slice_image_base.hpp

См. документацию.

/*

Copyright (c) 2002-2006, Yauheni Akhotnikau
All rights reserved.

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:

- Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.

- Redistributions in binary form must reproduce the above copyright notice, this
list of conditions and the following disclaimer in the documentation and/or
other materials provided with the distribution.

- The name of the author may not be used to endorse or promote products derived
from this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.

*/

/*
  ObjESSty-1
*/

#if !defined( _OESS_1__DB__CLN__SLICE_IMAGE_BASE_HPP_ )
#define _OESS_1__DB__CLN__SLICE_IMAGE_BASE_HPP_

#include <exception>

#include <oess_1/db/h/declspec.hpp>

#include <oess_1/db/cln/h/db.hpp>

namespace oess_1
{

namespace db
{

namespace cln
{

namespace impl
{
  struct  slice_image_base_data_t;
} /* namespace impl */

class slice_index_base_t;

class OESS_1__DB__TYPE  slice_image_base_t
{
public:
    virtual ~slice_image_base_t();

  enum
  {
    auto_load = 0x1,
    auto_destroy_index = 0x2
  };

  virtual void
  attach(
    slice_index_base_t & index,
    unsigned int flags );

  virtual void
  detach(
    slice_index_base_t & index );

  oess_1::db::cln::db_t &
  query_db() const;

  const std::string &
  slice_name() const;

protected :
  slice_image_base_t(
    oess_1::db::cln::db_t & db,
    const std::string & slice_name,
    unsigned int flags )
  throw( std::exception );

  void
  lo_clear();

  ent_id_t
  lo_insert( const oess_1::stdsn::serializable_t & o )
  throw( std::exception );

  void
  lo_erase( const oess_1::ent_id_t & id )
  throw( std::exception );

  void
  lo_update( const oess_1::ent_id_t & id,
    const oess_1::stdsn::serializable_t & o )
  throw( std::exception );

  void
  lo_refresh_indexes(
    const oess_1::ent_id_t & id,
    const oess_1::stdsn::serializable_t & o );

private :
  auto_ptr_3::obj_ptr_t< impl::slice_image_base_data_t >  m_data;

private :
  slice_image_base_t(
    const slice_image_base_t & o );
  slice_image_base_t &
  operator=(
    const slice_image_base_t & o );
/* \} */
};

template< class Item >
class slice_image_iface_t :
  public slice_image_base_t
{
public :
  virtual ~slice_image_iface_t()
  {}

  virtual oess_1::ent_id_t
  insert( const Item & o ) = 0;

  virtual void
  erase( const oess_1::ent_id_t & id ) = 0;

  virtual void
  update(
    const ent_id_t & id,
    const Item & o ) = 0;

  virtual void
  get(
    const ent_id_t & id,
    auto_ptr_3::soft_obj_ptr_t< Item > & o ) const = 0;
  
  virtual oess_1::ent_id_t
  next(
    const oess_1::ent_id_t & id ) const = 0;

protected :
  slice_image_iface_t(
    oess_1::db::cln::db_t & db,
    const std::string & slice_name,
    unsigned int flags )
  throw( std::exception )
  :
    slice_image_base_t( db, slice_name, flags )
  {}
};

} /* namespace cln */

} /* namespace db */

} /* namespace oess_1 */

#endif

---