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/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
*
* Copyright (C) 2009 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
*/
#ifndef DRIZZLED_SESSION_CACHE_H
#define DRIZZLED_SESSION_CACHE_H
#include <list>
#include <drizzled/visibility.h>
namespace drizzled
{
class Session;
namespace session
{
class DRIZZLED_API Cache
{
typedef boost::shared_ptr<drizzled::Session> session_shared_ptr;
public:
typedef std::list<session_shared_ptr> list;
Cache() :
_ready_to_exit(false)
{
}
static inline Cache &singleton()
{
static Cache open_cache;
return open_cache;
}
list &getCache()
{
return cache;
}
boost::mutex &mutex()
{
return _mutex;
}
boost::condition_variable &cond()
{
return _end;
}
void shutdownFirst();
void shutdownSecond();
void erase(session_shared_ptr&);
size_t count();
void insert(session_shared_ptr &arg);
session_shared_ptr find(const session_id_t &id);
private:
bool volatile _ready_to_exit;
list cache;
boost::mutex _mutex;
boost::condition_variable _end;
};
} /* namespace session */
} /* namespace drizzled */
#endif /* DRIZZLED_SESSION_CACHE_H */
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