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 * and Distribution License("CDDL") (collectively, the "License").  You
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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();
    }
}




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