/* * 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.keyvalue; import java.util.Map; import org.apache.commons.collections.KeyValue; /** * A restricted implementation of {@link java.util.Map.Entry} that prevents * the MapEntry contract from being broken. * * @since Commons Collections 3.0 * @version $Revision: 438363 $ $Date: 2006-08-30 05:48:00 +0100 (Wed, 30 Aug 2006) $ * * @author James Strachan * @author Michael A. Smith * @author Neil O'Toole * @author Stephen Colebourne */ public final class DefaultMapEntry extends AbstractMapEntry { /** * Constructs a new entry with the specified key and given value. * * @param key the key for the entry, may be null * @param value the value for the entry, may be null */ public DefaultMapEntry(final Object key, final Object value) { super(key, value); } /** * Constructs a new entry from the specified KeyValue. * * @param pair the pair to copy, must not be null * @throws NullPointerException if the entry is null */ public DefaultMapEntry(final KeyValue pair) { super(pair.getKey(), pair.getValue()); } /** * Constructs a new entry from the specified MapEntry. * * @param entry the entry to copy, must not be null * @throws NullPointerException if the entry is null */ public DefaultMapEntry(final Map.Entry entry) { super(entry.getKey(), entry.getValue()); } }