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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
* Copyright (C) 2010 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; 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
*/
#pragma once
#include <boost/unordered_map.hpp>
#include <drizzled/identifier.h>
namespace drizzled {
class Session;
namespace table {
namespace instance {
class Shared;
}
class Concurrent;
typedef boost::unordered_multimap< identifier::Table::Key, Concurrent *> CacheMap;
typedef std::pair< CacheMap::const_iterator, CacheMap::const_iterator > CacheRange;
class Cache
{
CacheMap cache;
public:
static inline Cache &singleton()
{
static Cache open_cache;
return open_cache;
}
CacheMap &getCache()
{
return cache;
}
void rehash(size_t arg)
{
cache.rehash(arg);
}
bool areTablesUsed(Table *table, bool wait_for_name_lock);
void removeSchema(const identifier::Schema &schema_identifier);
bool removeTable(Session *session, identifier::Table &identifier, uint32_t flags);
void release(table::instance::Shared *share);
bool insert(table::Concurrent *arg);
boost::mutex &mutex()
{
return _mutex;
}
private:
boost::mutex _mutex;
};
CacheMap &getCache(void);
void remove_table(table::Concurrent *arg);
} /* namepsace table */
} /* namepsace drizzled */
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