org.glassfish.grizzly.nio.AbstractNIOConnectionDistributor Maven / Gradle / Ivy

/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 2008-2011 Oracle 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://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
 * or packager/legal/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 packager/legal/LICENSE.txt.
 *
 * GPL Classpath Exception:
 * Oracle designates this particular file as subject to the "Classpath"
 * exception as provided by Oracle 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 org.glassfish.grizzly.nio;

import java.io.IOException;
import java.nio.channels.SelectableChannel;
import org.glassfish.grizzly.GrizzlyFuture;
import org.glassfish.grizzly.impl.FutureImpl;
import org.glassfish.grizzly.utils.Futures;

/**
 *
 * @author Alexey Stashok
 */
public abstract class AbstractNIOConnectionDistributor 
        implements NIOChannelDistributor {
    
    protected final NIOTransport transport;

    public AbstractNIOConnectionDistributor(final NIOTransport transport) {
        this.transport = transport;
    }

    @Override
    public final void registerChannel(final SelectableChannel channel)
            throws IOException {
        registerChannel(channel, 0, null);
    }

    @Override
    public final void registerChannel(final SelectableChannel channel,
            final int interestOps) throws IOException {
        registerChannel(channel, interestOps, null);
    }
    
    @Override
    public final GrizzlyFuture registerChannelAsync(
            final SelectableChannel channel) {
        return registerChannelAsync(channel, 0, null);
    }

    @Override
    public final GrizzlyFuture registerChannelAsync(
            final SelectableChannel channel, final int interestOps) {
        return registerChannelAsync(channel, interestOps, null);
    }

    @Override
    public final GrizzlyFuture registerChannelAsync(
            final SelectableChannel channel, final int interestOps,
            final Object attachment) {

        final FutureImpl future =
                Futures.createSafeFuture();
        
        registerChannelAsync(channel, interestOps, attachment,
                Futures.toCompletionHandler(future));
        
        return future;
    }

    protected SelectorRunner[] getTransportSelectorRunners() {
        return transport.getSelectorRunners();
    }
}