org.activiti.engine.impl.cmd.DeleteCommentCmd 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.ActivitiObjectNotFoundException;
import org.activiti.engine.impl.interceptor.Command;
import org.activiti.engine.impl.interceptor.CommandContext;
import org.activiti.engine.impl.persistence.entity.CommentEntity;
import org.activiti.engine.impl.persistence.entity.CommentEntityManager;
import org.activiti.engine.task.Comment;
import java.io.Serializable;
import java.util.ArrayList;
/**
*/
public class DeleteCommentCmd implements Command, Serializable {
private static final long serialVersionUID = 1L;
protected String taskId;
protected String processInstanceId;
protected String commentId;
public DeleteCommentCmd(String taskId, String processInstanceId, String commentId) {
this.taskId = taskId;
this.processInstanceId = processInstanceId;
this.commentId = commentId;
}
public Void execute(CommandContext commandContext) {
CommentEntityManager commentManager = commandContext.getCommentEntityManager();
if (commentId != null) {
// Delete for an individual comment
Comment comment = commentManager.findComment(commentId);
if (comment == null) {
throw new ActivitiObjectNotFoundException("Comment with id '" + commentId + "' doesn't exists.", Comment.class);
}
commentManager.delete((CommentEntity) comment);
} else {
// Delete all comments on a task of process
ArrayList comments = new ArrayList();
if (processInstanceId != null) {
comments.addAll(commentManager.findCommentsByProcessInstanceId(processInstanceId));
}
if (taskId != null) {
comments.addAll(commentManager.findCommentsByTaskId(taskId));
}
for (Comment comment : comments) {
commentManager.delete((CommentEntity) comment);
}
}
return null;
}
}