/**
* 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.assignment;
import java.util.ArrayList;
import java.util.List;
import java.util.Set;
import com.founder.fix.fixflow.core.action.AssignmentHandler;
import com.founder.fix.fixflow.core.exception.FixFlowException;
import com.founder.fix.fixflow.core.impl.expression.ExpressionMgmt;
import com.founder.fix.fixflow.core.impl.task.TaskAssigneeDefinitionTo;
import com.founder.fix.fixflow.core.runtime.ExecutionContext;
import com.founder.fix.fixflow.core.task.Assignable;
import com.founder.fix.fixflow.core.task.TaskDefinition;
import com.founder.fix.fixflow.core.task.TaskInstance;
/**
* 独占 (默认策略)
* @author kenshin
*
*/
public class HumanPerformerAssignmentImpl implements AssignmentHandler {
public void assign(Assignable assignable, ExecutionContext executionContext) {
// TODO 自动生成的方法存根
TaskDefinition taskDefinition=assignable.getTaskDefinition();
List<TaskAssigneeDefinitionTo> taskAssigneeDefinitionTos = taskDefinition.getTaskAssigneeDefinitionTos();
for (TaskAssigneeDefinitionTo taskAssigneeDefinitionTo : taskAssigneeDefinitionTos) {
if (taskAssigneeDefinitionTo.getUserIdExpression() != null) {
List<String> resultList = executionExpression(taskAssigneeDefinitionTo.getUserIdExpression(), executionContext);
if (resultList.size() > 0) {
if(resultList.size()>1){
throw new FixFlowException("任务采用独占策略的时候不能有多个处理者,请重新修改节点 " + ((TaskInstance) assignable).getNodeId() + " 的任务分配定义");
}
for (String userId : resultList) {
if (userId != null && !userId.equals("")) {
if (userId.equals("fixflow_allusers")) {
throw new FixFlowException("任务分配给所有人的时候不能采用独占方式分配,请重新修改节点 " + ((TaskInstance) assignable).getNodeId() + " 的任务分配定义");
}
assignable.setAssignee(userId);
}
}
}
}
}
}
private List<String> executionExpression(String expression, ExecutionContext executionContext) {
List<String> resultList = new ArrayList<String>();
Object result = ExpressionMgmt.execute(expression, executionContext);
if (result != null) {
if (result instanceof String) {
String[] dddStrings = result.toString().split(",");
for (int i = 0; i < dddStrings.length; i++) {
resultList.add(dddStrings[i]);
}
}
if (result instanceof Integer) {
resultList.add(result.toString());
}
if (result instanceof List<?>) {
List<?> resultTempList = (List<?>) result;
for (Object resultObj : resultTempList) {
resultList.add(resultObj.toString());
}
}
if (result instanceof Set<?>) {
Set<?> resultTempList = (Set<?>) result;
for (Object resultObj : resultTempList) {
resultList.add(resultObj.toString());
}
}
}
return resultList;
}
}