~drizzle-trunk/drizzle/development

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/* - mode: c; c-basic-offset: 2; indent-tabs-mode: nil; -*-
 *  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
 *
 *  Copyright (C) 2008-2009 Sun Microsystems, Inc.
 *
 *  This program 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.
 *
 *  This program 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 General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */

/**
 * @file
 *
 * Defines the API of the default replicator.
 *
 * @see drizzled/plugin/transaction_replicator.h
 * @see drizzled/plugin/transaction_applier.h
 */

#pragma once

#include <drizzled/atomics.h>
#include <drizzled/plugin/transaction_replicator.h>

#include <vector>
#include <string>

class DefaultReplicator: public drizzled::plugin::TransactionReplicator
{
public:
  explicit DefaultReplicator(std::string name_arg)
    : drizzled::plugin::TransactionReplicator(name_arg) {}

  /** Destructor */
  ~DefaultReplicator() {}

  /**
   * Replicate a Transaction message to an Applier.
   *
   * @note
   *
   * It is important to note that memory allocation for the 
   * supplied pointer is not guaranteed after the completion 
   * of this function -- meaning the caller can dispose of the
   * supplied message.  Therefore, replicators and appliers 
   * implementing an asynchronous replication system must copy
   * the supplied message to their own controlled memory storage
   * area.
   *
   * @param Applier to replicate to
   * @param Session descriptor
   * @param Transaction message to be replicated
   */
  drizzled::plugin::ReplicationReturnCode
  replicate(drizzled::plugin::TransactionApplier *in_applier,
            drizzled::Session &in_session,
            drizzled::message::Transaction &to_replicate);
  
};