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Posted to dev@commons.apache.org by ba...@apache.org on 2002/05/08 20:46:21 UTC
cvs commit: jakarta-commons-sandbox/simplestore/src/java/org/apache/commons/simplestore/persistence/impl KeyPair.java
baliuka 02/05/08 11:46:21
Added: simplestore/src/java/org/apache/commons/simplestore/persistence/impl
KeyPair.java
Log:
Revision Changes Path
1.1 jakarta-commons-sandbox/simplestore/src/java/org/apache/commons/simplestore/persistence/impl/KeyPair.java
Index: KeyPair.java
===================================================================
/*
* The Apache Software License, Version 1.1
*
*
* Copyright (c) 2001 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Apache Cocoon" and "Apache Software Foundation" must
* not be used to endorse or promote products derived from this
* software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache",
* nor may "Apache" appear in their name, without prior written
* permission of the Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/
package org.apache.commons.simplestore.persistence.impl;
/**
*@author Juozas Baliuka <a href="mailto:baliuka@mwm.lt">
* baliuka@mwm.lt</a>
*@version $Id: KeyPair.java,v 1.1 2002/05/08 18:46:21 baliuka Exp $
*/
public class KeyPair {
Object left;
Object right;
/** Creates a new instance of KeyPair */
public KeyPair(Object left,Object right) {
this.left = left;
this.right = right;
}
public int hashCode() {
int retValue;
retValue = ( left == null ? 0 : left.hashCode() );
retValue = ( right == null ? retValue : right.hashCode()^retValue );
return retValue;
}
public boolean equals(Object obj) {
if ( obj != null ){
if( obj instanceof KeyPair ){
KeyPair object = (KeyPair)obj;
return
( left == null ? object.left == null : left.equals(object.left) )&&
( right == null ? object.right == null : right.equals(object.right) );
}else{
return false;
}
}else{
return false;
}
}
}
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