Drizzled Public API Documentation

transaction_log_applier.h

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00001 /* - mode: c; c-basic-offset: 2; indent-tabs-mode: nil; -*-
00002  *  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
00003  *
00004  *  Copyright (C) 2008-2009 Sun Microsystems, Inc.
00005  *  Copyright (C) 2010 Jay Pipes <jaypipes@gmail.com>
00006  *
00007  *  Authors:
00008  *
00009  *  Jay Pipes <jaypipes@gmail.com.com>
00010  *
00011  *  This program is free software; you can redistribute it and/or modify
00012  *  it under the terms of the GNU General Public License as published by
00013  *  the Free Software Foundation; either version 2 of the License, or
00014  *  (at your option) any later version.
00015  *
00016  *  This program is distributed in the hope that it will be useful,
00017  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00018  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00019  *  GNU General Public License for more details.
00020  *
00021  *  You should have received a copy of the GNU General Public License
00022  *  along with this program; if not, write to the Free Software
00023  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
00024  */
00025 
00035 #pragma once
00036 
00037 #include <drizzled/replication_services.h>
00038 #include <drizzled/plugin/transaction_applier.h>
00039 
00040 #include "transaction_log_entry.h"
00041 
00042 #include <vector>
00043 #include <string>
00044 
00045 namespace drizzled
00046 {
00047   class Session;
00048 }
00049 
00050 class TransactionLog;
00051 class TransactionLogIndex;
00052 class WriteBuffer;
00053 
00054 class TransactionLogApplier: public drizzled::plugin::TransactionApplier 
00055 {
00056 public:
00057   TransactionLogApplier(const std::string name_arg,
00058                         TransactionLog *in_transaction_log,
00059                         TransactionLogIndex *in_transaction_log_index,
00060                         uint32_t in_num_write_buffers);
00061 
00063   ~TransactionLogApplier();
00064 
00081   drizzled::plugin::ReplicationReturnCode
00082   apply(drizzled::Session &in_session,
00083         const drizzled::message::Transaction &to_apply);
00084 private:
00085   /* Don't allows these */
00086   TransactionLogApplier();
00087   TransactionLogApplier(const TransactionLogApplier &other);
00088   TransactionLogApplier &operator=(const TransactionLogApplier &other);
00093   TransactionLog *transaction_log;
00094   TransactionLogIndex *transaction_log_index;
00095   uint32_t num_write_buffers; 
00096   std::vector<WriteBuffer *> write_buffers; 
00097 
00103   WriteBuffer *getWriteBuffer(const drizzled::Session &session);
00104 };
00105