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TAO_Preserve_Original_Key_Adapter Class Reference

A key adapter (encode/decode) class. More...

#include <Key_Adapters.h>

List of all members.

Public Member Functions

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)

Detailed Description

A key adapter (encode/decode) class.

Define the encoding and decoding methods for converting between Object Ids and active keys. This class remembers the passed to it.

Definition at line 108 of file Key_Adapters.h.

Member Function Documentation

int TAO_Preserve_Original_Key_Adapter::decode (  const PortableServer::ObjectId &  modified_key,
PortableServer::ObjectId &  original_key
) 
 

Definition at line 132 of file Key_Adapters.cpp.

References ACE_Active_Map_Manager_Key::size(). 

00134 {
00135   // Size of active key.
00136   size_t active_key_size = ACE_Active_Map_Manager_Key::size ();
00137 
00138   // Smartly copy all the data; <original_key does not own the data>.
00139   original_key.replace (static_cast <CORBA::ULong>
00140                             (modified_key.maximum () - active_key_size),
00141                         static_cast <CORBA::ULong>
00142                             (modified_key.length () - active_key_size),
00143                         const_cast <CORBA::Octet *>
00144                             (modified_key.get_buffer ()) + active_key_size,
00145                         0);
00146 
00147   // Success.
00148   return 0;
00149 }

int TAO_Preserve_Original_Key_Adapter::decode (  const PortableServer::ObjectId &  modified_key,
ACE_Active_Map_Manager_Key &  active_key
) 
 

Definition at line 121 of file Key_Adapters.cpp.

References ACE_Active_Map_Manager_Key::decode(). 

00123 {
00124   // Read off value of index and generation.
00125   active_key.decode (modified_key.get_buffer ());
00126 
00127   // Success.
00128   return 0;
00129 }

int TAO_Preserve_Original_Key_Adapter::encode (  const PortableServer::ObjectId &  original_key,
const ACE_Active_Map_Manager_Key &  active_key,
PortableServer::ObjectId &  modified_key
) 
 

Definition at line 97 of file Key_Adapters.cpp.

References ACE_Active_Map_Manager_Key::encode(), ACE_OS::memcpy(), and ACE_Active_Map_Manager_Key::size(). 

00100 {
00101   // Size of active key.
00102   size_t active_key_size = active_key.size ();
00103 
00104   // Resize to accommodate both the original data and the new active key.
00105   modified_key.length (static_cast <CORBA::ULong> (active_key_size)
00106                          + original_key.length ());
00107 
00108   // Copy active key data into user key.
00109   active_key.encode (modified_key.get_buffer ());
00110 
00111   // Copy the original key after the active key.
00112   ACE_OS::memcpy (modified_key.get_buffer () + active_key_size,
00113                   original_key.get_buffer (),
00114                   original_key.length ());
00115 
00116   // Success.
00117   return 0;
00118 }

The documentation for this class was generated from the following files:
Generated on Thu Nov 9 12:45:59 2006 for TAO_PortableServer by doxygen 1.3.6