Activiti流程引擎实践-优快云博客

Activiti相关技术学习记录：

Activiti

SpringSource的首席技术官Adrian Coyler说道：”这是一个对Spring开发人员和Java社区总体的发展非常令人兴奋的事情，长期以来一直需要一个Apache许可的流程引擎，这对许多应用系统非常实用的需求。我们认为，Activiti作为新的应用领域扩展到的Java和开源的发展，特别是在云架构上”。

代码部分

java代码：


public void sayHelloToLeave(){
        ProcessEngine processEngine = ProcessEngineConfiguration.createStandaloneInMemProcessEngineConfiguration().buildProcessEngine();
        RepositoryService repositoryService = processEngine.getRepositoryService();
        String bpmnFileName = "act/sayHelloToLeave.bpmn";
        DeploymentBuilder deploymentBuilder = repositoryService.createDeployment();
        deploymentBuilder.addInputStream("sayHelloToLeave.bpmn",this.getClass().getClassLoader().getResourceAsStream(bpmnFileName)).deploy();
        /*Deployment deployment = deploymentBuilder.addClasspathResource("sayHelloToLeave").deploy();*/
        ProcessDefinition processDefinition = repositoryService.createProcessDefinitionQuery().singleResult();
        assertEquals("sayHelloToLeave", processDefinition.getKey());
        RuntimeService runtimeService = processEngine.getRuntimeService();
        Map<String,Object> variables = new HashMap<String, Object>();
        variables.put("applyUser","employee");
        variables.put("days","3");
        ProcessInstance processInstance = runtimeService.startProcessInstanceByKey("sayHelloToLeave",variables);
        assertNotNull(processInstance);
        System.out.print("pid" + processInstance.getId() + "pid" + processInstance.getProcessDefinitionId());
        TaskService taskService = processEngine.getTaskService();
        Task taskOfDeptLeader = taskService.createTaskQuery().taskCandidateGroup("deptLeader").singleResult();
        assertNotNull(taskOfDeptLeader);
        assertEquals("审批", taskOfDeptLeader.getName());
        taskService.claim(taskOfDeptLeader.getId(),"leaderUser");
        variables = new HashMap<String, Object>();
        variables.put("approved",true);
        taskService.complete(taskOfDeptLeader.getId(),variables);
        taskOfDeptLeader = taskService.createTaskQuery().taskCandidateGroup("deptLeader").singleResult();
        assertNotNull(taskOfDeptLeader);
        HistoryService historyService = processEngine.getHistoryService();
        long count = historyService.createHistoricActivityInstanceQuery().finished().count();
        assertEquals(1,count);
    }