org.activiti.engine.impl.cmd.AddIdentityLinkCmd Maven / Gradle / Ivy
/* 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 org.activiti.engine.ActivitiIllegalArgumentException;
import org.activiti.engine.impl.interceptor.CommandContext;
import org.activiti.engine.impl.persistence.entity.TaskEntity;
import org.activiti.engine.task.IdentityLinkType;
/**
*/
public class AddIdentityLinkCmd extends NeedsActiveTaskCmd {
private static final long serialVersionUID = 1L;
public static int IDENTITY_USER = 1;
public static int IDENTITY_GROUP = 2;
protected String identityId;
protected int identityIdType;
protected String identityType;
public AddIdentityLinkCmd(String taskId, String identityId, int identityIdType, String identityType) {
super(taskId);
validateParams(taskId, identityId, identityIdType, identityType);
this.taskId = taskId;
this.identityId = identityId;
this.identityIdType = identityIdType;
this.identityType = identityType;
}
protected void validateParams(String taskId, String identityId, int identityIdType, String identityType) {
if (taskId == null) {
throw new ActivitiIllegalArgumentException("taskId is null");
}
if (identityType == null) {
throw new ActivitiIllegalArgumentException("type is required when adding a new task identity link");
}
if (identityId == null && (identityIdType == IDENTITY_GROUP ||
(!IdentityLinkType.ASSIGNEE.equals(identityType) && !IdentityLinkType.OWNER.equals(identityType)))) {
throw new ActivitiIllegalArgumentException("identityId is null");
}
if (identityIdType != IDENTITY_USER && identityIdType != IDENTITY_GROUP) {
throw new ActivitiIllegalArgumentException("identityIdType allowed values are 1 and 2");
}
}
protected Void execute(CommandContext commandContext, TaskEntity task) {
boolean assignedToNoOne = false;
if (IdentityLinkType.ASSIGNEE.equals(identityType)) {
commandContext.getTaskEntityManager().changeTaskAssignee(task, identityId);
assignedToNoOne = identityId == null;
} else if (IdentityLinkType.OWNER.equals(identityType)) {
commandContext.getTaskEntityManager().changeTaskOwner(task, identityId);
} else if (IDENTITY_USER == identityIdType) {
task.addUserIdentityLink(identityId, identityType);
} else if (IDENTITY_GROUP == identityIdType) {
task.addGroupIdentityLink(identityId, identityType);
}
boolean forceNullUserId = false;
if (assignedToNoOne) {
// ACT-1317: Special handling when assignee is set to NULL, a
// CommentEntity notifying of assignee-delete should be created
forceNullUserId = true;
}
if (IDENTITY_USER == identityIdType) {
commandContext.getHistoryManager().createUserIdentityLinkComment(taskId, identityId, identityType, true, forceNullUserId);
} else {
commandContext.getHistoryManager().createGroupIdentityLinkComment(taskId, identityId, identityType, true);
}
return null;
}
}