/**
* 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.expand.filter;
import java.util.List;
import com.founder.fix.fixflow.core.ProcessEngine;
import com.founder.fix.fixflow.core.ProcessEngineManagement;
import com.founder.fix.fixflow.core.exception.FixFlowException;
import com.founder.fix.fixflow.core.factory.ProcessObjectFactory;
import com.founder.fix.fixflow.core.impl.Context;
import com.founder.fix.fixflow.core.impl.bpmn.behavior.ProcessDefinitionBehavior;
import com.founder.fix.fixflow.core.impl.bpmn.behavior.TaskCommandInst;
import com.founder.fix.fixflow.core.impl.expression.ExpressionMgmt;
import com.founder.fix.fixflow.core.impl.filter.AbstractCommandFilter;
import com.founder.fix.fixflow.core.impl.identity.Authentication;
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.runtime.ProcessInstanceEntity;
import com.founder.fix.fixflow.core.impl.runtime.TokenEntity;
import com.founder.fix.fixflow.core.impl.util.StringUtil;
import com.founder.fix.fixflow.core.runtime.ExecutionContext;
import com.founder.fix.fixflow.core.task.TaskInstance;
import com.founder.fix.fixflow.core.task.TaskQuery;
public class RecoverTaskFilter extends AbstractCommandFilter {
@Override
public boolean accept(TaskInstance taskInstance) {
if(taskInstance==null){
return false;
}
if(taskInstance.isSuspended()){
return false;
}
if(taskInstance.hasEnded()){
return false;
}
if(taskInstance.getDelegationState()!=null){
return false;
}
if(isProcessTracking()){
TaskCommandInst taskCommandInst=getTaskCommandInst();
ProcessEngine processEngine=ProcessEngineManagement.getDefaultProcessEngine();
TaskQuery taskQuery=processEngine.getTaskService().createTaskQuery();
List<TaskInstance> taskInstancesEnd=taskQuery.processInstanceId(taskInstance.getProcessInstanceId()).taskAssignee(Authentication.getAuthenticatedUserId()).taskIsEnd().list();
String tokenId = taskInstance.getTokenId();
String processDefinitionId = taskInstance.getProcessDefinitionId();
ProcessInstanceManager processInstanceManager =Context.getCommandContext().getProcessInstanceManager();
String processInstanceId = taskInstance.getProcessInstanceId();
ProcessDefinitionManager processDefinitionManager = Context.getCommandContext().getProcessDefinitionManager();
ProcessDefinitionBehavior processDefinition = processDefinitionManager.findLatestProcessDefinitionById(processDefinitionId);
ProcessInstanceEntity processInstanceImpl = processInstanceManager.findProcessInstanceById(processInstanceId, processDefinition);
if(processInstanceImpl.hasEnded()){
return false;
}
TokenEntity token = processInstanceImpl.getTokenMap().get(tokenId);
ExecutionContext executionContext = ProcessObjectFactory.FACTORYINSTANCE.createExecutionContext(token);
Object returnValueObject=null;
if (taskCommandInst != null && taskCommandInst.getExpression() != null) {
try {
returnValueObject=ExpressionMgmt.execute(taskCommandInst.getExpression(), executionContext);
} catch (Exception e) {
throw new FixFlowException("用户命令表达式执行异常!", e);
}
}
if(returnValueObject==null||returnValueObject.equals("")){
return true;
}else{
String nodeIdString=StringUtil.getString(returnValueObject);
String[] nodeIdSZ=nodeIdString.split(",");
for (TaskInstance taskInstanceTemp : taskInstancesEnd) {
if(isExist(nodeIdSZ,taskInstanceTemp.getNodeId())){
return true;
}
}
return false;
}
}
return false;
}
private boolean isExist(String[] contentStrings,String content){
for (String string : contentStrings) {
if(string.equals(content)){
return true;
}
}
return false;
}
}