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Commons Collections example source code file (SortedBidiMap.java)
The Commons Collections SortedBidiMap.java source code/* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You 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; import java.util.SortedMap; /** * Defines a map that allows bidirectional lookup between key and values * and retains both keys and values in sorted order. * <p> * Implementations should allow a value to be looked up from a key and * a key to be looked up from a value with equal performance. * * @since Commons Collections 3.0 * @version $Revision: 646777 $ $Date: 2008-04-10 13:33:15 +0100 (Thu, 10 Apr 2008) $ * * @author Stephen Colebourne */ public interface SortedBidiMap extends OrderedBidiMap, SortedMap { /** * Gets a view of this map where the keys and values are reversed. * <p> * Changes to one map will be visible in the other and vice versa. * This enables both directions of the map to be accessed equally. * <p> * Implementations should seek to avoid creating a new object every time this * method is called. See <code>AbstractMap.values() etc. Calling this * method on the inverse map should return the original. * <p> * Implementations must return a <code>SortedBidiMap instance, * usually by forwarding to <code>inverseSortedBidiMap(). * * @return an inverted bidirectional map */ public BidiMap inverseBidiMap(); /** * Gets a view of this map where the keys and values are reversed. * <p> * Changes to one map will be visible in the other and vice versa. * This enables both directions of the map to be accessed as a <code>SortedMap. * <p> * Implementations should seek to avoid creating a new object every time this * method is called. See <code>AbstractMap.values() etc. Calling this * method on the inverse map should return the original. * <p> * The inverse map returned by <code>inverseBidiMap() should be the * same object as returned by this method. * * @return an inverted bidirectional map */ public SortedBidiMap inverseSortedBidiMap(); } Other Commons Collections examples (source code examples)Here is a short list of links related to this Commons Collections SortedBidiMap.java source code file: |
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