Activiti环节任意跳跃

Activiti

package test;
/**
 * @author: Ruoli
 */
import org.activiti.engine.ManagementService;
import org.activiti.engine.ProcessEngine;
import org.activiti.engine.ProcessEngines;
import org.activiti.engine.impl.interceptor.Command;
import org.activiti.engine.impl.interceptor.CommandContext;
import org.activiti.engine.impl.persistence.entity.ExecutionEntity;
import org.activiti.engine.impl.pvm.process.ActivityImpl;
import org.activiti.engine.impl.pvm.process.ProcessDefinitionImpl;
import org.junit.Test;
/**
 * 流程中任意跳跃
 * @author Administrator
 *
 */
public class JumpActivityCmd implements Command<Object> {
    private String activityId;
    private String processInstanceId;
    private String jumpOrigin;
ProcessEngine processEngine = ProcessEngines.getDefaultProcessEngine();
    public JumpActivityCmd(){}
    public JumpActivityCmd(String processInstanceId, String activityId) {
        this(processInstanceId, activityId, "jump");
    }
    /**
     * 
     * @param processInstanceId 流程实例ID
     * @param activityId 跳转目标环节KEY
     * @param jumpOrigin 自动完成环节的意见
     */
    public JumpActivityCmd(String processInstanceId, String activityId, String jumpOrigin) {
        this.activityId = activityId;
        this.processInstanceId = processInstanceId;
        this.jumpOrigin = jumpOrigin;
    }
    public Object execute(CommandContext commandContext) {
        ExecutionEntity executionEntity = commandContext.getExecutionEntityManager().findExecutionById(processInstanceId);
        executionEntity.destroyScope(jumpOrigin);
        ProcessDefinitionImpl processDefinition = executionEntity.getProcessDefinition();
        ActivityImpl activity = processDefinition.findActivity(activityId);
        executionEntity.executeActivity(activity);
        return executionEntity;
    }
    @Test
    public void testname()  {
        ManagementService managementService=processEngine.getManagementService();
        //第一个参数   流程实例ID，
        //第二个参数   跳转目标环节KEY
        //第三个参数   自动完成环节的意见
      Command<Object> cmdCommand=new JumpActivityCmd("1201","usertask2","强制跳转");
      managementService.executeCommand(cmdCommand);
    }
}