~drizzle-trunk/drizzle/development

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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
 *
 *  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_SLOT_QUERY_CACHE_H
#define DRIZZLED_SLOT_QUERY_CACHE_H

#include <vector>

namespace drizzled
{

namespace plugin
{
  class QueryCache;
}

namespace slot
{

class QueryCache
{
private:
  std::vector<plugin::QueryCache *> all_query_cache;

public:
  QueryCache() : all_query_cache() {}
  ~QueryCache() {}

  void add(plugin::QueryCache *handler);
  void remove(plugin::QueryCache *handler);

  /* These are the functions called by the rest of the Drizzle server */
  bool try_fetch_and_send(Session *session, bool transactional);
  bool set(Session *session, bool transactional);
  bool invalidate_table(Session *session, bool transactional);
  bool invalidate_db(Session *session, const char *db_name,
                     bool transactional);
  bool flush(Session *session);
}; /* class QueryCache */

} /* namespace slot */
} /* namespace drizzled */

#endif /* DRIZZLED_SLOT_QUERY_CACHE_H */