Activiti7体系架构

 <!--数据源-->
    <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource">
        <property name="driverClassName" value="com.mysql.jdbc.Driver"/>
        <property name="url" value="jdbc:mysql://localhost:3306/activiti-y2170"/>
        <property name="username" value="root"/>
        <property name="password" value="123"/>
    </bean>

    <!--配置Activiti使用的processEngine对象   默认命名为processEngineConfiguration-->
    <bean id="processEngineConfiguration" class="org.activiti.engine.impl.cfg.StandaloneProcessEngineConfiguration">
        <!--注入数据源-->
        <property name="dataSource" ref="dataSource"/>
        <!--配置数据源方式二：-->
        <!--<property name="jdbcDriver" value="com.mysql.jdbc.Driver"/>-->

        <!--指定数据库生成策略-->
        <property name="databaseSchemaUpdate" value="true"/>
    </bean>

# Set root category priority to INFO and its only appender to CONSOLE.
#log4j.rootCategory=INFO, CONSOLE            debug   info   warn error fatal
log4j.rootCategory=debug, CONSOLE, LOGFILE

# Set the enterprise logger category to FATAL and its only appender to CONSOLE.
log4j.logger.org.apache.axis.enterprise=FATAL, CONSOLE

# CONSOLE is set to be a ConsoleAppender using a PatternLayout.
log4j.appender.CONSOLE=org.apache.log4j.ConsoleAppender
log4j.appender.CONSOLE.layout=org.apache.log4j.PatternLayout
log4j.appender.CONSOLE.layout.ConversionPattern=%d{ISO8601} %-6r [%15.15t] %-5p %30.30c %x - %m\n

# LOGFILE is set to be a File appender using a PatternLayout.
log4j.appender.LOGFILE=org.apache.log4j.FileAppender
log4j.appender.LOGFILE.File=d:\axis.log
log4j.appender.LOGFILE.Append=true
log4j.appender.LOGFILE.layout=org.apache.log4j.PatternLayout
log4j.appender.LOGFILE.layout.ConversionPattern=%d{ISO8601} %-6r [%15.15t] %-5p %30.30c %x - %m\n

 @Test
    public void deployment(){
        //获取ProcessEngine对象   默认配置文件名称：activiti.cfg.xml  并且configuration的Bean实例ID为processEngineConfiguration
        ProcessEngine processEngine = ProcessEngines.getDefaultProcessEngine();
        //获取RepositoryService对象进行流程部署
        RepositoryService repositoryService = processEngine.getRepositoryService();
        //进行部署,将对应的流程定义文件生成到数据库当中，作为记录进行保存
        Deployment deployment = repositoryService.createDeployment()
                .addClasspathResource("bpmnfile/holiday.bpmn")     //加载流程文件
                .addClasspathResource("bpmnfile/holiday.png")
                .name("请假流程")       //设置流程名称
                .key("holidayKey")
                .deploy();              //部署

        //输出部署信息
        System.out.println("流程名称："+deployment.getName());
        System.out.println("流程ID："+deployment.getId());
        System.out.println("流程Key："+deployment.getKey());
    }

@Test
    public void startInstance(){
        //获取ProcessEngine对象   默认配置文件名称：activiti.cfg.xml  并且configuration的Bean实例ID为processEngineConfiguration
        ProcessEngine processEngine = ProcessEngines.getDefaultProcessEngine();
        //获取到RunimeService对象
        RuntimeService runtimeService=processEngine.getRuntimeService() ;
        //创建流程实例
        ProcessInstance holiday=runtimeService.startProcessInstanceByKey("holiday");
        //输出实例信息
        System.out.println("流程部署ID："+holiday.getDeploymentId());
        System.out.println("流程实例ID："+holiday.getId());
        System.out.println("活动 ID:"+holiday.getActivityId());
    }

 //查看代办任务
    @Test
    public void getTask(){
        //获取ProcessEngine对象   默认配置文件名称：activiti.cfg.xml  并且configuration的Bean实例ID为processEngineConfiguration
        ProcessEngine processEngine = ProcessEngines.getDefaultProcessEngine();
        //获取一个TaskService对象
        TaskService taskService=processEngine.getTaskService();
        //查询代办业务 createTaskQuery查询任务   taskCandidateOrAssigned查询任务执行者   processDefinitionKey：查询流程
        /**
         * taskCandidateOrAssigned匹配规则:1.Assigned   2.配置bpmn文件中定义的值
         * taskAssignee匹配规则:1.Assigned
         */
        List<Task> list=taskService.createTaskQuery().taskCandidateOrAssigned("lisi").processDefinitionKey("holiday").list();
        for (Task task:list){
            System.out.println("任务名称："+task.getName());
            System.out.println("任务执行人："+task.getAssignee());
            System.out.println("任务ID:"+task.getId());
            System.out.println("流程实例ID："+task.getProcessInstanceId());

        }
    }

 @Test
    public void completeTask(){
        //获取ProcessEngine对象   默认配置文件名称：activiti.cfg.xml  并且configuration的Bean实例ID为processEngineConfiguration
        ProcessEngine processEngine = ProcessEngines.getDefaultProcessEngine();
        //获取一个TaskService对象
        TaskService taskService=processEngine.getTaskService();
        //任务处理
        taskService.complete("2505");
    }

 //当业务流程结束后通过历史可以查看到已经走完的流程
    @Test
    public void getHistory(){
        //获取ProcessEngine对象   默认配置文件名称：activiti.cfg.xml  并且configuration的Bean实例ID为processEngineConfiguration
        ProcessEngine processEngine = ProcessEngines.getDefaultProcessEngine();
        //获取HistoryService接口
        HistoryService historyService = processEngine.getHistoryService();
        //获取历史任务
        HistoricActivityInstanceQuery historicActivityInstanceQuery = historyService.createHistoricActivityInstanceQuery();
        //获取指定流程实例的任务
        historicActivityInstanceQuery.processInstanceId("2501");
        //获取任务列表
        List<HistoricActivityInstance> list = historicActivityInstanceQuery.list();
        for (HistoricActivityInstance ai : list) {
            System.out.println("任务节点ID："+ai.getActivityId());
            System.out.println("任务节点名称："+ai.getActivityName());
            System.out.println("流程实例ID信息："+ai.getProcessDefinitionId());
            System.out.println("流程实例ID信息："+ai.getProcessInstanceId());
            System.out.println("==============================");
        }
    }