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    • org.camunda.bpm.engine.impl.cmd.DelegateTaskCmd 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.camunda.bpm.engine.impl.cmd;

import java.io.Serializable;

import org.camunda.bpm.engine.ProcessEngineException;
import org.camunda.bpm.engine.history.UserOperationLogEntry;
import org.camunda.bpm.engine.impl.interceptor.Command;
import org.camunda.bpm.engine.impl.interceptor.CommandContext;
import org.camunda.bpm.engine.impl.persistence.entity.TaskEntity;


/**
 * @author Tom Baeyens
 */
public class DelegateTaskCmd implements Command, Serializable {

  private static final long serialVersionUID = 1L;

  protected String taskId;
  protected String userId;

  public DelegateTaskCmd(String taskId, String userId) {
    this.taskId = taskId;
    this.userId = userId;
  }

  public Object execute(CommandContext commandContext) {
    if(taskId == null) {
      throw new ProcessEngineException("taskId is null");
    }

    TaskEntity task = commandContext
      .getTaskManager()
      .findTaskById(taskId);

    if (task == null) {
      throw new ProcessEngineException("Cannot find task with id " + taskId);
    }

    task.delegate(userId);

    task.createHistoricTaskDetails(UserOperationLogEntry.OPERATION_TYPE_DELEGATE);

    return null;
  }

}
    
    
    
    

    




    
    
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