/* 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 org.activiti.engine.impl.identity.Authentication;
import org.activiti.engine.impl.interceptor.Command;
import org.activiti.engine.impl.interceptor.CommandContext;
import org.activiti.engine.impl.persistence.entity.AttachmentEntity;
import org.activiti.engine.impl.persistence.entity.CommentEntity;
import org.activiti.engine.impl.persistence.entity.CommentManager;
import org.activiti.engine.impl.util.ClockUtil;
import org.activiti.engine.task.Event;
/**
* @author Tom Baeyens
*/
public class DeleteAttachmentCmd implements Command<Object>, Serializable {
private static final long serialVersionUID = 1L;
protected String attachmentId;
public DeleteAttachmentCmd(String attachmentId) {
this.attachmentId = attachmentId;
}
public Object execute(CommandContext commandContext) {
AttachmentEntity attachment = commandContext
.getDbSqlSession()
.selectById(AttachmentEntity.class, attachmentId);
commandContext
.getDbSqlSession()
.delete(AttachmentEntity.class, attachmentId);
if (attachment.getTaskId()!=null) {
CommentManager commentManager = commandContext.getCommentManager();
if (commentManager.isHistoryEnabled()) {
String authenticatedUserId = Authentication.getAuthenticatedUserId();
CommentEntity comment = new CommentEntity();
comment.setUserId(authenticatedUserId);
comment.setType(CommentEntity.TYPE_EVENT);
comment.setTime(ClockUtil.getCurrentTime());
comment.setAction(Event.ACTION_DELETE_ATTACHMENT);
comment.setMessage(attachment.getName());
comment.setTaskId(attachment.getTaskId());
commentManager.insert(comment);
}
}
return null;
}
}