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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.util.Collection;

import org.camunda.bpm.engine.history.UserOperationLogEntry;
import org.camunda.bpm.engine.impl.core.variable.scope.AbstractVariableScope;

/**
 * @author Stefan Hentschel.
 */
public abstract class AbstractRemoveVariableCmd extends AbstractVariableCmd {

  private static final long serialVersionUID = 1L;

  protected final Collection variableNames;

  public AbstractRemoveVariableCmd(String entityId, Collection variableNames, boolean isLocal) {
    super(entityId, isLocal);
    this.variableNames = variableNames;
  }

  protected void executeOperation(AbstractVariableScope scope) {
    if (isLocal) {
      scope.removeVariablesLocal(variableNames);
    } else {
      scope.removeVariables(variableNames);
    }
  }

  protected String getLogEntryOperation() {
    return UserOperationLogEntry.OPERATION_TYPE_REMOVE_VARIABLE;
  }
}