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/* -*- C++ -*- */
//=============================================================================
/**
* @file Key_Adapters.h
*
* $Id$
*
* @author Irfan Pyarali
*/
//=============================================================================
#ifndef TAO_KEY_ADAPTERS_H
#define TAO_KEY_ADAPTERS_H
#include /**/ "ace/pre.h"
#include "portableserver_export.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#include "PS_ForwardC.h"
class ACE_Active_Map_Manager_Key;
////////////////////////////////////////////////////////////////////////////////
/**
* @class TAO_Incremental_Key_Generator
*
* @brief Defines a key generator.
*
* This class is used in adapters of maps that do not produce keys.
*/
class TAO_Incremental_Key_Generator
{
public:
TAO_Incremental_Key_Generator (void);
int operator() (PortableServer::ObjectId &id);
protected:
CORBA::ULong counter_;
};
////////////////////////////////////////////////////////////////////////////////
/**
* @class TAO_ObjectId_Hash
*
* @brief Hashing class for Object Ids.
*
* Define the hash() method for Object Ids.
*/
class TAO_PortableServer_Export TAO_ObjectId_Hash
{
public:
/// Returns hash value.
u_long operator () (const PortableServer::ObjectId &id) const;
};
////////////////////////////////////////////////////////////////////////////////
/**
* @class TAO_Ignore_Original_Key_Adapter
*
* @brief A key adapter (encode/decode) class.
*
* Define the encoding and decoding methods for converting
* between Object Ids and active keys. This class ignores the
* <original_key> passed to it.
*/
class TAO_Ignore_Original_Key_Adapter
{
public:
int encode (const PortableServer::ObjectId &original_key,
const ACE_Active_Map_Manager_Key &active_key,
PortableServer::ObjectId &modified_key);
int decode (const PortableServer::ObjectId &modified_key,
ACE_Active_Map_Manager_Key &active_key);
int decode (const PortableServer::ObjectId &modified_key,
PortableServer::ObjectId &original_key);
};
////////////////////////////////////////////////////////////////////////////////
/**
* @class TAO_Preserve_Original_Key_Adapter
*
* @brief A key adapter (encode/decode) class.
*
* Define the encoding and decoding methods for converting
* between Object Ids and active keys. This class remembers the
* <original_key> passed to it.
*/
class TAO_Preserve_Original_Key_Adapter
{
public:
int encode (const PortableServer::ObjectId &original_key,
const ACE_Active_Map_Manager_Key &active_key,
PortableServer::ObjectId &modified_key);
int decode (const PortableServer::ObjectId &modified_key,
ACE_Active_Map_Manager_Key &active_key);
int decode (const PortableServer::ObjectId &modified_key,
PortableServer::ObjectId &original_key);
};
////////////////////////////////////////////////////////////////////////////////
#include /**/ "ace/post.h"
#endif /* TAO_KEY_ADAPTERS_H */
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