Activiti学习笔记11 — 判断节点的使用

一、 创建流程

 1 <?xml version="1.0" encoding="UTF-8"?>
 2 <definitions xmlns="http://www.omg.org/spec/BPMN/20100524/MODEL" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:activiti="http://activiti.org/bpmn" xmlns:bpmndi="http://www.omg.org/spec/BPMN/20100524/DI" xmlns:omgdc="http://www.omg.org/spec/DD/20100524/DC" xmlns:omgdi="http://www.omg.org/spec/DD/20100524/DI" typeLanguage="http://www.w3.org/2001/XMLSchema" expressionLanguage="http://www.w3.org/1999/XPath" targetNamespace="http://www.activiti.org/test">
 3   <process id="确定旅游地点" name="确定旅游地点" isExecutable="true">
 4     <startEvent id="startevent1" name="Start"></startEvent>
 5     <receiveTask id="申请旅游经费" name="申请旅游经费"></receiveTask>
 6     <sequenceFlow id="flow1" sourceRef="startevent1" targetRef="申请旅游经费"></sequenceFlow>
 7     <exclusiveGateway id="exclusivegateway1" name="Exclusive Gateway" default="缺省值"></exclusiveGateway>
 8     <sequenceFlow id="flow2" sourceRef="申请旅游经费" targetRef="exclusivegateway1"></sequenceFlow>
 9     <receiveTask id="国外游" name="国外游"></receiveTask>
10     <receiveTask id="国内游" name="国内游"></receiveTask>
11     <receiveTask id="省内游" name="省内游"></receiveTask>
12     <sequenceFlow id="经费大于等于10000" name="经费大于等于10000" sourceRef="exclusivegateway1" targetRef="国外游">
13       <conditionExpression xsi:type="tFormalExpression"><![CDATA[${money >= 10000}]]></conditionExpression>
14     </sequenceFlow>
15     <sequenceFlow id="经费大于1000小于10000" name="经费大于1000小于10000" sourceRef="exclusivegateway1" targetRef="国内游" skipExpression="经费大于1000小于10000">
16       <conditionExpression xsi:type="tFormalExpression"><![CDATA[${money > 1000 && money < 10000}]]></conditionExpression>
17     </sequenceFlow>
18     <sequenceFlow id="缺省值" name="缺省值" sourceRef="exclusivegateway1" targetRef="省内游"></sequenceFlow>
19     <endEvent id="endevent1" name="End"></endEvent>
20     <sequenceFlow id="flow6" sourceRef="国外游" targetRef="endevent1"></sequenceFlow>
21     <sequenceFlow id="flow7" sourceRef="国内游" targetRef="endevent1"></sequenceFlow>
22     <sequenceFlow id="flow8" sourceRef="省内游" targetRef="endevent1"></sequenceFlow>
23   </process>
24   <bpmndi:BPMNDiagram id="BPMNDiagram_确定旅游地点">
25     <bpmndi:BPMNPlane bpmnElement="确定旅游地点" id="BPMNPlane_确定旅游地点">
26       <bpmndi:BPMNShape bpmnElement="startevent1" id="BPMNShape_startevent1">
27         <omgdc:Bounds height="35.0" width="35.0" x="350.0" y="50.0"></omgdc:Bounds>
28       </bpmndi:BPMNShape>
29       <bpmndi:BPMNShape bpmnElement="申请旅游经费" id="BPMNShape_申请旅游经费">
30         <omgdc:Bounds height="55.0" width="105.0" x="315.0" y="150.0"></omgdc:Bounds>
31       </bpmndi:BPMNShape>
32       <bpmndi:BPMNShape bpmnElement="exclusivegateway1" id="BPMNShape_exclusivegateway1">
33         <omgdc:Bounds height="40.0" width="40.0" x="347.0" y="260.0"></omgdc:Bounds>
34       </bpmndi:BPMNShape>
35       <bpmndi:BPMNShape bpmnElement="国外游" id="BPMNShape_国外游">
36         <omgdc:Bounds height="55.0" width="105.0" x="120.0" y="360.0"></omgdc:Bounds>
37       </bpmndi:BPMNShape>
38       <bpmndi:BPMNShape bpmnElement="国内游" id="BPMNShape_国内游">
39         <omgdc:Bounds height="55.0" width="105.0" x="315.0" y="360.0"></omgdc:Bounds>
40       </bpmndi:BPMNShape>
41       <bpmndi:BPMNShape bpmnElement="省内游" id="BPMNShape_省内游">
42         <omgdc:Bounds height="55.0" width="105.0" x="530.0" y="360.0"></omgdc:Bounds>
43       </bpmndi:BPMNShape>
44       <bpmndi:BPMNShape bpmnElement="endevent1" id="BPMNShape_endevent1">
45         <omgdc:Bounds height="35.0" width="35.0" x="350.0" y="490.0"></omgdc:Bounds>
46       </bpmndi:BPMNShape>
47       <bpmndi:BPMNEdge bpmnElement="flow1" id="BPMNEdge_flow1">
48         <omgdi:waypoint x="367.0" y="85.0"></omgdi:waypoint>
49         <omgdi:waypoint x="367.0" y="150.0"></omgdi:waypoint>
50       </bpmndi:BPMNEdge>
51       <bpmndi:BPMNEdge bpmnElement="flow2" id="BPMNEdge_flow2">
52         <omgdi:waypoint x="367.0" y="205.0"></omgdi:waypoint>
53         <omgdi:waypoint x="367.0" y="260.0"></omgdi:waypoint>
54       </bpmndi:BPMNEdge>
55       <bpmndi:BPMNEdge bpmnElement="经费大于等于10000" id="BPMNEdge_经费大于等于10000">
56         <omgdi:waypoint x="347.0" y="280.0"></omgdi:waypoint>
57         <omgdi:waypoint x="173.0" y="280.0"></omgdi:waypoint>
58         <omgdi:waypoint x="172.0" y="360.0"></omgdi:waypoint>
59         <bpmndi:BPMNLabel>
60           <omgdc:Bounds height="42.0" width="100.0" x="191.0" y="260.0"></omgdc:Bounds>
61         </bpmndi:BPMNLabel>
62       </bpmndi:BPMNEdge>
63       <bpmndi:BPMNEdge bpmnElement="经费大于1000小于10000" id="BPMNEdge_经费大于1000小于10000">
64         <omgdi:waypoint x="367.0" y="300.0"></omgdi:waypoint>
65         <omgdi:waypoint x="367.0" y="360.0"></omgdi:waypoint>
66         <bpmndi:BPMNLabel>
67           <omgdc:Bounds height="42.0" width="100.0" x="380.0" y="309.0"></omgdc:Bounds>
68         </bpmndi:BPMNLabel>
69       </bpmndi:BPMNEdge>
70       <bpmndi:BPMNEdge bpmnElement="缺省值" id="BPMNEdge_缺省值">
71         <omgdi:waypoint x="387.0" y="280.0"></omgdi:waypoint>
72         <omgdi:waypoint x="582.0" y="280.0"></omgdi:waypoint>
73         <omgdi:waypoint x="582.0" y="360.0"></omgdi:waypoint>
74         <bpmndi:BPMNLabel>
75           <omgdc:Bounds height="14.0" width="36.0" x="519.0" y="260.0"></omgdc:Bounds>
76         </bpmndi:BPMNLabel>
77       </bpmndi:BPMNEdge>
78       <bpmndi:BPMNEdge bpmnElement="flow6" id="BPMNEdge_flow6">
79         <omgdi:waypoint x="172.0" y="415.0"></omgdi:waypoint>
80         <omgdi:waypoint x="367.0" y="490.0"></omgdi:waypoint>
81       </bpmndi:BPMNEdge>
82       <bpmndi:BPMNEdge bpmnElement="flow7" id="BPMNEdge_flow7">
83         <omgdi:waypoint x="367.0" y="415.0"></omgdi:waypoint>
84         <omgdi:waypoint x="367.0" y="490.0"></omgdi:waypoint>
85       </bpmndi:BPMNEdge>
86       <bpmndi:BPMNEdge bpmnElement="flow8" id="BPMNEdge_flow8">
87         <omgdi:waypoint x="582.0" y="415.0"></omgdi:waypoint>
88         <omgdi:waypoint x="367.0" y="490.0"></omgdi:waypoint>
89       </bpmndi:BPMNEdge>
90     </bpmndi:BPMNPlane>
91   </bpmndi:BPMNDiagram>
92 </definitions>
View Code

二、发布流程

 1 /**
 2      * 2、发布一个流程
 3      */
 4     @Test
 5     public void  testDeployProcess() {
 6         RepositoryService repositoryService = processEngine.getRepositoryService();
 7         DeploymentBuilder builder = repositoryService.createDeployment();
 8         // 加载发布资源
 9         builder.name("判断分支结点流程测试") // 设置流程显示别名
10                 .addClasspathResource("travel.bpmn") // 设置流程规则文件
11                 .addClasspathResource("travel.png"); // 设置流程规则的图片
12         // 发布流程
13         builder.deploy();
14     }
View Code

三、运行、测试流程

 1     /**
 2      * 3、启动流程、执行任务，并查看状态
 3      */
 4     @Test
 5     public void testExcusiveGateway() {        
 6         // 获取服务对象的实例
 7         RuntimeService runtimeService = processEngine.getRuntimeService();
 8 
 9         String processDefinitionKey = "确定旅游地点";
10         // 自动执行与Key相对应的流程的最高版本
11         ProcessInstance processInstance = runtimeService.startProcessInstanceByKey(processDefinitionKey);        
12         
13         String processInstanceId = processInstance.getId();        
14         logger.info("processInstanceId:" + processInstance.getId());
15         
16         //获取当前流程下Execution对象
17         Execution e1 = runtimeService
18                                             .createExecutionQuery()
19                                             .processInstanceId(processInstanceId) //每个流程的唯一标识
20                                             .activityId("申请旅游经费")    //每个活动的唯一标识
21                                             .singleResult();
22         Assert.assertNotNull(e1);
23         //执行逻辑，请领导批示旅游经费
24         Double money =11500d;
25         //把金额放入变量中
26         runtimeService.setVariable(e1.getId(), "money", money);
27         logger.info("领导批示的旅游经费是: " + money);
28         
29         //推动流程流转
30         logger.info("executionId: " + e1.getId());
31         runtimeService.signal(e1.getId());
32         
33         if (money >= 10000d) {
34             Execution e2 = runtimeService
35                                         .createExecutionQuery()
36                                         .processInstanceId(processInstanceId) //每个流程的唯一标识
37                                         .activityId("国外游")    //每个活动的唯一标识
38                                         .singleResult();
39             Assert.assertNotNull(e2);
40             logger.info("由于领导指示的经费是：" + runtimeService.getVariable(e2.getId(), "money") + ",所以你可以国外游!" );
41             
42             //推动流程流转
43             runtimeService.signal(e2.getId());
44         } else if ( money > 1000d && money < 10000d ) {
45             Execution e2 = runtimeService
46                     .createExecutionQuery()
47                     .processInstanceId(processInstanceId) //每个流程的唯一标识
48                     .activityId("国内游")    //每个活动的唯一标识
49                     .singleResult();
50             Assert.assertNotNull(e2);
51             logger.info("由于领导指示的经费是：" + runtimeService.getVariable(e2.getId(), "money") + ",所以你可以国内游!" );
52             
53             //推动流程流转
54             runtimeService.signal(e2.getId());
55         } else {
56             Execution e2 = runtimeService
57                     .createExecutionQuery()
58                     .processInstanceId(processInstanceId) //每个流程的唯一标识
59                     .activityId("省内游")    //每个活动的唯一标识
60                     .singleResult();
61             Assert.assertNotNull(e2);
62             logger.info("由于领导指示的经费是：" + runtimeService.getVariable(e2.getId(), "money") + ",所以你可以省内游!" );
63             
64             //推动流程流转
65             runtimeService.signal(e2.getId());
66         }
67         
68         //检查结束状态
69         ProcessInstance pInstance = runtimeService
70                                                         .createProcessInstanceQuery()
71                                                         .processInstanceId(processInstanceId)
72                                                         .singleResult();
73         Assert.assertNull(pInstance);
74         logger.info("判断分支结点流程成功执行！");        
75     }
View Code

四、运行结果

[INFO][2015-12-02 14:39:58,335][com.mcs.activiti.test.TestExclusiveGateway]processInstanceId:170001
[INFO][2015-12-02 14:39:58,641][com.mcs.activiti.test.TestExclusiveGateway]领导批示的旅游经费是: 11500.0
[INFO][2015-12-02 14:39:58,642][com.mcs.activiti.test.TestExclusiveGateway]executionId: 170001
[INFO][2015-12-02 14:39:58,816][com.mcs.activiti.test.TestExclusiveGateway]由于领导指示的经费是：11500.0,所以你可以国外游!
[INFO][2015-12-02 14:39:58,914][com.mcs.activiti.test.TestExclusiveGateway]判断分支结点流程成功执行！

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原文地址：https://www.cnblogs.com/maocs/p/5012977.html