工作流Activiti的学习总结（十二） activiti官方十分钟快速学习 (zhuan)

http://topmanopensource.iteye.com/blog/1315341

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根据activiti官方提供的 编写 
      1.财务部门填写月财务报告
      2.股东审核月财务审计报告

流程图：

流程配置：

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: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://activiti.org/bpmn20">
3. <process id="financialReport" name="Monthly financial report reminder process">
4. <startEvent id="startevent1" name="月财务报告审核开始"></startEvent>
5. <!-- 采用用户组为accountancy编写财务报告  -->
6. <userTask id="usertask1" name="财务编写月财务报告" activiti:candidateGroups="accountancy"></userTask>
7. <userTask id="usertask2" name="股东审核月财务审计报告" activiti:candidateGroups="management"></userTask>
8. <endEvent id="endevent1" name="月财务报告审核结束"></endEvent>
9. <sequenceFlow id="flow1" name="" sourceRef="startevent1" targetRef="usertask1"></sequenceFlow>
10. <sequenceFlow id="flow2" name="" sourceRef="usertask1" targetRef="usertask2"></sequenceFlow>
11. <sequenceFlow id="flow3" name="" sourceRef="usertask2" targetRef="endevent1"></sequenceFlow>
12. </process>
13. <bpmndi:BPMNDiagram id="BPMNDiagram_financialReport">
14. <bpmndi:BPMNPlane bpmnElement="financialReport" id="BPMNPlane_financialReport">
15. <bpmndi:BPMNShape bpmnElement="startevent1" id="BPMNShape_startevent1">
16. <omgdc:Bounds height="35" width="35" x="30" y="200"></omgdc:Bounds>
17. </bpmndi:BPMNShape>
18. <bpmndi:BPMNShape bpmnElement="usertask1" id="BPMNShape_usertask1">
19. <omgdc:Bounds height="55" width="105" x="125" y="190"></omgdc:Bounds>
20. </bpmndi:BPMNShape>
21. <bpmndi:BPMNShape bpmnElement="usertask2" id="BPMNShape_usertask2">
22. <omgdc:Bounds height="55" width="105" x="290" y="190"></omgdc:Bounds>
23. </bpmndi:BPMNShape>
24. <bpmndi:BPMNShape bpmnElement="endevent1" id="BPMNShape_endevent1">
25. <omgdc:Bounds height="35" width="35" x="455" y="200"></omgdc:Bounds>
26. </bpmndi:BPMNShape>
27. <bpmndi:BPMNEdge bpmnElement="flow1" id="BPMNEdge_flow1">
28. <omgdi:waypoint x="65" y="217"></omgdi:waypoint>
29. <omgdi:waypoint x="125" y="217"></omgdi:waypoint>
30. </bpmndi:BPMNEdge>
31. <bpmndi:BPMNEdge bpmnElement="flow2" id="BPMNEdge_flow2">
32. <omgdi:waypoint x="230" y="217"></omgdi:waypoint>
33. <omgdi:waypoint x="290" y="217"></omgdi:waypoint>
34. </bpmndi:BPMNEdge>
35. <bpmndi:BPMNEdge bpmnElement="flow3" id="BPMNEdge_flow3">
36. <omgdi:waypoint x="395" y="217"></omgdi:waypoint>
37. <omgdi:waypoint x="455" y="217"></omgdi:waypoint>
38. </bpmndi:BPMNEdge>
39. </bpmndi:BPMNPlane>
40. </bpmndi:BPMNDiagram>
41. </definitions>

编码如下：

1. package com.easyway.spring.activiti;
2. import java.util.List;
3. import org.activiti.engine.HistoryService;
4. import org.activiti.engine.ProcessEngine;
5. import org.activiti.engine.ProcessEngineConfiguration;
6. import org.activiti.engine.RepositoryService;
7. import org.activiti.engine.RuntimeService;
8. import org.activiti.engine.TaskService;
9. import org.activiti.engine.history.HistoricProcessInstance;
10. import org.activiti.engine.task.Task;
11. /**
12. * 根据activiti官方提供的 编写
13. *     1.财务部门填写月财务报告
14. *     2.股东审核月财务审计报告
15. *
16. *
17. * activiti提供的财务报告审核
18. * <!-- 采用用户组为accountancy编写财务报告  -->
19. *   <userTask id="usertask1" name="财务编写月财务报告" activiti:candidateGroups="accountancy"></userTask>
20. * <!-- 采用用户组为management编写财务报告  -->
21. *   <userTask id="usertask2" name="股东审核月财务审计报告" activiti:candidateGroups="management"></userTask>
22. *
23. * 备注：
24. *    默认的两个用户：
25. *    <pre>
26. *       用户名   密码         用户组
27. Table 2.1. The demo users
28. UserId Password Security roles
29. kermit kermit admin
30. gonzo gonzo manager
31. fozzie fozzie user
32. *    </pre>
33. *
34. * @author longgangbai
35. *
36. * 2011-12-18  下午04:08:46
37. */
38. public class CustomFinancialReportActiviti {
39. public static void main(String[] args) {
40. // Create Activiti process engine
41. //创建一个流程引擎对象
42. //          ProcessEngine processEngine = ProcessEngineConfiguration
43. //            .createStandaloneProcessEngineConfiguration()
44. //            .buildProcessEngine();
45. //创建一个流程引擎对象（为了便于多册测试，修改 name="databaseSchemaUpdate" value="create-drop"  默认为ture）
46. ProcessEngine processEngine=ProcessEngineConfiguration.createProcessEngineConfigurationFromResource("activiti.cfg.xml").buildProcessEngine();
47. // Get Activiti services
48. //获取流程相关的服务
49. RepositoryService repositoryService = processEngine.getRepositoryService();
50. RuntimeService runtimeService = processEngine.getRuntimeService();
51. // Deploy the process definition
52. //部署相关的流程配置
53. repositoryService.createDeployment()
54. .addClasspathResource("diagrams/financialReport.bpmn20.xml")
55. .deploy();
56. // Start a process instance
57. //获取流程实例
58. String procId = runtimeService.startProcessInstanceByKey("financialReport").getId();
59. // Get the first task
60. TaskService taskService = processEngine.getTaskService();
61. //获取accountancy组可能要操作的任务
62. List<Task> tasks = taskService.createTaskQuery().taskCandidateGroup("accountancy").list();
63. for (Task task : tasks) {
64. System.out.println("Following task is available for accountancy group: " + task.getName());
65. //设置fozzie代办 claim it
66. taskService.claim(task.getId(), "fozzie");
67. }
68. // Verify Fozzie can now retrieve the task
69. //审核fozzie当前的获取的任务数量
70. tasks = taskService.createTaskQuery().taskAssignee("fozzie").list();
71. for (Task task : tasks) {
72. System.out.println("Task for fozzie: " + task.getName());
73. // Complete the task
74. //设置forzze完毕
75. taskService.complete(task.getId());
76. }
77. System.out.println("Number of tasks for fozzie: "
78. + taskService.createTaskQuery().taskAssignee("fozzie").count());
79. // Retrieve and claim the second task
80. //管理者审核报告并让kermit代办
81. tasks = taskService.createTaskQuery().taskCandidateGroup("management").list();
82. for (Task task : tasks) {
83. System.out.println("Following task is available for accountancy group: " + task.getName());
84. taskService.claim(task.getId(), "kermit");
85. }
86. // Completing the second task ends the process
87. //完成报告
88. for (Task task : tasks) {
89. taskService.complete(task.getId());
90. }
91. // verify that the process is actually finished
92. //查询流程实例完成事件
93. HistoryService historyService = processEngine.getHistoryService();
94. HistoricProcessInstance historicProcessInstance =
95. historyService.createHistoricProcessInstanceQuery().processInstanceId(procId).singleResult();
96. System.out.println("Process instance end time: " + historicProcessInstance.getEndTime());
97. }
98. }

运行结果如下：

1. 信息: ProcessEngine default created
2. 2011-12-18 17:06:00 org.activiti.engine.impl.jobexecutor.JobAcquisitionThread run
3. 信息: JobAcquisitionThread starting to acquire jobs
4. 2011-12-18 17:06:00 org.activiti.engine.impl.bpmn.deployer.BpmnDeployer deploy
5. 信息: Processing resource diagrams/financialReport.bpmn20.xml
6. 2011-12-18 17:06:01 org.activiti.engine.impl.bpmn.parser.BpmnParse parseDefinitionsAttributes
7. 信息: XMLSchema currently not supported as typeLanguage
8. 2011-12-18 17:06:01 org.activiti.engine.impl.bpmn.parser.BpmnParse parseDefinitionsAttributes
9. 信息: XPath currently not supported as expressionLanguage
10. Following task is available for accountancy group:<span style="color: #ff0000;"> 财务编写月财务报告</span>
11. <span style="color: #ff0000;">Task for fozzie: 财务编写月财务报告</span>
12. <span style="color: #ff0000;">Number of tasks for fozzie: 0</span>
13. <span style="color: #ff0000;">Following task is available for accountancy group: 股东审核月财务审计报告</span>
14. <span style="color: #ff0000;">Process instance end time: Sun Dec 18 17:06:01 CST 2011
15. </span>