/**
* 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.identity.Authentication;
import com.founder.fix.fixflow.core.impl.identity.GroupDefinition;
import com.founder.fix.fixflow.core.impl.identity.GroupTo;
import com.founder.fix.fixflow.core.impl.identity.UserTo;
import com.founder.fix.fixflow.core.impl.task.IdentityLinkEntity;
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.IdentityLinkType;
import com.founder.fix.fixflow.core.task.TaskDefinition;
import com.founder.fix.fixflow.core.task.TaskInstance;
/**
* 共享 (当只有一人时采用独占策略)
*
* @author kenshin
*
*/
public class PotentialOwnerOneAssignmentImpl 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) {
for (String userId : resultList) {
if (userId != null && !userId.equals("")) {
if (taskAssigneeDefinitionTo.getIdentityLinkType().toString().equals(IdentityLinkType.assignee.toString())) {
// assignable.addAssigneeUser(userId,
// taskAssigneeDefinitionTo.getIncludeExclusion());
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);
} else {
assignable.addCandidateUser(userId, taskAssigneeDefinitionTo.getIncludeExclusion());
}
}
}
}
}
if (taskAssigneeDefinitionTo.getGroupIdExpression() != null) {
List<String> resultList = executionExpression(taskAssigneeDefinitionTo.getGroupIdExpression(), executionContext);
if (resultList.size() > 0) {
for (String groupId : resultList) {
if (groupId != null && !groupId.equals("")) {
if (taskAssigneeDefinitionTo.isContainsSub()) {
List<GroupTo> groupTos = null;
try {
groupTos = Authentication.findGroupChildMembersIncludeByGroupId(groupId,
taskAssigneeDefinitionTo.getGroupTypeExpression());
} catch (Exception e) {
throw new FixFlowException("节点 " + ((TaskInstance) assignable).getNodeId() + " 的任务获取子分配组出错！", e);
}
if (groupTos != null) {
for (GroupTo groupTo : groupTos) {
GroupTo groupToObj = new GroupTo(groupTo.getGroupId(), taskAssigneeDefinitionTo.getGroupTypeExpression());
assignable.addCandidateGroup(groupToObj, taskAssigneeDefinitionTo.getIncludeExclusion());
}
} else {
throw new FixFlowException("节点 " + ((TaskInstance) assignable).getNodeId() + " 的任务获取子分配组出错！");
}
} else {
GroupTo groupTo = new GroupTo(groupId, taskAssigneeDefinitionTo.getGroupTypeExpression());
assignable.addCandidateGroup(groupTo, taskAssigneeDefinitionTo.getIncludeExclusion());
}
}
}
}
}
}
List<IdentityLinkEntity> identityLinkEntities = assignable.getTaskIdentityLinkEntitys();
List<String> userIds = new ArrayList<String>();
for (IdentityLinkEntity identityLinkEntity : identityLinkEntities) {
if (identityLinkEntity.getUserId() != null) {
userIds.add(identityLinkEntity.getUserId());
}
if (identityLinkEntity.getGroupId() != null) {
GroupDefinition groupDefinition = Authentication.groupDefinition(identityLinkEntity.getGroupType());
List<UserTo> userTos = groupDefinition.findUserByGroupId(identityLinkEntity.getGroupId());
if (userTos.size() > 1) {
return;
} else {
if (userTos.size() == 1) {
if (userIds.size() >= 1) {
return;
}
userIds.add(userTos.get(0).getUserId());
}
}
}
}
if (userIds.size() == 1) {
if(!userIds.get(0).equals("fixflow_allusers")){
assignable.getTaskIdentityLinkEntitys().clear();
assignable.setAssignee(userIds.get(0));
}
}
}
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;
}
}