartz的框架,觉得还算不错,整理了一下代码,整合到现有系统里面,整体效果如下图所示,记录操作流程如下文。

    数据库

      将Quartz依赖的数据库脚本提交现有项目数据库,脚本如下:

    DROP TABLE IF EXISTS QRTZ_FIRED_TRIGGERS;
    DROP TABLE IF EXISTS QRTZ_PAUSED_TRIGGER_GRPS;
    DROP TABLE IF EXISTS QRTZ_SCHEDULER_STATE;
    DROP TABLE IF EXISTS QRTZ_LOCKS;
    DROP TABLE IF EXISTS QRTZ_SIMPLE_TRIGGERS;
    DROP TABLE IF EXISTS QRTZ_SIMPROP_TRIGGERS;
    DROP TABLE IF EXISTS QRTZ_CRON_TRIGGERS;
    DROP TABLE IF EXISTS QRTZ_BLOB_TRIGGERS;
    DROP TABLE IF EXISTS QRTZ_TRIGGERS;
    DROP TABLE IF EXISTS QRTZ_JOB_DETAILS;
    DROP TABLE IF EXISTS QRTZ_CALENDARS;
     
     
    CREATE TABLE QRTZ_JOB_DETAILS
      (
        SCHED_NAME VARCHAR(120) NOT NULL,
        JOB_NAME  VARCHAR(200) NOT NULL,
        JOB_GROUP VARCHAR(200) NOT NULL,
        DESCRIPTION VARCHAR(250) NULL,
        JOB_CLASS_NAME   VARCHAR(250) NOT NULL,
        IS_DURABLE VARCHAR(1) NOT NULL,
        IS_NONCONCURRENT VARCHAR(1) NOT NULL,
        IS_UPDATE_DATA VARCHAR(1) NOT NULL,
        REQUESTS_RECOVERY VARCHAR(1) NOT NULL,
        JOB_DATA BLOB NULL,
        PRIMARY KEY (SCHED_NAME,JOB_NAME,JOB_GROUP)
    );
     
    CREATE TABLE QRTZ_TRIGGERS
      (
        SCHED_NAME VARCHAR(120) NOT NULL,
        TRIGGER_NAME VARCHAR(200) NOT NULL,
        TRIGGER_GROUP VARCHAR(200) NOT NULL,
        JOB_NAME  VARCHAR(200) NOT NULL,
        JOB_GROUP VARCHAR(200) NOT NULL,
        DESCRIPTION VARCHAR(250) NULL,
        NEXT_FIRE_TIME BIGINT(13) NULL,
        PREV_FIRE_TIME BIGINT(13) NULL,
        PRIORITY INTEGER NULL,
        TRIGGER_STATE VARCHAR(16) NOT NULL,
        TRIGGER_TYPE VARCHAR(8) NOT NULL,
        START_TIME BIGINT(13) NOT NULL,
        END_TIME BIGINT(13) NULL,
        CALENDAR_NAME VARCHAR(200) NULL,
        MISFIRE_INSTR SMALLINT(2) NULL,
        JOB_DATA BLOB NULL,
        PRIMARY KEY (SCHED_NAME,TRIGGER_NAME,TRIGGER_GROUP),
        FOREIGN KEY (SCHED_NAME,JOB_NAME,JOB_GROUP)
            REFERENCES QRTZ_JOB_DETAILS(SCHED_NAME,JOB_NAME,JOB_GROUP)
    );
     
    CREATE TABLE QRTZ_SIMPLE_TRIGGERS
      (
        SCHED_NAME VARCHAR(120) NOT NULL,
        TRIGGER_NAME VARCHAR(200) NOT NULL,
        TRIGGER_GROUP VARCHAR(200) NOT NULL,
        REPEAT_COUNT BIGINT(7) NOT NULL,
        REPEAT_INTERVAL BIGINT(12) NOT NULL,
        TIMES_TRIGGERED BIGINT(10) NOT NULL,
        PRIMARY KEY (SCHED_NAME,TRIGGER_NAME,TRIGGER_GROUP),
        FOREIGN KEY (SCHED_NAME,TRIGGER_NAME,TRIGGER_GROUP)
            REFERENCES QRTZ_TRIGGERS(SCHED_NAME,TRIGGER_NAME,TRIGGER_GROUP)
    );
     
    CREATE TABLE QRTZ_CRON_TRIGGERS
      (
        SCHED_NAME VARCHAR(120) NOT NULL,
        TRIGGER_NAME VARCHAR(200) NOT NULL,
        TRIGGER_GROUP VARCHAR(200) NOT NULL,
        CRON_EXPRESSION VARCHAR(200) NOT NULL,
        TIME_ZONE_ID VARCHAR(80),
        PRIMARY KEY (SCHED_NAME,TRIGGER_NAME,TRIGGER_GROUP),
        FOREIGN KEY (SCHED_NAME,TRIGGER_NAME,TRIGGER_GROUP)
            REFERENCES QRTZ_TRIGGERS(SCHED_NAME,TRIGGER_NAME,TRIGGER_GROUP)
    );
     
    CREATE TABLE QRTZ_SIMPROP_TRIGGERS
      (          
        SCHED_NAME VARCHAR(120) NOT NULL,
        TRIGGER_NAME VARCHAR(200) NOT NULL,
        TRIGGER_GROUP VARCHAR(200) NOT NULL,
        STR_PROP_1 VARCHAR(512) NULL,
        STR_PROP_2 VARCHAR(512) NULL,
        STR_PROP_3 VARCHAR(512) NULL,
        INT_PROP_1 INT NULL,
        INT_PROP_2 INT NULL,
        LONG_PROP_1 BIGINT NULL,
        LONG_PROP_2 BIGINT NULL,
        DEC_PROP_1 NUMERIC(13,4) NULL,
        DEC_PROP_2 NUMERIC(13,4) NULL,
        BOOL_PROP_1 VARCHAR(1) NULL,
        BOOL_PROP_2 VARCHAR(1) NULL,
        PRIMARY KEY (SCHED_NAME,TRIGGER_NAME,TRIGGER_GROUP),
        FOREIGN KEY (SCHED_NAME,TRIGGER_NAME,TRIGGER_GROUP) 
        REFERENCES QRTZ_TRIGGERS(SCHED_NAME,TRIGGER_NAME,TRIGGER_GROUP)
    );
     
    CREATE TABLE QRTZ_BLOB_TRIGGERS
      (
        SCHED_NAME VARCHAR(120) NOT NULL,
        TRIGGER_NAME VARCHAR(200) NOT NULL,
        TRIGGER_GROUP VARCHAR(200) NOT NULL,
        BLOB_DATA BLOB NULL,
        PRIMARY KEY (SCHED_NAME,TRIGGER_NAME,TRIGGER_GROUP),
        FOREIGN KEY (SCHED_NAME,TRIGGER_NAME,TRIGGER_GROUP)
            REFERENCES QRTZ_TRIGGERS(SCHED_NAME,TRIGGER_NAME,TRIGGER_GROUP)
    );
     
    CREATE TABLE QRTZ_CALENDARS
      (
        SCHED_NAME VARCHAR(120) NOT NULL,
        CALENDAR_NAME  VARCHAR(200) NOT NULL,
        CALENDAR BLOB NOT NULL,
        PRIMARY KEY (SCHED_NAME,CALENDAR_NAME)
    );
     
    CREATE TABLE QRTZ_PAUSED_TRIGGER_GRPS
      (
        SCHED_NAME VARCHAR(120) NOT NULL,
        TRIGGER_GROUP  VARCHAR(200) NOT NULL, 
        PRIMARY KEY (SCHED_NAME,TRIGGER_GROUP)
    );
     
    CREATE TABLE QRTZ_FIRED_TRIGGERS
      (
        SCHED_NAME VARCHAR(120) NOT NULL,
        ENTRY_ID VARCHAR(95) NOT NULL,
        TRIGGER_NAME VARCHAR(200) NOT NULL,
        TRIGGER_GROUP VARCHAR(200) NOT NULL,
        INSTANCE_NAME VARCHAR(200) NOT NULL,
        FIRED_TIME BIGINT(13) NOT NULL,
        SCHED_TIME BIGINT(13) NOT NULL,
        PRIORITY INTEGER NOT NULL,
        STATE VARCHAR(16) NOT NULL,
        JOB_NAME VARCHAR(200) NULL,
        JOB_GROUP VARCHAR(200) NULL,
        IS_NONCONCURRENT VARCHAR(1) NULL,
        REQUESTS_RECOVERY VARCHAR(1) NULL,
        PRIMARY KEY (SCHED_NAME,ENTRY_ID)
    );
     
    CREATE TABLE QRTZ_SCHEDULER_STATE
      (
        SCHED_NAME VARCHAR(120) NOT NULL,
        INSTANCE_NAME VARCHAR(200) NOT NULL,
        LAST_CHECKIN_TIME BIGINT(13) NOT NULL,
        CHECKIN_INTERVAL BIGINT(13) NOT NULL,
        PRIMARY KEY (SCHED_NAME,INSTANCE_NAME)
    );
     
    CREATE TABLE QRTZ_LOCKS
      (
        SCHED_NAME VARCHAR(120) NOT NULL,
        LOCK_NAME  VARCHAR(40) NOT NULL, 
        PRIMARY KEY (SCHED_NAME,LOCK_NAME)
    );
     
     
    commit;
    View Code

    代码编写

    添加Maven依赖包

            <dependency>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-starter-quartz</artifactId>
                <version>RELEASE</version>
            </dependency>

    添加Quartz配置类

    1>、QuartzJobFactory.JAVA(注册JOB工厂类,主要是为了集成Sping Boot的注解管理类使用)

    package com.dbgo.quartzdemo.config;
    
    import org.quartz.spi.TriggerFiredBundle;
    import org.springframework.beans.factory.annotation.Autowired;
    import org.springframework.beans.factory.config.AutowireCapableBeanFactory;
    import org.springframework.scheduling.quartz.AdaptableJobFactory;
    import org.springframework.stereotype.Component;
    
    @Component
    public class QuartzJobFactory extends AdaptableJobFactory {
    
        /**
         * AutowireCapableBeanFactory接口是BeanFactory的子类
         * 可以连接和填充那些生命周期不被Spring管理的已存在的bean实例
         * 具体请参考:http://blog.csdn.net/iycynna_123/article/details/52993542
         */
        @Autowired
        private AutowireCapableBeanFactory capableBeanFactory;
    
        /**
         * 创建Job实例
         *
         * @param bundle
         * @return
         * @throws Exception
         */
        @Override
        protected Object createJobInstance(TriggerFiredBundle bundle) throws Exception {
            // 实例化对象
            Object jobInstance = super.createJobInstance(bundle);
            // 进行注入(Spring管理该Bean)
            capableBeanFactory.autowireBean(jobInstance);
            //返回对象
            return jobInstance;
        }
    }
    View Code

    2>、SchedulerConfig.JAVA(注册调度框架的实例,配置依赖的JobFactory和属性)

    package com.dbgo.quartzdemo.config;
    
    import org.springframework.beans.factory.annotation.Autowired;
    import org.springframework.beans.factory.config.PropertiesFactoryBean;
    import org.springframework.context.annotation.Bean;
    import org.springframework.context.annotation.Configuration;
    import org.springframework.core.io.ClassPathResource;
    import org.springframework.scheduling.quartz.SchedulerFactoryBean;
    
    import java.io.IOException;
    import java.util.Properties;
    
    @Configuration
    public class SchedulerConfig {
    
        @Autowired
        private QuartzJobFactory quartzJobFactory;
    
    
        @Bean(name = "quartzScheduler")
        public SchedulerFactoryBean schedulerFactoryBean() throws IOException {
            SchedulerFactoryBean factory = new SchedulerFactoryBean();
            //用于quartz集群,QuartzScheduler 启动时更新己存在的Job,这样就不用每次修改targetObject后删除qrtz_job_details表对应记录了
            //factory.setOverwriteExistingJobs(true);
            //QuartzScheduler 延时启动,应用启动完10秒后 QuartzScheduler 再启动
            factory.setStartupDelay(20);
            factory.setAutoStartup(true);
            factory.setOverwriteExistingJobs(true);
            factory.setQuartzProperties(quartzProperties());  //作业及数据源配置信息
           // 自定义Job Factory,用于Spring注入  service,bin等
    
           factory.setJobFactory(quartzJobFactory);
    
            return factory;
        }
    
        @Bean
        public Properties quartzProperties() throws IOException {
            PropertiesFactoryBean propertiesFactoryBean = new PropertiesFactoryBean();
            propertiesFactoryBean.setLocation(new ClassPathResource("/quartz.properties"));
            //在quartz.properties中的属性被读取并注入后再初始化对象
            propertiesFactoryBean.afterPropertiesSet();
            return propertiesFactoryBean.getObject();
        }
    }
    View Code

    3>、DruidConnectionProvider.JAVA(配置Quartz的数据库连接,读取项目下的quartz.properties文件属性)

    package com.dbgo.quartzdemo.config;
    
    
    import java.sql.Connection;
    import java.sql.SQLException;
    import org.quartz.SchedulerException;
    import org.quartz.utils.ConnectionProvider;
    
    import com.alibaba.druid.pool.DruidDataSource;
    
    public class DruidConnectionProvider implements ConnectionProvider {
    
        //JDBC驱动
        public String driver;
        //JDBC连接串
        public String URL;
        //数据库用户名
        public String user;
        //数据库用户密码
        public String password;
        //数据库最大连接数
        public int maxConnection;
        //数据库SQL查询每次连接返回执行到连接池,以确保它仍然是有效的。
        public String validationQuery;
        private boolean validateOnCheckout;
        private int idleConnectionValidationSeconds;
        public String maxCachedStatementsPerConnection;
        private String discardIdleConnectionsSeconds;
        public static final int DEFAULT_DB_MAX_CONNECTIONS = 10;
        public static final int DEFAULT_DB_MAX_CACHED_STATEMENTS_PER_CONNECTION = 120;
        //Druid连接池
        private DruidDataSource datasource;
        /*
         * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
         *
         * 接口实现
         *
         * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
         */
        public Connection getConnection() throws SQLException {
            return datasource.getConnection();
        }
        public void shutdown() throws SQLException {
            datasource.close();
        }
        public void initialize() throws SQLException{
            if (this.URL == null) {
                throw new SQLException("DBPool could not be created: DB URL cannot be null");
            }
            if (this.driver == null) {
                throw new SQLException("DBPool driver could not be created: DB driver class name cannot be null!");
            }
            if (this.maxConnection < 0) {
                throw new SQLException("DBPool maxConnectins could not be created: Max connections must be greater than zero!");
            }
            datasource = new DruidDataSource();
            try{
                datasource.setDriverClassName(this.driver);
            } catch (Exception e) {
                try {
                    throw new SchedulerException("Problem setting driver class name on datasource: " + e.getMessage(), e);
                } catch (SchedulerException e1) {
                }
            }
            datasource.setUrl(this.URL);
            datasource.setUsername(this.user);
            datasource.setPassword(this.password);
            datasource.setMaxActive(this.maxConnection);
            datasource.setMinIdle(1);
            datasource.setMaxWait(0);
            datasource.setMaxPoolPreparedStatementPerConnectionSize(DEFAULT_DB_MAX_CONNECTIONS);
            if (this.validationQuery != null) {
                datasource.setValidationQuery(this.validationQuery);
                if(!this.validateOnCheckout)
                    datasource.setTestOnReturn(true);
                else
                    datasource.setTestOnBorrow(true);
                datasource.setValidationQueryTimeout(this.idleConnectionValidationSeconds);
            }
        }
        /*
         * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
         *
         * 提供get set方法
         *
         * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
         */
        public String getDriver() {
            return driver;
        }
        public void setDriver(String driver) {
            this.driver = driver;
        }
        public String getURL() {
            return URL;
        }
        public void setURL(String URL) {
            this.URL = URL;
        }
        public String getUser() {
            return user;
        }
        public void setUser(String user) {
            this.user = user;
        }
        public String getPassword() {
            return password;
        }
        public void setPassword(String password) {
            this.password = password;
        }
        public int getMaxConnection() {
            return maxConnection;
        }
        public void setMaxConnection(int maxConnection) {
            this.maxConnection = maxConnection;
        }
        public String getValidationQuery() {
            return validationQuery;
        }
        public void setValidationQuery(String validationQuery) {
            this.validationQuery = validationQuery;
        }
        public boolean isValidateOnCheckout() {
            return validateOnCheckout;
        }
        public void setValidateOnCheckout(boolean validateOnCheckout) {
            this.validateOnCheckout = validateOnCheckout;
        }
        public int getIdleConnectionValidationSeconds() {
            return idleConnectionValidationSeconds;
        }
        public void setIdleConnectionValidationSeconds(int idleConnectionValidationSeconds) {
            this.idleConnectionValidationSeconds = idleConnectionValidationSeconds;
        }
        public DruidDataSource getDatasource() {
            return datasource;
        }
        public void setDatasource(DruidDataSource datasource) {
            this.datasource = datasource;
        }
        public String getDiscardIdleConnectionsSeconds() {
            return discardIdleConnectionsSeconds;
        }
        public void setDiscardIdleConnectionsSeconds(String discardIdleConnectionsSeconds) {
            this.discardIdleConnectionsSeconds = discardIdleConnectionsSeconds;
        }
    
    }
    View Code

    4>、添加定时任务DEMO(这个Demo仅仅模拟正常业务工作的Job,项目写Job的时候可以参考)

    package com.dbgo.quartzdemo.job;
    
    import java.util.Date;
    
    import org.apache.jasper.tagplugins.jstl.core.Catch;
    import org.quartz.DisallowConcurrentExecution;
    import org.quartz.Job;
    import org.quartz.JobExecutionContext;
    import org.quartz.JobExecutionException;
    import org.springframework.stereotype.Component;
    
    @Component
    //@DisallowConcurrentExecution //保证上一次任务执行完毕再执行下一任务
    public class HelloWorldJob implements Job{
    
        
        /**
         * "0/10 * * * * ?  
         */
        @Override
        public void execute(JobExecutionContext arg0) throws JobExecutionException {
            try {
    
    
                System.out.println("----START---hello world---" + new Date());
                Thread.sleep(9*1000);
                System.out.println("----END---hello world---" + new Date());
            } catch (Exception ex) {
            }
    
        }
    
    }
    View Code

    添加Quartz服务类

    1>、QuartzService.java的接口

    package com.dbgo.quartzdemo.domain.api;
    
    public interface QuartzService {
    
        /**
         * addJob(方法描述:添加一个定时任务) <br />
         * (方法适用条件描述: – 可选)
         * 
         * @param jobName
         *            作业名称
         * @param jobGroupName
         *            作业组名称
         * @param triggerName
         *            触发器名称
         * @param triggerGroupName
         *            触发器组名称
         * @param cls
         *            定时任务的class
         * @param cron
         *            时间表达式 void
         * @exception
         * @since 1.0.0
         */
        public void addJob(String jobName, String jobGroupName, String triggerName, String triggerGroupName, Class cls, String cron);
    
        /**
         * 
         * @param oldjobName 原job name
         * @param oldjobGroup 原job group
         * @param oldtriggerName 原 trigger name
         * @param oldtriggerGroup 原 trigger group
         * @param jobName
         * @param jobGroup
         * @param triggerName
         * @param triggerGroup
         * @param cron
         */
        public boolean modifyJobTime(String oldjobName, String oldjobGroup, String oldtriggerName, String oldtriggerGroup, String jobName, String jobGroup, String triggerName, String triggerGroup, String cron);
    
        /**
         * 修改触发器调度时间
         * @param triggerName  触发器名称
         * @param triggerGroupName  触发器组名称
         * @param cron cron表达式
         */
        public void modifyJobTime(String triggerName,
                                  String triggerGroupName, String cron);
    
        
        /**
         * 暂停指定的任务
         * @param jobName 任务名称
         * @param jobGroupName 任务组名称 
         * @return
         */
        public void pauseJob(String jobName, String jobGroupName);
        
        /**
         * 恢复指定的任务
         * @param jobName 任务名称
         * @param jobGroupName 任务组名称 
         * @return
         */
        public void resumeJob(String jobName, String jobGroupName);
        
        /**
         * 删除指定组任务
         * @param jobName 作业名称
         * @param jobGroupName 作业组名称
         * @param triggerName 触发器名称
         * @param triggerGroupName 触发器组名称
         */
        public void removeJob(String jobName, String jobGroupName,
                              String triggerName, String triggerGroupName);
    
        
        /**
         * 开始所有定时任务。启动调度器
         */
        public void startSchedule();
    
        /**
         * 关闭调度器
         */
        public void shutdownSchedule();
    }
    View Code

    2>、QuartzServiceImpl.java的接口实现类

    package com.dbgo.quartzdemo.domain.server;
    
    import com.dbgo.quartzdemo.domain.api.QuartzService;
    import org.quartz.CronScheduleBuilder;
    import org.quartz.CronTrigger;
    import org.quartz.JobBuilder;
    import org.quartz.JobDetail;
    import org.quartz.JobKey;
    import org.quartz.Scheduler;
    import org.quartz.SchedulerException;
    import org.quartz.TriggerBuilder;
    import org.quartz.TriggerKey;
    import org.quartz.impl.StdSchedulerFactory;
    import org.springframework.beans.factory.annotation.Autowired;
    import org.springframework.stereotype.Service;
    
    @Service("quartzService")
    public class QuartzServiceImpl implements QuartzService {
        
        @Autowired
        private Scheduler quartzScheduler;
        
        @Override
        public void addJob(String jobName, String jobGroupName, String triggerName,
                String triggerGroupName, Class cls, String cron) {
            try {
                // 获取调度器
                Scheduler sched = quartzScheduler;
                // 创建一项作业
                JobDetail job = JobBuilder.newJob(cls)
                        .withIdentity(jobName, jobGroupName).build();
                // 创建一个触发器
                CronTrigger trigger = TriggerBuilder.newTrigger()
                        .withIdentity(triggerName, triggerGroupName)
                        .withSchedule(CronScheduleBuilder.cronSchedule(cron))
                        .build();
    
                // 告诉调度器使用该触发器来安排作业
                sched.scheduleJob(job, trigger);
                // 启动
                if (!sched.isShutdown()) {
                    sched.start();
                }
            } catch (Exception e) {
                throw new RuntimeException(e);
            }
        }
        
        /**
         * 修改定时器任务信息
         */
        @Override
        public boolean modifyJobTime(String oldjobName, String oldjobGroup, String oldtriggerName, String oldtriggerGroup, String jobName, String jobGroup,
                String triggerName, String triggerGroup, String cron) {
            try {
                Scheduler sched = quartzScheduler;
                CronTrigger trigger = (CronTrigger) sched.getTrigger(TriggerKey
                        .triggerKey(oldtriggerName, oldtriggerGroup));
                if (trigger == null) {
                    return false;
                }
    
                JobKey jobKey = JobKey.jobKey(oldjobName, oldjobGroup);
                TriggerKey triggerKey = TriggerKey.triggerKey(oldtriggerName,
                        oldtriggerGroup);
    
                JobDetail job = sched.getJobDetail(jobKey);
                Class jobClass = job.getJobClass();
                // 停止触发器
                sched.pauseTrigger(triggerKey);
                // 移除触发器
                sched.unscheduleJob(triggerKey);
                // 删除任务
                sched.deleteJob(jobKey);
                
                addJob(jobName, jobGroup, triggerName, triggerGroup, jobClass,
                        cron);
                
                return true;
            } catch (Exception e) {
                throw new RuntimeException(e);
            }
            
        }
    
        @Override
        public void modifyJobTime(String triggerName, String triggerGroupName,
                String time) {
            try {
                Scheduler sched = quartzScheduler;
                CronTrigger trigger = (CronTrigger) sched.getTrigger(TriggerKey
                        .triggerKey(triggerName, triggerGroupName));
                if (trigger == null) {
                    return;
                }
                String oldTime = trigger.getCronExpression();
                if (!oldTime.equalsIgnoreCase(time)) {
                    CronTrigger ct = (CronTrigger) trigger;
                    // 修改时间
                    ct.getTriggerBuilder()
                            .withSchedule(CronScheduleBuilder.cronSchedule(time))
                            .build();
                    // 重启触发器
                    sched.resumeTrigger(TriggerKey.triggerKey(triggerName,
                            triggerGroupName));
                }
            } catch (Exception e) {
                throw new RuntimeException(e);
            }
        }
    
        @Override
        public void removeJob(String jobName, String jobGroupName,
                String triggerName, String triggerGroupName) {
            try {
                Scheduler sched = quartzScheduler;
                // 停止触发器
                sched.pauseTrigger(TriggerKey.triggerKey(triggerName,
                        triggerGroupName));
                // 移除触发器
                sched.unscheduleJob(TriggerKey.triggerKey(triggerName,
                        triggerGroupName));
                // 删除任务
                sched.deleteJob(JobKey.jobKey(jobName, jobGroupName));
            } catch (Exception e) {
                throw new RuntimeException(e);
            }
        }
    
        @Override
        public void startSchedule() {
            try {
                Scheduler sched = quartzScheduler;
                sched.start();
            } catch (Exception e) {
                throw new RuntimeException(e);
            }
        }
    
        @Override
        public void shutdownSchedule() {
            try {
                Scheduler sched = quartzScheduler;
                if (!sched.isShutdown()) {
                    sched.shutdown();
                }
            } catch (Exception e) {
                throw new RuntimeException(e);
            }
        }
    
        @Override
        public void pauseJob(String jobName, String jobGroupName) {
            try {
                quartzScheduler.pauseJob( JobKey.jobKey(jobName, jobGroupName));
            } catch (SchedulerException e) {
                e.printStackTrace();
            }
        
        }
    
        @Override
        public void resumeJob(String jobName, String jobGroupName) {
            try {
                quartzScheduler.resumeJob(JobKey.jobKey(jobName, jobGroupName));
            } catch (SchedulerException e) {
                e.printStackTrace();
            }
        }
    
        
    }
    View Code

    添加QuartzController以及WEB就在此忽略了,附件部分是项目的代码,仅供参考和学习;

    完整代码下载

  • 相关阅读:
    第二次
    第一次
    win下less自动编译脚本
    厦门攻略游记
    npm常用命令
    青岛旅行规划及玩后感
    kissynode run on windows解决方案,contextify nodejs windows solution
    win nodejs下 findit只返回第一个文件问题
    jetty自动添加path的问题
    微博输入框统计
  • 原文地址:https://www.cnblogs.com/xibei666/p/9685923.html
Copyright © 2011-2022 走看看