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package com.vci.server.workflow.server.event;
import java.sql.Connection;
import java.util.HashMap;
import java.util.List;   
import java.util.Map;
 
import org.jbpm.api.Configuration;   
import org.jbpm.api.Execution;
import org.jbpm.api.ProcessEngine;   
import org.jbpm.api.TaskService;   
import org.jbpm.api.cmd.Environment;
import org.jbpm.api.model.OpenExecution;   
import org.jbpm.api.task.Assignable;   
import org.jbpm.api.task.AssignmentHandler;   
import org.jbpm.api.task.Participation;   
import org.jbpm.api.task.Task;   
import org.jbpm.jpdl.internal.activity.TaskActivity;
import org.jbpm.pvm.internal.env.EnvironmentImpl;
import org.jbpm.pvm.internal.history.HistoryEvent;
import org.jbpm.pvm.internal.history.events.TaskActivityStart;
import org.jbpm.pvm.internal.history.model.HistoryTaskImpl;
import org.jbpm.pvm.internal.model.ActivityImpl;
import org.jbpm.pvm.internal.model.ExecutionImpl;
import org.jbpm.pvm.internal.session.DbSession;
import org.jbpm.pvm.internal.task.OpenTask;   
import org.jbpm.pvm.internal.task.TaskImpl;
import org.jbpm.pvm.internal.util.Clock;
 
import com.vci.server.base.persistence.dao.HibernateTemplate;
import com.vci.server.workflow.server.template.ProcessTemplateService;
 
public class AssignTaskForWuYuan implements AssignmentHandler{   
      
    private static final long serialVersionUID = 1L;   
    List<String> participants;   
    ProcessEngine processEngine=Configuration.getProcessEngine();   
    TaskService taskService=processEngine.getTaskService();   
       
    @SuppressWarnings("unchecked")   
    public void assign(Assignable assignable, OpenExecution execution) throws Exception {   
         Connection cn = new HibernateTemplate().getSessionConnection();
            String activityName = ((ExecutionImpl)execution).getActivityName();
            String pid = execution.getProcessInstance().getId();
            List taskList = this.taskService.createTaskQuery().processInstanceId(pid).activityName(activityName).list();
            Task task = null;
            for (int i = 0; i < taskList.size(); i++) {
              task = (Task)taskList.get(i);
              if (task.getActivityName().equals(activityName)) {
                break;
              }
            }
            this.participants = ((List)this.taskService.getVariable(task.getId(), "participants"));
            int i = 1;
            if (this.participants != null) {
              for (String participant : this.participants) {
                Task subTask = ((OpenTask)task).createSubTask();
                subTask.setName(task.getActivityName() + "-处理" + i);
                subTask.setPriority(1);
                subTask.setAssignee(participant);
 
                this.taskService.addTaskParticipatingUser(task.getId(), participant, Participation.CLIENT);
                i++;
              }
              cn.commit();
            }
    } 
}