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/*
 * The contents of this file are subject to the terms 
 * of the Common Development and Distribution License 
 * (the "License").  You may not use this file except 
 * in compliance with the License.
 * 
 * You can obtain a copy of the license at 
 * glassfish/bootstrap/legal/CDDLv1.0.txt or 
 * https://glassfish.dev.java.net/public/CDDLv1.0.html. 
 * See the License for the specific language governing 
 * permissions and limitations under the License.
 * 
 * When distributing Covered Code, include this CDDL 
 * HEADER in each file and include the License file at 
 * glassfish/bootstrap/legal/CDDLv1.0.txt.  If applicable, 
 * add the following below this CDDL HEADER, with the 
 * fields enclosed by brackets "[]" replaced with your 
 * own identifying information: Portions Copyright [yyyy] 
 * [name of copyright owner]
 */
// Copyright (c) 1998, 2007, Oracle. All rights reserved.  
package oracle.toplink.essentials.internal.sequencing;

import oracle.toplink.essentials.internal.databaseaccess.Accessor;
import oracle.toplink.essentials.threetier.ConnectionPool;

class ServerSessionConnectionHandler implements SequencingConnectionHandler {
    ServerSessionConnectionHandler(ConnectionPool pool) {
        this.pool = pool;
    }

    ConnectionPool pool;

    public void onConnect() {
        if (!isConnected()) {
            pool.startUp();
        }
    }

    public boolean isConnected() {
        return pool.isConnected();
    }

    public Accessor acquireAccessor() {
        return pool.acquireConnection();
    }

    public void releaseAccessor(Accessor accessor) {
        pool.releaseConnection(accessor);
    }

    public void onDisconnect() {
        if (isConnected()) {
            pool.shutDown();
        }
    }

    protected void finalize() throws Throwable {
        onDisconnect();
    }
}