/* 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 org.activiti.engine.impl.cmd;
import java.io.Serializable;
import java.util.List;
import org.activiti.engine.impl.interceptor.Command;
import org.activiti.engine.impl.interceptor.CommandContext;
import org.activiti.engine.impl.persistence.entity.IdentityLinkEntity;
import org.activiti.engine.impl.persistence.entity.TaskEntity;
import org.activiti.engine.task.IdentityLink;
import org.activiti.engine.task.IdentityLinkType;
/**
* @author Joram Barrez
* @author Falko Menge
*/
public class GetIdentityLinksForTaskCmd implements Command<List<IdentityLink>>, Serializable {
private static final long serialVersionUID = 1L;
protected String taskId;
public GetIdentityLinksForTaskCmd(String taskId) {
this.taskId = taskId;
}
@SuppressWarnings({"unchecked", "rawtypes" })
public List<IdentityLink> execute(CommandContext commandContext) {
TaskEntity task = commandContext
.getTaskEntityManager()
.findTaskById(taskId);
List<IdentityLink> identityLinks = (List) task.getIdentityLinks();
// assignee is not part of identity links in the db.
// so if there is one, we add it here.
// @Tom: we discussed this long on skype and you agreed ;-)
// an assignee *is* an identityLink, and so must it be reflected in the API
//
// Note: we cant move this code to the TaskEntity (which would be cleaner),
// since the task.delete cascased to all associated identityLinks
// and of course this leads to exception while trying to delete a non-existing identityLink
if (task.getAssignee() != null) {
IdentityLinkEntity identityLink = new IdentityLinkEntity();
identityLink.setUserId(task.getAssignee());
identityLink.setType(IdentityLinkType.ASSIGNEE);
identityLink.setTaskId(task.getId());
identityLinks.add(identityLink);
}
if (task.getOwner() != null) {
IdentityLinkEntity identityLink = new IdentityLinkEntity();
identityLink.setUserId(task.getOwner());
identityLink.setTaskId(task.getId());
identityLink.setType(IdentityLinkType.OWNER);
identityLinks.add(identityLink);
}
return (List) task.getIdentityLinks();
}
}