~drizzle-trunk/drizzle/development

/* - mode: c; c-basic-offset: 2; indent-tabs-mode: nil; -*-

 *  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:

 *

 *  Copyright (C) 2011 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

 */

#pragma once

#include <drizzled/table/instance/base.h>

namespace drizzled {

namespace table {

namespace instance {

void release(TableShare *share);

void release(TableShare::shared_ptr &share);

void release(const identifier::Table &identifier);

class Shared : public drizzled::TableShare

{

  friend void release(TableShare *share);

  friend void release(TableShare::shared_ptr &share);

public:

  typedef boost::shared_ptr<Shared> shared_ptr;

  typedef std::vector <shared_ptr> vector;

  Shared(const identifier::Table::Type type_arg,

         const identifier::Table &identifier,

         char *path_arg= NULL, uint32_t path_length_arg= 0); // Shares for cache

  Shared(const identifier::Table &identifier, message::schema::shared_ptr schema_message);

  Shared(const identifier::Table &identifier); // Used by placeholder

  ~Shared();

  void lock()

  {

    mutex.lock();

  }

  void unlock()

  {

    mutex.unlock();

  }

  static shared_ptr make_shared(Session *session, 

                                const identifier::Table &identifier,

                                int &in_error);

  static shared_ptr foundTableShare(shared_ptr share);

  plugin::EventObserverList *getTableObservers() 

  { 

    return event_observers;

  }

  void setTableObservers(plugin::EventObserverList *observers) 

  { 

    event_observers= observers;

  }

  virtual bool is_replicated() const;

private:

  boost::mutex mutex;                /* For locking the share  */

  drizzled::message::schema::shared_ptr _schema;

  /* 

    event_observers is a class containing all the event plugins that have 

    registered an interest in this table.

  */

  plugin::EventObserverList *event_observers;

};

} /* namespace instance */

} /* namespace table */

} /* namespace drizzled */