content: /*
   * Copyright 2010-2025 Hyland Software, Inc. and its affiliates.
   *
   * 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.delegate.event.ActivitiEventType;
  import org.activiti.engine.delegate.event.impl.ActivitiEventBuilder;
  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.ExecutionEntity;
  import org.activiti.engine.task.Attachment;
  
  /**
  
   */
  public class SaveAttachmentCmd implements Command<Object>, Serializable {
  
      private static final long serialVersionUID = 1L;
      protected Attachment attachment;
  
      public SaveAttachmentCmd(Attachment attachment) {
          this.attachment = attachment;
      }
  
      public Object execute(CommandContext commandContext) {
          AttachmentEntity updateAttachment = commandContext.getAttachmentEntityManager().findById(attachment.getId());
  
          String processInstanceId = updateAttachment.getProcessInstanceId();
          String processDefinitionId = null;
          if (updateAttachment.getProcessInstanceId() != null) {
              ExecutionEntity process = commandContext.getExecutionEntityManager().findById(processInstanceId);
              if (process != null) {
                  processDefinitionId = process.getProcessDefinitionId();
              }
          }
          executeInternal(commandContext, updateAttachment, processInstanceId, processDefinitionId);
          return null;
      }
  
      protected void executeInternal(
          CommandContext commandContext,
          AttachmentEntity updateAttachment,
          String processInstanceId,
          String processDefinitionId
      ) {
          updateAttachment.setName(attachment.getName());
          updateAttachment.setDescription(attachment.getDescription());
  
          if (commandContext.getProcessEngineConfiguration().getEventDispatcher().isEnabled()) {
              commandContext
                  .getProcessEngineConfiguration()
                  .getEventDispatcher()
                  .dispatchEvent(
                      ActivitiEventBuilder.createEntityEvent(
                          ActivitiEventType.ENTITY_UPDATED,
                          attachment,
                          processInstanceId,
                          processInstanceId,
                          processDefinitionId
                      )
                  );
          }
      }
  }
  