src/java/org/apache/commons/dbcp/jdbc2pool/PoolKey.java

/* 
 * $Header: /home/jerenkrantz/tmp/commons/commons-convert/cvs/home/cvs/jakarta-commons//dbcp/src/java/org/apache/commons/dbcp/jdbc2pool/Attic/PoolKey.java,v 1.5 2003/06/29 12:42:16 mpoeschl Exp $
 * $Revision: 1.5 $
 * $Date: 2003/06/29 12:42:16 $
 * 
 * ====================================================================
 * 
 * The Apache Software License, Version 1.1
 *
 * Copyright (c) 2001-2003 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" and "Apache Software Foundation" and 
 *    "Apache Turbine" 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.
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 * 5. Products derived from this software may not be called "Apache",
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 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
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 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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 * 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.dbcp.jdbc2pool;
 
import java.io.Serializable;

class PoolKey implements Serializable {
    private String datasourceName;
    private String username;
    
    PoolKey(String datasourceName, String username) {
        this.datasourceName = datasourceName;
        this.username = username;
    }
    
    public boolean equals(Object obj) {
        if (obj instanceof PoolKey) {
            PoolKey pk = (PoolKey)obj;
            return (null == datasourceName ? null == pk.datasourceName : datasourceName.equals(pk.datasourceName)) &&
                (null == username ? null == pk.username : username.equals(pk.username));
        } else {
            return false;   
        }
    }

    public int hashCode() {
        int h = 0;
        if (datasourceName != null) {
            h += datasourceName.hashCode();
        }
        if (username != null) {
            h = 29 * h + username.hashCode();
        }
        return h;
    }

    public String toString() {
        StringBuffer sb = new StringBuffer(50);
        sb.append("PoolKey(");
        sb.append(username).append(", ").append(datasourceName);
        sb.append(')');
        return sb.toString();
    }
}