/**
* 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 com.founder.fix.fixflow.core.exception.FixFlowException;
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.ProcessInstanceManager;
import com.founder.fix.fixflow.core.impl.runtime.ProcessInstanceEntity;
public class SuspendProcessInstanceCmd implements Command<Void>{
protected String processInstanceId;
public SuspendProcessInstanceCmd(String processInstanceId){
this.processInstanceId=processInstanceId;
}
public Void execute(CommandContext commandContext) {
if (processInstanceId == null || processInstanceId.equals("")) {
throw new FixFlowException("流程实例编号为空！");
}
// 创建流程实例管理器
ProcessInstanceManager processInstanceManager = commandContext.getProcessInstanceManager();
// 获取流程实例
ProcessInstanceEntity processInstanceImpl = processInstanceManager.findProcessInstanceById(processInstanceId);
if(processInstanceImpl.isSuspended()){
throw new FixFlowException("流程实例已经暂停,不能再次暂停");
}
if(processInstanceImpl.hasEnded()){
throw new FixFlowException("流程实例已经结束,不能暂停");
}
//暂停流程实例
processInstanceImpl.suspend();
try {
// 持久化实例
processInstanceManager.saveProcessInstance(processInstanceImpl);
} catch (Exception e) {
throw new FixFlowException("流程实例持久化失败!", e);
}
return null;
}
}