/*
 * Copyright (c) 2014, 2017 Oracle and/or its affiliates. All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0, which is available at
 * http://www.eclipse.org/legal/epl-2.0.
 *
 * This Source Code may also be made available under the following Secondary
 * Licenses when the conditions for such availability set forth in the
 * Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
 * version 2 with the GNU Classpath Exception, which is available at
 * https://www.gnu.org/software/classpath/license.html.
 *
 * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
 */

package org.glassfish.tyrus.core.cluster;

/**
 * Session listener.
 * <p>
 * Allows to keep track of opened/closed sessions.
 *
 * @author Pavel Bucek
 */
public interface SessionListener {

    /**
     * Invoked when session is opened.
     *
     * @param sessionId session id of opened session.
     */
    void onSessionOpened(String sessionId);

    /**
     * Invoked when session is closed.
     *
     * @param sessionId session id of closed session.
     */
    void onSessionClosed(String sessionId);
}
