org.jboss.ejb.client.remoting.RemotingConnectionManager Maven / Gradle / Ivy

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This artifact provides a single jar that contains all classes required to use remote EJB and JMS, including all dependencies. It is intended for use by those not using maven, maven users should just import the EJB and JMS BOM's instead (shaded JAR's cause lots of problems with maven, as it is very easy to inadvertently end up with different versions on classes on the class path).

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/*
 * JBoss, Home of Professional Open Source.
 * Copyright 2013, Red Hat, Inc., and individual contributors
 * as indicated by the @author tags. See the copyright.txt file in the
 * distribution for a full listing of individual contributors.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */

package org.jboss.ejb.client.remoting;

import org.jboss.ejb.client.EJBClientConfiguration;
import org.jboss.logging.Logger;
import org.jboss.remoting3.Connection;
import org.jboss.remoting3.Endpoint;

import java.io.IOException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

/**
 * A {@link RemotingConnectionManager} can be used to obtain remoting {@link Connection} by passing it the connection configurations.
 * A {@link RemotingConnectionManager} will act as a central entity for creating the connections and internally will interact with pooled
 * connections.
 *
 * @author: Jaikiran Pai
 */
class RemotingConnectionManager {

    private static final Logger logger = Logger.getLogger(RemotingConnectionManager.class);

    private final ConnectionPool connectionPool = ConnectionPool.INSTANCE;

    private final List managedConnections = Collections.synchronizedList(new ArrayList());

    Connection getConnection(final Endpoint endpoint, final String protocol, final String host, final int port, final EJBClientConfiguration.CommonConnectionCreationConfiguration connectionConfiguration) throws IOException {
        final Connection connection = this.connectionPool.getConnection(endpoint, protocol, host, port, connectionConfiguration);
        // track this connection so that we can release it back to the pool when appropriate
        trackConnection(connection);
        return connection;
    }

    /**
     * Closes all the "managed" connections that were handed out by this {@link RemotingConnectionManager}. A "close"
     * doesn't necessarily translate to a real close of the {@link Connection} since these "managed" connections are pooled connections
     */
    void safeClose() {
        synchronized (managedConnections) {
            for (final Connection connection : this.managedConnections) {
                try {
                    connection.close();
                } catch (Throwable t) {
                    logger.debugf(t, "Failed to close %s", connection);
                }
            }
        }
    }

    private void trackConnection(final Connection connection) {
        this.managedConnections.add(connection);
    }
}