~drizzle-trunk/drizzle/development

1405.6.1 by Jay Pipes
This patch adds the following functionality:
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/* - mode: c; c-basic-offset: 2; indent-tabs-mode: nil; -*-
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 *  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
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 *
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 * Copyright (c) 2010 Jay Pipes <jaypipes@gmail.com>
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 * All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions are met:
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 *
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 *   * Redistributions of source code must retain the above copyright notice,
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 *     this list of conditions and the following disclaimer.
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 *   * Redistributions in binary form must reproduce the above copyright notice,
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 *     this list of conditions and the following disclaimer in the documentation
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 *     and/or other materials provided with the distribution.
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 *   * Neither the name of Drizzle nor the names of its contributors
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 *     may be used to endorse or promote products derived from this software
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 *     without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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 * THE POSSIBILITY OF SUCH DAMAGE.
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 */
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#include "config.h"
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#include "streams.h"
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#include <drizzled/plugin/transaction_replicator.h>
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#include <drizzled/plugin/transaction_applier.h>
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using namespace std;
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using namespace drizzled;
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ReplicationStreamsTool::ReplicationStreamsTool() :
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  plugin::TableFunction("DATA_DICTIONARY", "REPLICATION_STREAMS")
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{
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  add_field("REPLICATOR");
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  add_field("APPLIER");
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}
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ReplicationStreamsTool::Generator::Generator(Field **arg) :
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  plugin::TableFunction::Generator(arg)
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{
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  ReplicationServices &replication_services= ReplicationServices::singleton();
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  ReplicationServices::ReplicationStreams &replication_streams=
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    replication_services.getReplicationStreams();
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  it= replication_streams.begin();
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  end= replication_streams.end();
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}
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bool ReplicationStreamsTool::Generator::populate()
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{
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  if (it == end)
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    return false;
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  plugin::TransactionReplicator *replicator= (*it).first;
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  plugin::TransactionApplier *applier= (*it).second;
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  /* REPLICATOR */
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  push(replicator->getName());
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  /* APPLIER */
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  push(applier->getName());
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  ++it;
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  return true;
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}