JBPM具体流程设计代码基础篇

启动流程引擎：
ProcessEngine processEngine=Configuration.getProcessEngine();//直接从默认的配置文件'jbpm.cfg.xml'里得到流程引擎。
ProcessEngine processEngine =new Configuration() .buildProcessEngine();//创建流程引擎，默认是根据的配置文件同上。
ProcessEngine processEngine =new Configuration() .setResource("my-own-configuration-file.xml") .buildProcessEngine();//指定其他位置的配置文件。

可以根据流程引擎得到下面的服务：
RepositoryService repositoryService = processEngine.getRepositoryService();
ExecutionService executionService = processEngine.getExecutionService();
TaskService taskService = processEngine.getTaskService();
HistoryService historyService = processEngine.getHistoryService();
ManagementService managementService = processEngine.getManagementService();
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RepositoryService
包含了用来管理发布资源的所有方法，
例子：
import org.jbpm.api.*;
import junit.framework.TestCase;
import java.util.*;

public class HelloTest extends TestCase {
ProcessEngine processEngine;
public HelloTest()
{
processEngine=Configuration.getProcessEngine();
}
public void testdeploy()
{
RepositoryService repositoryService=processEngine.getRepositoryService();
String deploymentId=repositoryService.createDeployment().addResourceFromClasspath("helloword.jpdl.xml").deploy();
System.out.print("!!!!!!!!!!!!!!"+deploymentId);//1
List<ProcessDefinition> list=repositoryService.createProcessDefinitionQuery().list();
for(ProcessDefinition pd:list){
System.out.println("ID"+pd.getId()); //helloword-1
System.out.println("DeploymentId"+pd.getDeploymentId());//1
System.out.println("Key"+pd.getKey());//helloword
System.out.println("Name"+pd.getName());//helloword
System.out.println("Version"+pd.getVersion());//1
}
repositoryService.deleteDeploymentCascade(deploymentId);//级联删除
}
}
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ExecutionService
流程实例
ExecutionService executionService=processEngine.getExecutionService();
创建流程实例方法：
(1)ProcessInstance pi=executionService.startProcessInstanceByKey("helloword");
(2)ProcessInstance pi = executionService.startProcessInstanceById("helloword-1");
携带变量：
Map<String,Object> variables = new HashMap<String,Object>();
variables.put("customer", "John Doe");
variables.put("type", "Accident");
variables.put("amount", new Float(763.74));
ProcessInstance processInstance =executionService.startProcessInstanceByKey("helloword ", variables);
例子：
import junit.framework.TestCase;
import org.jbpm.api.*;
import java.util.*;
public class ProcessInstanceTest extends TestCase {
 ProcessEngine processEngine;
 public ProcessInstanceTest()
 {
     processEngine=Configuration.getProcessEngine();
 }
 protected void setUp()
 {
     processEngine.getRepositoryService().createDeployment().addResourceFromClasspath("helloword.jpdl.xml").deploy();
 }
 public void testProcessInstance()
 {
  ExecutionService executionService=processEngine.getExecutionService();
  ProcessInstance pi=executionService.startProcessInstanceByKey("helloword");
  System.out.println(pi);
  System.out.println(pi.isEnded());//false没结束，等待
  pi=executionService.signalExecutionById(pi.getId());//继续执行，使其结束    
  System.out.println(pi.isEnded());//true结束流程
 }
 public void testProcessInstanceEnd()
 {
  ExecutionService executionService=processEngine.getExecutionService();
  ProcessInstance pi=executionService.startProcessInstanceByKey("helloword");
  executionService.endProcessInstance(pi.getId(), "cancel");//将流程实例终结掉
 }
 public void testProcessInstanceDelete()
 {
  ExecutionService executionService=processEngine.getExecutionService();
  ProcessInstance pi=executionService.startProcessInstanceByKey("helloword");
  executionService.deleteProcessInstanceCascade(pi.getId());//将流程级联删除
 }
 public void testProcessInstanceList()
 {
  ExecutionService executionService=processEngine.getExecutionService();
  ProcessInstance pi=executionService.startProcessInstanceByKey("helloword");
  ProcessInstance pi2=executionService.startProcessInstanceByKey("helloword");
  List<ProcessInstance> list=executionService.createProcessInstanceQuery().list();
  for(ProcessInstance processInstance:list)
  {
   System.out.println(processInstance.getId());
  }
 }
}
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TaskService
待办任务
TaskService taskService = processEngine.getTaskService();//流程任务
List<Task> taskList = taskService.findPersonalTasks(userid);//查询该用户的任务列表
携带变量
Map<String,Object> map = new HashMap<String,Object>();
map.put("addall", addall);
map.put("student", stu_id);
taskService.completeTask(taskId, map);