/*
* Copyright 2010-2011 the original author or authors.
*
* 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.
*/
package com.starflow.wf.engine.core.workitem;
import java.util.LinkedList;
import java.util.List;
import com.starflow.wf.engine.ProcessEngineException;
import com.starflow.wf.engine.StarFlowState;
import com.starflow.wf.engine.core.Constants;
import com.starflow.wf.engine.core.ParticipantModeFactory;
import com.starflow.wf.engine.core.participant.ParticipantMode;
import com.starflow.wf.engine.event.AbstractFlowEvent;
import com.starflow.wf.engine.model.Participant;
import com.starflow.wf.engine.model.elements.ActivityElement;
import com.starflow.wf.service.spi.IWFOMService;
abstract public class AbstractWorkItemMode implements WorkItemMode {
/**
* 判断工作项状态
*
* @param participants
* @return
*/
protected int getCurrentState(List<Participant> participants) {
if(participants.size()>1)
return StarFlowState.WORKITEM_WAITING_RECEIVE;
else {
Participant participant = participants.get(0);
if(Constants.PARTICIPANT_TYPE_PERSON.equalsIgnoreCase(participant.getParticType()))
return StarFlowState.WORKITEM_RUNNING;
else
return StarFlowState.WORKITEM_WAITING_RECEIVE;
}
}
/**
* 获取环节参与者
*/
protected List<Participant> getWIParticipants(AbstractFlowEvent event, ActivityElement activityXml) {
List<Participant> participants = null;
String mode = activityXml.getParticipantType();
ParticipantMode particiMode = ParticipantModeFactory.buildParticipantMode(mode);
participants = particiMode.creatParticipants(event, activityXml);
if(participants ==null || participants.size() == 0) {
String actName = activityXml.getName();
throw new ProcessEngineException("【" + actName + "】环节指定的参与为空，不能启动环节");
}
return participants;
}
/**
* 获取环节参与者, 如果参与者为机构或角色，转换为机构和较色下的所有人员。
* 为了避免与具体的组织机构相关联，调用IWFOMService相关实现去获取数据。
*/
protected List<Participant> getWIParticipantsExt(AbstractFlowEvent event, ActivityElement activityXml) {
List<Participant> _particis = null;
List<Participant> participants = new LinkedList<Participant>();
IWFOMService service = (IWFOMService)event.getApplicationContext().getBean("WFOMService");
String mode = activityXml.getParticipantType();
ParticipantMode particiMode = ParticipantModeFactory.buildParticipantMode(mode);
_particis = particiMode.creatParticipants(event, activityXml);
for(Participant p : _particis) {
participants.addAll(service.getParticipants(p.getParticType(), p.getParticipant()));
}
if(participants ==null || participants.size() == 0) {
String actName = activityXml.getName();
throw new ProcessEngineException("【" + actName + "】环节指定的参与为空，不能启动流程");
}
return participants;
}
}