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/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
*
* Copyright (C) 2008 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; version 2 of the License.
*
* 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
*/
#include "config.h"
#include "drizzled/resource_context.h"
#include <cassert>
using namespace std;
namespace drizzled
{
/** Clear, prepare for reuse. */
void ResourceContext::reset()
{
monitored= NULL;
xa_resource_manager= NULL;
trx_storage_engine= NULL;
modified_data= false;
}
void ResourceContext::markModifiedData()
{
assert(isStarted());
modified_data= true;
}
bool ResourceContext::hasModifiedData() const
{
assert(isStarted());
return modified_data;
}
bool ResourceContext::isStarted() const
{
return monitored != NULL;
}
void ResourceContext::coalesceWith(const ResourceContext *stmt_ctx)
{
/*
Must be called only after the transaction has been started.
Can be called many times, e.g. when we have many
read-write statements in a transaction.
*/
assert(isStarted());
if (stmt_ctx->hasModifiedData())
markModifiedData();
}
} /* namespace drizzled */
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