activiti排他网关ExclusiveGateWay
代码语言:javascript复制package cn.panda.g_exclusiveGateWay;
import java.io.InputStream;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.zip.ZipInputStream;
import org.activiti.engine.ProcessEngine;
import org.activiti.engine.ProcessEngines;
import org.activiti.engine.history.HistoricProcessInstance;
import org.activiti.engine.history.HistoricTaskInstance;
import org.activiti.engine.history.HistoricVariableInstance;
import org.activiti.engine.repository.Deployment;
import org.activiti.engine.runtime.ProcessInstance;
import org.activiti.engine.task.Task;
import org.junit.Test;
public class ExclusiveGateWayTest {
ProcessEngine processEngine = ProcessEngines.getDefaultProcessEngine();
/**
* 部署流程定义 (从inputStream)
*/
@Test
//key值相同 资源升级
public void deployementProcessDefinition_inputStream() {
//从当前文件夹查找
InputStream inputStreamBpmn =this.getClass().getResourceAsStream("exclusiveGateWay.bpmn");
InputStream inputStreamPng =this.getClass().getResourceAsStream("exclusiveGateWay.png");
Deployment deployment = processEngine.getRepositoryService()//与流程定义和部署相关的service
.createDeployment()//创建部署对象
.name("排他网关")//添加部署对象
.addInputStream("exclusiveGateWay.bpmn", inputStreamBpmn)
.addInputStream("exclusiveGateWay.png", inputStreamPng)
.deploy();//完成部署
System.out.println(deployment.getId());
System.out.println(deployment.getName());
}
/**
* 启动流程实例
*/
@Test
public void startProcessInstance() {
//使用key值启动 默认按照最新版本的流程定义启动
String processDefinitionKey="exclusiveGateWay";
ProcessInstance processInstance = processEngine.getRuntimeService()//与正在执行的流程实例和执行对象相关的Service
.startProcessInstanceByKey(processDefinitionKey);//使用流程定义的key启动流程实例 key对应bpmn文件的id属性值
System.out.println("流程实例id" processInstance.getId());//流程实例id
System.out.println("流程定义ID" processInstance.getProcessDefinitionId());//流程定义ID
}
/**
* 查询当前人的个人任务act_ru_task
*/
@Test
public void findMyPersonalTask() {
String assignee="赵六";
List<Task> list = processEngine.getTaskService()//与正在执行的任务管理相关的Service
.createTaskQuery()//创建任务查询对象
.taskAssignee(assignee)//指定个人任务
.orderByTaskCreateTime().asc()
.list();
if (list!=null&&list.size()>0) {
for (Task task : list) {
System.out.println("任务ID" task.getId());
System.out.println("任务名称" task.getName());
System.out.println("任务创建时间" task.getCreateTime());
System.out.println("任务的办理人" task.getAssignee());
System.out.println("流程实例id:" task.getProcessInstanceId());
System.out.println("执行对象id:" task.getExecutionId());
System.out.println("流程定义id:" task.getProcessDefinitionId());
}
}
}
/**
* 完成我的任务
*/
@Test
public void completeMyPersonalTask() {
String taskId = "4104";
Map<String, Object> variables = new HashMap<String, Object>();
variables.put("money", 200);
//完成任务同时 设置流程变量${money>1000}
processEngine.getTaskService()
.complete(taskId, variables);
System.out.println("完成任务 任务ID:" taskId);
}
}
bpmn:
由排他网关流出的顺序流都有个conditionExpression元素,在内部维护返回boolean类型的决策结果。
决策网关只会返回一条结果,当流程执行到排他网关时,流程引擎会自动检索网关出口,从上到下检索如果发现第一条决策结果为true或者没有设置条件的(默认为成立),则流出。