Drizzled Public API Documentation

transaction_log_entry.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  *
00006  *  Authors:
00007  *
00008  *  Jay Pipes <joinfu@sun.com>
00009  *
00010  *  This program is free software; you can redistribute it and/or modify
00011  *  it under the terms of the GNU General Public License as published by
00012  *  the Free Software Foundation; either version 2 of the License, or
00013  *  (at your option) any later version.
00014  *
00015  *  This program is distributed in the hope that it will be useful,
00016  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00017  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00018  *  GNU General Public License for more details.
00019  *
00020  *  You should have received a copy of the GNU General Public License
00021  *  along with this program; if not, write to the Free Software
00022  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
00023  */
00024 
00031 #pragma once
00032 
00033 #include <drizzled/replication_services.h>
00034 
00035 #include <string>
00036 
00040 class TransactionLogEntry
00041 {
00042 public:
00043   TransactionLogEntry(drizzled::ReplicationServices::MessageType in_type,
00044                       off_t in_offset,
00045                       size_t length);
00046   ~TransactionLogEntry();
00050   const char *getTypeAsString() const;
00054   off_t getOffset() const;
00058   size_t getLengthInBytes() const;
00059 private:
00060   enum drizzled::ReplicationServices::MessageType type; 
00061   off_t offset; 
00062   size_t length; 
00063 };
00064 
00065 class TransactionLogTransactionEntry
00066 {
00067 public:
00068   TransactionLogTransactionEntry(off_t in_offset,
00069                                  const drizzled::message::Transaction &transaction,
00070                                  uint32_t in_checksum);
00071   ~TransactionLogTransactionEntry();
00075   off_t getOffset() const;
00079   uint32_t getServerId() const;
00083   uint64_t getStartTimestamp() const;
00087   uint64_t getEndTimestamp() const;
00091   uint64_t getTransactionId() const;
00095   uint64_t getNumStatements() const;
00099   uint32_t getChecksum() const;
00100 private:
00101   off_t offset; 
00102   uint32_t server_id; 
00103   uint64_t transaction_id; 
00104   uint64_t start_timestamp; 
00105   uint64_t end_timestamp; 
00106   uint32_t num_statements; 
00107   uint32_t checksum; 
00108 };
00109