Drizzled Public API Documentation

transaction_manager.cc
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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) 2010 David Shrewsbury <shrewsbury.dave@gmail.com>
00005  *
00006  *  This program is free software; you can redistribute it and/or modify
00007  *  it under the terms of the GNU General Public License as published by
00008  *  the Free Software Foundation; version 2 of the License.
00009  *
00010  *  This program is distributed in the hope that it will be useful,
00011  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00012  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00013  *  GNU General Public License for more details.
00014  *
00015  *  You should have received a copy of the GNU General Public License
00016  *  along with this program; if not, write to the Free Software
00017  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
00018  */
00019 
00025 #include <config.h>
00026 #include "transaction_manager.h"
00027 
00028 using namespace std;
00029 using namespace drizzled;
00030 
00031 
00032 bool TransactionManager::store(const message::Transaction &transaction)
00033 {
00034   string msg;
00035   const message::TransactionContext trx_ctxt= transaction.transaction_context();
00036   uint64_t trx_id= trx_ctxt.transaction_id();
00037   transaction.SerializeToString(&msg);
00038 
00039   cache[trx_id].push_back(msg);
00040   return true;
00041 }
00042 
00043 bool TransactionManager::remove(uint64_t trx_id)
00044 {
00045   cache.erase(trx_id);
00046   return true;
00047 }
00048 
00049 bool TransactionManager::contains(uint64_t trx_id)
00050 {
00051   boost::unordered_map< uint64_t, vector<string> >::const_iterator it= cache.find(trx_id);
00052 
00053   if (it != cache.end())
00054     return true;
00055 
00056   return false;
00057 }
00058 
00059 uint32_t TransactionManager::getTransactionBufferSize(uint64_t trx_id)
00060 {
00061   return static_cast<uint32_t>(cache[trx_id].size());
00062 }
00063 
00064 bool TransactionManager::getTransactionMessage(message::Transaction &trx,
00065                                                uint64_t trx_id,
00066                                                uint32_t position)
00067 {
00068   trx.ParseFromString(cache[trx_id].at(position));
00069   return true;
00070 }