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A reactive Java web server.

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/*
 * Copyright (c) 1998-2015 Caucho Technology -- all rights reserved
 *
 * This file is part of Baratine(TM)(TM)
 *
 * Each copy or derived work must preserve the copyright notice and this
 * notice unmodified.
 *
 * Baratine is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * Baratine 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, or any warranty
 * of NON-INFRINGEMENT.  See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Baratine; if not, write to the
 *
 *   Free Software Foundation, Inc.
 *   59 Temple Place, Suite 330
 *   Boston, MA 02111-1307  USA
 *
 * @author Scott Ferguson
 */

package com.caucho.v5.amp.queue;

import java.util.concurrent.TimeUnit;

/**
 * empty ring blocker
 */
public final class RingBlockerNull implements RingBlocker
{
  @Override
  public final long nextOfferSequence()
  {
    return 0;
  }
  
  @Override
  public final boolean offerWait(long sequence,
                                 long timeout,
                                 TimeUnit unit)
  {
    return false;
  }

  @Override
  public final void offerWake()
  {
  }

  @Override
  public final boolean wake()
  {
    return true;
  }

  @Override
  public final void wakeAll()
  {
    wake();
  }
  
  @Override
  public final long nextPollSequence()
  {
    return 0;
  }
  

  @Override
  public final boolean pollWait(long sequence,
                                long timeout, 
                                TimeUnit unit)
  {
    return false;
  }
  
  @Override
  public final boolean isPollWait()
  {
    return false;
  }

  @Override
  public final void pollWake()
  {
  }
}