org.camunda.bpm.engine.impl.cmd.PatchTaskVariablesCmd Maven / Gradle / Ivy

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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 java.util.Collection;
import java.util.Map;

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

/**
 * Patches task variables: First, applies modifications to existing variables and then deletes
 * specified variables.
 *
 * @author [email protected]
 *
 */
public class PatchTaskVariablesCmd implements Command, Serializable {

  private static final long serialVersionUID = 1L;

  protected String taskId;
  protected Map modifications;
  protected Collection deletions;
  protected boolean isLocal;

  public PatchTaskVariablesCmd(String taskId, Map modifications, Collection deletions, boolean isLocal) {
    this.modifications = modifications;
    this.deletions = deletions;
    this.taskId = taskId;
    this.isLocal = isLocal;
  }

  @Override
  public Void execute(CommandContext commandContext) {
    new SetTaskVariablesCmd(taskId, modifications, isLocal).execute(commandContext);
    new RemoveTaskVariablesCmd(taskId, deletions, isLocal).execute(commandContext);
    return null;
  }

}