- /*
- * 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: 1.5 $ $Date: 2004/06/02 21:53:02 $
- *
- * @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();
- }
-
- }