fish.payara.persistence.eclipselink.cache.coordination.HazelcastPublishingTransportManager Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of payara-micro Show documentation
Micro Distribution of the Payara Project
There is a newer version: 7.2024.1.Alpha1
/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 2016-2018 Payara Foundation and/or its affiliates. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://github.com/payara/Payara/blob/master/LICENSE.txt
 * See the License for the specific
 * language governing permissions and limitations under the License.
 *
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at glassfish/legal/LICENSE.txt.
 *
 * GPL Classpath Exception:
 * The Payara Foundation designates this particular file as subject to the "Classpath"
 * exception as provided by the Payara Foundation in the GPL Version 2 section of the License
 * file that accompanied this code.
 *
 * Modifications:
 * If applicable, add the following below the License Header, with the fields
 * enclosed by brackets [] replaced by your own identifying information:
 * "Portions Copyright [year] [name of copyright owner]"
 *
 * Contributor(s):
 * If you wish your version of this file to be governed by only the CDDL or
 * only the GPL Version 2, indicate your decision by adding "[Contributor]
 * elects to include this software in this distribution under the [CDDL or GPL
 * Version 2] license."  If you don't indicate a single choice of license, a
 * recipient has the option to distribute your version of this file under
 * either the CDDL, the GPL Version 2 or to extend the choice of license to
 * its licensees as provided above.  However, if you add GPL Version 2 code
 * and therefore, elected the GPL Version 2 license, then the option applies
 * only if the new code is made subject to such option by the copyright
 * holder.
 */
package fish.payara.persistence.eclipselink.cache.coordination;

import org.eclipse.persistence.internal.sessions.coordination.RemoteConnection;
import org.eclipse.persistence.sessions.coordination.broadcast.BroadcastTransportManager;

import java.util.Collections;
import java.util.Map;
import java.util.logging.Logger;

/**
 * Hazelcast based {@link BroadcastTransportManager}.
 *
 * @author Sven Diedrichsen
 */
public class HazelcastPublishingTransportManager extends BroadcastTransportManager {

    private static final Logger LOG = Logger.getLogger(HazelcastPublishingTransportManager.class.getName());
    /**
     * The connection with the hz topic.
     */
    private HazelcastTopicRemoteConnection connection;

    public HazelcastPublishingTransportManager() {
        super();
        LOG.info("HazelcastPublishingTransportManager initialized.");
    }

    /**
     * Method to return the connection with the hazelcast topic.
     *
     * @return Map containing the hz connection.
     */
    @Override
    public Map getConnectionsToExternalServicesForCommandPropagation() {
        if (this.connection != null) {
            return Collections.singletonMap(this.connection.getServiceId().getId(), this.connection);
        }
        return Collections.emptyMap();
    }

    /**
     * Creates the hz connection.
     */
    @Override
    public void createLocalConnection() {
        this.connection = new HazelcastTopicRemoteConnection(this.getRemoteCommandManager());
    }

    /**
     * Closes and removes the connection.
     */
    @Override
    public void removeLocalConnection() {
        if (this.connection != null) {
            this.connection.close();
            this.connection = null;
        }
    }

}