PoolableManagedConnection.java

/*
 * 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.datanucleus.store.rdbms.datasource.dbcp.managed;

import java.sql.Connection;
import java.sql.SQLException;

import org.datanucleus.store.rdbms.datasource.dbcp.AbandonedConfig;
import org.datanucleus.store.rdbms.datasource.dbcp.PoolableConnection;
import org.datanucleus.store.rdbms.datasource.dbcp.pool.ObjectPool;

/**
 * PoolableConnection that unregisters from TransactionRegistry on Connection real destroy.
 * 
 * @see PoolableConnection
 * @version $Revision$ $Date$
 */
public class PoolableManagedConnection extends PoolableConnection {
    private final TransactionRegistry transactionRegistry;

    /**
     * Create a PoolableManagedConnection.
     * 
     * @param transactionRegistry transaction registry 
     * @param conn underlying connection
     * @param pool connection pool
     * @param config abandoned configuration settings
     */
    public PoolableManagedConnection(TransactionRegistry transactionRegistry, Connection conn, ObjectPool pool, AbandonedConfig config) {
        super(conn, pool, config);
        this.transactionRegistry = transactionRegistry;
    }
    
    /**
     * Create a PoolableManagedConnection.
     * 
     * @param transactionRegistry transaction registry 
     * @param conn underlying connection
     * @param pool connection pool
     */
    public PoolableManagedConnection(TransactionRegistry transactionRegistry, Connection conn, ObjectPool pool) {
        super(conn, pool);
        this.transactionRegistry = transactionRegistry;
    }


    /**
     * Actually close the underlying connection.
     */
    public void reallyClose() throws SQLException {
        try {
            super.reallyClose();
        } finally {
            transactionRegistry.unregisterConnection(this);
        }
    }
}