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/* - mode: c; c-basic-offset: 2; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
*
* Copyright (C) 2010 Brian Aker
*
* 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; either version 2 of the License, or
* (at your option) any later version.
*
* 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
*/
#ifndef DRIZZLED_DEFINITION_CACHE_H
#define DRIZZLED_DEFINITION_CACHE_H
#include <drizzled/table/instance.h>
namespace drizzled {
namespace generator {
class TableDefinitionCache;
}
namespace definition {
class Cache
{
public:
static inline Cache &singleton()
{
static Cache open_cache;
return open_cache;
}
size_t size() const
{
return cache.size();
}
void rehash(size_t arg)
{
cache.rehash(arg);
}
table::instance::Shared::shared_ptr find(const identifier::Table::Key &identifier);
void erase(const identifier::Table::Key &identifier);
bool insert(const identifier::Table::Key &identifier, table::instance::Shared::shared_ptr share);
protected:
friend class drizzled::generator::TableDefinitionCache;
void CopyFrom(table::instance::Shared::vector &vector);
private:
typedef boost::unordered_map< identifier::Table::Key, table::instance::Shared::shared_ptr> Map;
Map cache;
boost::mutex _mutex;
};
} /* namespace definition */
} /* namespace drizzled */
#endif /* DRIZZLED_DEFINITION_CACHE_H */
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