/**
* Copyright 1996-2013 Founder International Co.,Ltd.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @author kenshin
*/
package com.founder.fix.fixflow.core.impl.cmd;
import java.util.ArrayList;
import java.util.List;
import com.founder.fix.fixflow.core.exception.FixFlowException;
import com.founder.fix.fixflow.core.impl.bpmn.behavior.ProcessDefinitionBehavior;
import com.founder.fix.fixflow.core.impl.bpmn.behavior.UserTaskBehavior;
import com.founder.fix.fixflow.core.impl.interceptor.Command;
import com.founder.fix.fixflow.core.impl.interceptor.CommandContext;
import com.founder.fix.fixflow.core.impl.persistence.ProcessDefinitionManager;
import com.founder.fix.fixflow.core.impl.persistence.ProcessInstanceManager;
import com.founder.fix.fixflow.core.impl.persistence.TaskManager;
import com.founder.fix.fixflow.core.impl.runtime.ProcessInstanceEntity;
import com.founder.fix.fixflow.core.impl.runtime.TokenEntity;
import com.founder.fix.fixflow.core.task.TaskInstance;
public class GetRollBackNodeCmd implements Command<List<UserTaskBehavior>>{
protected String taskId;
public GetRollBackNodeCmd(String taskId)
{
this.taskId=taskId;
}
public List<UserTaskBehavior> execute(CommandContext commandContext) {
TaskManager taskManager = commandContext.getTaskManager();
TaskInstance taskInstanceQuery = taskManager.findTaskById(taskId);
if(taskId==null||taskId.equals("")){
throw new FixFlowException("taskId不能为空");
}
if(taskInstanceQuery==null){
throw new FixFlowException("没有查询到相关任务");
}
String tokenId = taskInstanceQuery.getTokenId();
String processDefinitionId = taskInstanceQuery.getProcessDefinitionId();
ProcessInstanceManager processInstanceManager = commandContext.getProcessInstanceManager();
String processInstanceId = taskInstanceQuery.getProcessInstanceId();
ProcessDefinitionManager processDefinitionManager = commandContext.getProcessDefinitionManager();
ProcessDefinitionBehavior processDefinition = processDefinitionManager.findLatestProcessDefinitionById(processDefinitionId);
ProcessInstanceEntity processInstanceImpl = processInstanceManager.findProcessInstanceById(processInstanceId, processDefinition);
TokenEntity token=processInstanceImpl.getTokenMap().get(tokenId);
List<String> tokenIdList=new ArrayList<String>();
addTokenParent(token, tokenIdList);
@SuppressWarnings({ "unchecked", "rawtypes" })
List<TaskInstance> taskInstanceQueryToList=(List)taskManager.findTasksByTokenIdList(tokenIdList);
List<UserTaskBehavior> userTaskBehaviorList=new ArrayList<UserTaskBehavior>();
for (TaskInstance taskInstanceQueryTo : taskInstanceQueryToList) {
if(!(taskInstanceQueryTo.getNodeId().equals(token.getNodeId()))&&cleanRollBackTask(userTaskBehaviorList,taskInstanceQueryTo.getNodeId())){
UserTaskBehavior userTaskBehavior= (UserTaskBehavior)processDefinition.getDefinitions().getElement(taskInstanceQueryTo.getNodeId());
if(userTaskBehavior!=null){
userTaskBehaviorList.add(userTaskBehavior);
}
}
}
return userTaskBehaviorList;
}
private boolean cleanRollBackTask(List<UserTaskBehavior> userTaskBehaviorList,String nodeId){
for (UserTaskBehavior userTaskBehavior : userTaskBehaviorList) {
if(userTaskBehavior.getId().equals(nodeId)){
return false;
}
}
return true;
}
private void addTokenParent(TokenEntity token,List<String> tokenList)
{
tokenList.add(token.getId());
if(token.getParent()!=null)
{
addTokenParent(token.getParent(),tokenList);
}
}
}