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Commons Collections example source code file (AbstractMapEntry.java)
The Commons Collections AbstractMapEntry.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.keyvalue;
import java.util.Map;
/**
* Abstract Pair class to assist with creating correct
* {@link java.util.Map.Entry Map.Entry} implementations.
*
* @since Commons Collections 3.0
* @version $Revision: 646777 $ $Date: 2008-04-10 13:33:15 +0100 (Thu, 10 Apr 2008) $
*
* @author James Strachan
* @author Michael A. Smith
* @author Neil O'Toole
* @author Stephen Colebourne
*/
public abstract class AbstractMapEntry extends AbstractKeyValue implements Map.Entry {
/**
* Constructs a new entry with the given key and given value.
*
* @param key the key for the entry, may be null
* @param value the value for the entry, may be null
*/
protected AbstractMapEntry(Object key, Object value) {
super(key, value);
}
// Map.Entry interface
//-------------------------------------------------------------------------
/**
* Sets the value stored in this <code>Map.Entry.
* <p>
* This <code>Map.Entry is not connected to a Map, so only the
* local data is changed.
*
* @param value the new value
* @return the previous value
*/
public Object setValue(Object value) {
Object answer = this.value;
this.value = value;
return answer;
}
/**
* Compares this <code>Map.Entry with another
Other Commons Collections examples (source code examples)Here is a short list of links related to this Commons Collections AbstractMapEntry.java source code file: |
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