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/* 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.impl.interceptor.Command;
import org.camunda.bpm.engine.impl.interceptor.CommandContext;

import static org.camunda.bpm.engine.impl.util.EnsureUtil.ensureNotNull;


/**
 * @author Tom Baeyens
 */
public class DeleteUserCmd extends AbstractWritableIdentityServiceCmd implements Command, Serializable {

  private static final long serialVersionUID = 1L;
  String userId;
  
  public DeleteUserCmd(String userId) {
    this.userId = userId;
  }
  
  protected Void executeCmd(CommandContext commandContext) {
    ensureNotNull("userId", userId);

    // delete user picture
    new DeleteUserPictureCmd(userId).execute(commandContext);

    commandContext.getIdentityInfoManager()
      .deleteUserInfoByUserId(userId);

    commandContext
      .getWritableIdentityProvider()
      .deleteUser(userId);

    return null;
  }
}