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/* -*- C++ -*- */
// $Id$
// ============================================================================
//
// = LIBRARY
// TAO
//
// = FILENAME
// Key_Adapters.h
//
// = AUTHOR
// Irfan Pyarali
//
// ============================================================================
#ifndef TAO_KEY_ADAPTERS_H
#define TAO_KEY_ADAPTERS_H
#include "tao/corbafwd.h"
#include "ace/Map.h"
#include "tao/POAC.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
////////////////////////////////////////////////////////////////////////////////
class TAO_Incremental_Key_Generator
{
// = TITLE
// Defines a key generator.
//
// = DESCRIPTION
// This class is used in adapters of maps that do not produce keys.
public:
TAO_Incremental_Key_Generator (void);
int operator() (PortableServer::ObjectId &id);
protected:
CORBA::ULong counter_;
};
////////////////////////////////////////////////////////////////////////////////
class TAO_Export TAO_ObjectId_Hash
{
// = TITLE
// Hashing class for Object Ids.
//
// = DESCRIPTION
// Define the hash() method for Object Ids.
public:
u_long operator () (const PortableServer::ObjectId &id) const;
// Returns hash value.
};
////////////////////////////////////////////////////////////////////////////////
class TAO_Ignore_Original_Key_Adapter
{
// = TITLE
// A key adapter (encode/decode) class.
//
// = DESCRIPTION
// Define the encoding and decoding methods for converting
// between Object Ids and active keys. This class ignores the
// <original_key> passed to it.
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
{
// = TITLE
// A key adapter (encode/decode) class.
//
// = DESCRIPTION
// Define the encoding and decoding methods for converting
// between Object Ids and active keys. This class remembers the
// <original_key> passed to it.
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);
};
////////////////////////////////////////////////////////////////////////////////
#if defined (__ACE_INLINE__)
# include "tao/Key_Adapters.i"
#endif /* __ACE_INLINE__ */
#endif /* TAO_KEY_ADAPTERS_H */
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