xueli.xue
9 years ago
parent
9beda40926
commit
510b397ca7
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package com.xxl.job.dao;
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import com.xxl.job.dao.model.XxlJobInfo;
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/**
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* job log for glue
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* @author xuxueli 2016-5-19 18:04:56
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*/
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public interface IXxlJobInfoDao {
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public XxlJobInfo load(String jobGroup, String jobName);
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}
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package com.xxl.job.dao.impl;
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import java.util.HashMap;
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import javax.annotation.Resource;
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import org.mybatis.spring.SqlSessionTemplate;
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import org.springframework.stereotype.Repository;
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import com.xxl.job.dao.IXxlJobInfoDao;
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import com.xxl.job.dao.model.XxlJobInfo;
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/**
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* job log for glue
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* @author xuxueli 2016-5-19 18:17:52
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*/
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@Repository
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public class XxlJobInfoDaoImpl implements IXxlJobInfoDao {
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@Resource
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public SqlSessionTemplate sqlSessionTemplate;
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@Override
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public XxlJobInfo load(String jobGroup, String jobName) {
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HashMap<String, Object> params = new HashMap<String, Object>();
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params.put("jobGroup", jobGroup);
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params.put("jobName", jobName);
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return sqlSessionTemplate.selectOne("XxlJobInfoMapper.load", params);
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}
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}
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@ -0,0 +1,38 @@
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package com.xxl.job.dao.model;
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/**
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* xxl-job info
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* @author xuxueli 2016-5-19 17:57:46
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*/
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public class XxlJobInfo {
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private String jobGroup;
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private String jobName;
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private String glueSource;
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public String getJobGroup() {
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return jobGroup;
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}
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public void setJobGroup(String jobGroup) {
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this.jobGroup = jobGroup;
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}
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public String getJobName() {
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return jobName;
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}
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public void setJobName(String jobName) {
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this.jobName = jobName;
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}
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public String getGlueSource() {
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return glueSource;
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}
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public void setGlueSource(String glueSource) {
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this.glueSource = glueSource;
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}
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}
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package com.xxl.job.service.loader;
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import javax.annotation.Resource;
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import org.springframework.stereotype.Service;
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import com.xxl.job.client.glue.loader.GlueLoader;
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import com.xxl.job.dao.IXxlJobInfoDao;
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import com.xxl.job.dao.model.XxlJobInfo;
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@Service("dbGlueLoader")
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public class DbGlueLoader implements GlueLoader {
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@Resource
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private IXxlJobInfoDao xxlJobInfoDao;
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@Override
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public String load(String job_group, String job_name) {
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XxlJobInfo glue = xxlJobInfoDao.load(job_group, job_name);
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return glue!=null?glue.getGlueSource():null;
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}
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}
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<?xml version="1.0" encoding="UTF-8"?>
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<beans xmlns="http://www.springframework.org/schema/beans"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context"
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xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx"
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xsi:schemaLocation="
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http://www.springframework.org/schema/beans
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http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
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http://www.springframework.org/schema/context
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http://www.springframework.org/schema/context/spring-context-3.0.xsd
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http://www.springframework.org/schema/aop
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http://www.springframework.org/schema/aop/spring-aop-3.0.xsd
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http://www.springframework.org/schema/tx
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http://www.springframework.org/schema/tx/spring-tx-3.0.xsd">
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<context:component-scan base-package="com.xxl.job.service, com.xxl.job.dao" />
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<bean id="propertyConfigurer" class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
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<property name="fileEncoding" value="utf-8" />
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<property name="locations">
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<list>
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<value>classpath*:jdbc.properties</value>
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</list>
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</property>
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</bean>
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<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource" destroy-method="close">
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<property name="driverClass" value="${c3p0.driverClass}" />
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<property name="jdbcUrl" value="${c3p0.url}" />
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<property name="user" value="${c3p0.user}" />
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<property name="password" value="${c3p0.password}" />
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<property name="initialPoolSize" value="3" />
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<property name="minPoolSize" value="2" />
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<property name="maxPoolSize" value="10" />
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<property name="maxIdleTime" value="60" />
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<property name="acquireRetryDelay" value="1000" />
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<property name="acquireRetryAttempts" value="10" />
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<property name="preferredTestQuery" value="SELECT 1" />
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</bean>
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<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
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<property name="dataSource" ref="dataSource" />
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<property name="mapperLocations" value="classpath*:mybatis-mapper/*.xml"/>
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</bean>
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<!-- scope must be "prototype" when junit -->
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<bean id="sqlSessionTemplate" class="org.mybatis.spring.SqlSessionTemplate" scope="prototype">
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<constructor-arg index="0" ref="sqlSessionFactory" />
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</bean>
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</beans>
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c3p0.driverClass=com.mysql.jdbc.Driver
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c3p0.url=jdbc:mysql://localhost:3306/xxl-job?Unicode=true&characterEncoding=UTF-8
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c3p0.user=root
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c3p0.password=root_pwd
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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
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"http://mybatis.org/dtd/mybatis-3-mapper.dtd">
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<mapper namespace="XxlJobInfoMapper">
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<resultMap id="XxlJobInfo" type="com.xxl.job.dao.model.XxlJobInfo" >
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<result column="job_group" property="jobGroup" />
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<result column="job_name" property="jobName" />
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<result column="glue_source" property="glueSource" />
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</resultMap>
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<sql id="Base_Column_List">
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t.job_group,
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t.job_name,
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t.glue_source
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</sql>
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<select id="load" parameterType="java.util.HashMap" resultMap="XxlJobInfo">
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SELECT <include refid="Base_Column_List" />
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FROM xxl_job_qrtz_trigger_info AS t
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WHERE t.job_group = #{jobGroup}
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AND t.job_name = #{jobName}
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</select>
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</mapper>
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package com.xxl.job.client.glue;
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import java.lang.reflect.Field;
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import java.lang.reflect.Modifier;
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import javax.annotation.Resource;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.springframework.beans.BeansException;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.context.ApplicationContext;
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import org.springframework.context.ApplicationContextAware;
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import org.springframework.core.annotation.AnnotationUtils;
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import com.xxl.job.client.glue.cache.LocalCache;
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import com.xxl.job.client.glue.loader.GlueLoader;
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import com.xxl.job.client.handler.IJobHandler;
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import com.xxl.job.client.handler.IJobHandler.JobHandleStatus;
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import groovy.lang.GroovyClassLoader;
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/**
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* glue factory, product class/object by name
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* @author xuxueli 2016-1-2 20:02:27
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*/
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public class GlueFactory implements ApplicationContextAware {
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private static Logger logger = LoggerFactory.getLogger(GlueFactory.class);
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/**
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* groovy class loader
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*/
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private GroovyClassLoader groovyClassLoader = new GroovyClassLoader();
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/**
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* glue cache timeout / second
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*/
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private long cacheTimeout = 5000;
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public void setCacheTimeout(long cacheTimeout) {
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this.cacheTimeout = cacheTimeout;
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}
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/**
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* code source loader
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*/
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private GlueLoader glueLoader;
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public void setGlueLoader(GlueLoader glueLoader) {
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this.glueLoader = glueLoader;
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}
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// ----------------------------- spring support -----------------------------
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private static ApplicationContext applicationContext;
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private static GlueFactory glueFactory;
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@Override
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public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
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GlueFactory.applicationContext = applicationContext;
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GlueFactory.glueFactory = (GlueFactory) applicationContext.getBean("glueFactory");
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}
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/**
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* inject service of spring
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* @param instance
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*/
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public void injectService(Object instance){
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if (instance==null) {
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return;
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}
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Field[] fields = instance.getClass().getDeclaredFields();
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for (Field field : fields) {
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if (Modifier.isStatic(field.getModifiers())) {
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continue;
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}
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Object fieldBean = null;
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// with bean-id, bean could be found by both @Resource and @Autowired, or bean could only be found by @Autowired
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if (AnnotationUtils.getAnnotation(field, Resource.class) != null) {
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try {
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fieldBean = applicationContext.getBean(field.getName());
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} catch (Exception e) {
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}
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if (fieldBean==null ) {
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fieldBean = applicationContext.getBean(field.getType());
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}
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} else if (AnnotationUtils.getAnnotation(field, Autowired.class) != null) {
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fieldBean = applicationContext.getBean(field.getType());
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}
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if (fieldBean!=null) {
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field.setAccessible(true);
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try {
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field.set(instance, fieldBean);
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} catch (IllegalArgumentException e) {
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e.printStackTrace();
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} catch (IllegalAccessException e) {
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e.printStackTrace();
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}
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}
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}
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}
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// ----------------------------- load instance -----------------------------
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// load class,
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public static String generateClassCacheKey(String job_group, String job_name){
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return job_group.concat("_").concat(job_name).concat("_class");
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}
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public Class<?> loadClass(String job_group, String job_name) throws Exception{
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if (job_group==null || job_group.trim().length()==0 || job_name==null || job_name.trim().length()==0) {
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return null;
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}
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String cacheClassKey = generateClassCacheKey(job_group, job_name);
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Object cacheClass = LocalCache.getInstance().get(cacheClassKey);
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if (cacheClass != null) {
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return (Class<?>) cacheClass;
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}
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String codeSource = glueLoader.load(job_group, job_name);
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if (codeSource!=null && codeSource.trim().length()>0) {
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Class<?> clazz = groovyClassLoader.parseClass(codeSource);
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if (clazz!=null) {
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LocalCache.getInstance().set(cacheClassKey, clazz, cacheTimeout);
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logger.info(">>>>>>>>>>>> xxl-glue, fresh class, cacheClassKey:{}", cacheClassKey);
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return clazz;
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}
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}
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return null;
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}
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// load new instance, prototype
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public IJobHandler loadNewInstance(String job_group, String job_name) throws Exception{
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if (job_group==null || job_group.trim().length()==0 || job_name==null || job_name.trim().length()==0) {
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return null;
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}
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Class<?> clazz = loadClass(job_group, job_name);
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if (clazz!=null) {
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Object instance = clazz.newInstance();
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if (instance!=null) {
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if (!(instance instanceof IJobHandler)) {
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throw new IllegalArgumentException(">>>>>>>>>>> xxl-glue, loadNewInstance error, "
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+ "cannot convert from instance["+ instance.getClass() +"] to IJobHandler");
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}
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this.injectService(instance);
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return (IJobHandler) instance;
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}
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}
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throw new IllegalArgumentException(">>>>>>>>>>> xxl-glue, loadNewInstance error, instance is null");
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}
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// // load instance, singleton
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public static String generateInstanceCacheKey(String job_group, String job_name){
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return job_group.concat("_").concat(job_name).concat("_instance");
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}
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public IJobHandler loadInstance(String job_group, String job_name) throws Exception{
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if (job_group==null || job_group.trim().length()==0 || job_name==null || job_name.trim().length()==0) {
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return null;
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}
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String cacheInstanceKey = generateInstanceCacheKey(job_group, job_name);
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Object cacheInstance = LocalCache.getInstance().get(cacheInstanceKey);
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if (cacheInstance!=null) {
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if (!(cacheInstance instanceof IJobHandler)) {
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throw new IllegalArgumentException(">>>>>>>>>>> xxl-glue, loadInstance error, "
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+ "cannot convert from cacheClass["+ cacheInstance.getClass() +"] to IJobHandler");
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}
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return (IJobHandler) cacheInstance;
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}
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Object instance = loadNewInstance(job_group, job_name);
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if (instance!=null) {
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if (!(instance instanceof IJobHandler)) {
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throw new IllegalArgumentException(">>>>>>>>>>> xxl-glue, loadInstance error, "
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+ "cannot convert from instance["+ instance.getClass() +"] to IJobHandler");
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}
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LocalCache.getInstance().set(cacheInstanceKey, instance, cacheTimeout);
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logger.info(">>>>>>>>>>>> xxl-glue, fresh instance, cacheInstanceKey:{}", cacheInstanceKey);
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return (IJobHandler) instance;
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}
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throw new IllegalArgumentException(">>>>>>>>>>> xxl-glue, loadInstance error, instance is null");
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}
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// ----------------------------- util -----------------------------
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public static JobHandleStatus glue(String job_group, String job_name, String... params) throws Exception{
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return GlueFactory.glueFactory.loadInstance(job_group, job_name).handle(params);
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}
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}
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package com.xxl.job.client.glue.cache;
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/**
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* chche interface
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* @author xuxueli 2016-1-8 15:57:27
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*/
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public interface ICache {
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public boolean set(String key, Object value);
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public boolean set(String key, Object value, long timeout);
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public Object get(String key);
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public boolean remove(String key);
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}
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package com.xxl.job.client.glue.cache;
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import java.util.concurrent.ConcurrentHashMap;
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/**
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* local interface
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* @author Administrator
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*/
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public class LocalCache implements ICache{
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private static final LocalCache instance = new LocalCache();
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public static LocalCache getInstance(){
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return instance;
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}
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private static final ConcurrentHashMap<String, Object> cacheMap = new ConcurrentHashMap<String, Object>();
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private static final long CACHE_TIMEOUT = 5000;
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private static String makeTimKey(String key){
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return key.concat("_tim");
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}
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private static String makeDataKey(String key){
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return key.concat("_data");
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}
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@Override
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public boolean set(String key, Object value) {
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cacheMap.put(makeTimKey(key), System.currentTimeMillis() + CACHE_TIMEOUT);
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cacheMap.put(makeDataKey(key), value);
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return true;
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}
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@Override
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public boolean set(String key, Object value, long timeout) {
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cacheMap.put(makeTimKey(key), System.currentTimeMillis() + timeout);
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cacheMap.put(makeDataKey(key), value);
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return true;
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}
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@Override
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public Object get(String key) {
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Object tim = cacheMap.get(makeTimKey(key));
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if (tim != null && System.currentTimeMillis() < Long.parseLong(tim.toString())) {
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return cacheMap.get(makeDataKey(key));
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}
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return null;
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}
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@Override
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public boolean remove(String key) {
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cacheMap.remove(makeTimKey(key));
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cacheMap.remove(makeDataKey(key));
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return true;
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}
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public static void main(String[] args) {
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String key = "key01";
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System.out.println(LocalCache.getInstance().get(key));
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LocalCache.getInstance().set(key, "v1");
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System.out.println(LocalCache.getInstance().get(key));
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LocalCache.getInstance().set(key, "v2");
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System.out.println(LocalCache.getInstance().get(key));
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LocalCache.getInstance().remove(key);
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System.out.println(LocalCache.getInstance().get(key));
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}
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}
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@ -0,0 +1,16 @@
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package com.xxl.job.client.glue.loader;
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/**
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* code source loader
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* @author xuxueli 2016-1-2 20:01:39
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*/
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public interface GlueLoader {
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/**
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* load code source by name, ensure every load is the latest.
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* @param name
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* @return
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*/
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public String load(String job_group, String job_name);
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}
|
||||
@ -1,4 +1,4 @@
|
||||
package com.xxl.job.client.handler;
|
||||
package com.xxl.job.client.handler.annotation;
|
||||
|
||||
import java.lang.annotation.ElementType;
|
||||
import java.lang.annotation.Retention;
|
||||
@ -0,0 +1,24 @@
|
||||
package com.xxl.job.client.handler.impl;
|
||||
|
||||
import com.xxl.job.client.glue.GlueFactory;
|
||||
import com.xxl.job.client.handler.IJobHandler;
|
||||
|
||||
/**
|
||||
* glue job handler
|
||||
* @author xuxueli 2016-5-19 21:05:45
|
||||
*/
|
||||
public class GlueJobHandler extends IJobHandler {
|
||||
|
||||
private String job_group;
|
||||
private String job_name;
|
||||
public GlueJobHandler(String job_group, String job_name) {
|
||||
this.job_group = job_group;
|
||||
this.job_name = job_name;
|
||||
}
|
||||
|
||||
@Override
|
||||
public JobHandleStatus handle(String... params) throws Exception {
|
||||
return GlueFactory.glue(job_group, job_name, params);
|
||||
}
|
||||
|
||||
}
|
||||
Loading…
Reference in new issue