~drizzle-trunk/drizzle/development

1910.2.14 by Brian Aker
Check simple cache performance hit.
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/* - mode: c; c-basic-offset: 2; indent-tabs-mode: nil; -*-
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 *  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
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 *
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 *  Copyright (C) 2010 Brian Aker
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 *
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 *  This program is free software; you can redistribute it and/or modify
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 *  it under the terms of the GNU General Public License as published by
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 *  the Free Software Foundation; either version 2 of the License, or
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 *  (at your option) any later version.
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 *
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 *  This program is distributed in the hope that it will be useful,
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 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
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 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 *  GNU General Public License for more details.
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 *
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 *  You should have received a copy of the GNU General Public License
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 *  along with this program; if not, write to the Free Software
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 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
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 */
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#ifndef DRIZZLED_MESSAGE_CACHE_H
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#define DRIZZLED_MESSAGE_CACHE_H
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#include <boost/unordered_map.hpp>
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#include <boost/shared_ptr.hpp>
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1938.4.2 by Brian Aker
Fix style issue around table for message (though this is imperfect,...)
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#include "drizzled/message.h"
1910.2.14 by Brian Aker
Check simple cache performance hit.
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#include "drizzled/identifier/table.h"
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namespace drizzled {
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namespace message {
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2087.4.2 by Brian Aker
Modify TableIdentifier to fit with the rest of the identifiers.
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typedef boost::unordered_map< drizzled::identifier::Table::Key, drizzled::message::table::shared_ptr> Map;
1910.2.14 by Brian Aker
Check simple cache performance hit.
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class Cache
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{
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  boost::mutex _access;
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  Map cache;
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public:
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  static inline Cache &singleton()
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  {
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    static Cache open_cache;
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    return open_cache;
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  }
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  size_t size() const
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  {
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    return cache.size();
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  }
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  void rehash(size_t arg)
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  {
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    cache.rehash(arg);
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  }
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2087.4.2 by Brian Aker
Modify TableIdentifier to fit with the rest of the identifiers.
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  drizzled::message::table::shared_ptr find(const identifier::Table &identifier);
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  void erase(const identifier::Table &identifier);
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  bool insert(const identifier::Table &identifier, drizzled::message::table::shared_ptr share);
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  bool insert(const identifier::Table &identifier, message::Table &share);
1910.2.14 by Brian Aker
Check simple cache performance hit.
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};
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} /* namespace message */
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} /* namespace drizzled */
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#endif /* DRIZZLED_MESSAGE_CACHE_H */