| /* |
| * Copyright 2003-2004 The Apache Software Foundation |
| * |
| * 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.apache.commons.collections.bag; |
| |
| import java.util.Set; |
| |
| import org.apache.commons.collections.Bag; |
| import org.apache.commons.collections.collection.AbstractCollectionDecorator; |
| |
| /** |
| * Decorates another <code>Bag</code> to provide additional behaviour. |
| * <p> |
| * Methods are forwarded directly to the decorated bag. |
| * |
| * @since Commons Collections 3.0 |
| * @version $Revision: 1.1 $ $Date: 2009/05/27 22:16:34 $ |
| * |
| * @author Stephen Colebourne |
| */ |
| public abstract class AbstractBagDecorator |
| extends AbstractCollectionDecorator implements Bag { |
| |
| /** |
| * Constructor only used in deserialization, do not use otherwise. |
| * @since Commons Collections 3.1 |
| */ |
| protected AbstractBagDecorator() { |
| super(); |
| } |
| |
| /** |
| * Constructor that wraps (not copies). |
| * |
| * @param bag the bag to decorate, must not be null |
| * @throws IllegalArgumentException if list is null |
| */ |
| protected AbstractBagDecorator(Bag bag) { |
| super(bag); |
| } |
| |
| /** |
| * Gets the bag being decorated. |
| * |
| * @return the decorated bag |
| */ |
| protected Bag getBag() { |
| return (Bag) getCollection(); |
| } |
| |
| //----------------------------------------------------------------------- |
| public int getCount(Object object) { |
| return getBag().getCount(object); |
| } |
| |
| public boolean add(Object object, int count) { |
| return getBag().add(object, count); |
| } |
| |
| public boolean remove(Object object, int count) { |
| return getBag().remove(object, count); |
| } |
| |
| public Set uniqueSet() { |
| return getBag().uniqueSet(); |
| } |
| |
| } |