/*

  * Copyright 2007-2009 The Kuali Foundation

  *

  * Licensed under the Educational Community 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.opensource.org/licenses/ecl2.php

  *

  * 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.kuali.rice.core.database;

 import java.sql.Connection;

 import java.sql.SQLException;

 import java.util.Map;

 import org.apache.commons.dbcp.PoolingConnection;

 import org.apache.commons.pool.KeyedObjectPool;

 /**

  * A subclass of Apache DBCP's PoolingConnection class.  This class generates a unique

  * toString value for each instance of this class, because XApool relies on such behavior

  * 

  * @author Kuali Rice Team (rice.collab@kuali.org)

  *

  */

 public class PreparedStatementCachingConnection extends PoolingConnection {

         private String stringRepresentation;

         public PreparedStatementCachingConnection(Connection conn, KeyedObjectPool preparedStatementCache) {

                 super(conn, preparedStatementCache);

                 stringRepresentation = null;

         }

         @Override

         public String toString() {

                 // for some reason, XAPool uses the connection's toString as a unique identifier for the connection

                 // this method should provide that unique identifier

                 if (stringRepresentation == null) {

                         stringRepresentation = "PreparedStatementCachingConnection: " + System.identityHashCode(this); 

                 }

                 return stringRepresentation;

         }

 }