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// GenericsNote: Converted.
/*
* 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.jivesoftware.smack.util.collections;
/**
* Abstract pair class to assist with creating KeyValue and MapEntry implementations.
*
* @author James Strachan
* @author Michael A. Smith
* @author Neil O'Toole
* @author Matt Hall, John Watkinson, Stephen Colebourne
* @version $Revision: 1.1 $ $Date: 2005/10/11 17:05:32 $
* @since Commons Collections 3.0
*/
public abstract class AbstractKeyValue <K,V> implements KeyValue<K, V> {
/**
* The key
*/
protected K key;
/**
* The value
*/
protected V value;
/**
* Constructs a new pair 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
*/
protected AbstractKeyValue(K key, V value) {
super();
this.key = key;
this.value = value;
}
/**
* Gets the key from the pair.
*
* @return the key
*/
public K getKey() {
return key;
}
/**
* Gets the value from the pair.
*
* @return the value
*/
public V getValue() {
return value;
}
/**
* Gets a debugging String view of the pair.
*
* @return a String view of the entry
*/
public String toString() {
return new StringBuilder().append(getKey()).append('=').append(getValue()).toString();
}
}
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