tooling/org.eclipse.smila.processing.designer.ui/code/src/org/eclipse/smila/processing/designer/ui/commands/AddToListFeatureCommand.java

/***********************************************************************************************************************
 * Copyright (c) 2010 Attensity Europe GmbH. All rights reserved. This program and the accompanying materials are made
 * available under the terms of the Eclipse Public License v1.0 which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 **********************************************************************************************************************/
package org.eclipse.smila.processing.designer.ui.commands;

import java.util.List;

import org.eclipse.bpel.ui.commands.AddToListCommand;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EStructuralFeature;

/**
 * Adds a new value to a {@link List} attribute of an {@link EObject}.
 * 
 * Copyright (c) 2011 Attensity Europe GmbH
 * 
 * @author Tobias Liefke
 */
public class AddToListFeatureCommand extends AddToListCommand {
  private final EStructuralFeature feature;

  /**
   * Creates a new instance of AddToListFeatureCommand.
   * 
   * @param target
   *          the object that contains the list to modify
   * @param newElement
   *          the new element to add to the list
   * @param feature
   *          the id of the list attribute
   */
  public AddToListFeatureCommand(EObject target, Object newElement, EStructuralFeature feature) {
    this(target, newElement, feature, "Add value");
  }

  /**
   * Creates a new instance of RemoveFromListFeatureCommand.
   * 
   * @param target
   *          the object that contains the list to modify
   * @param newElement
   *          the new element to add to the list
   * @param feature
   *          the id of the list attribute
   * @param label
   *          the label of the command (for undo)
   */
  public AddToListFeatureCommand(EObject target, Object newElement, EStructuralFeature feature, String label) {
    super(target, newElement, label);
    this.feature = feature;
  }

  @Override
  protected List<?> getList() {
    return (List<?>) target.eGet(feature);
  }
}