TAO/tao/Object_T.h

   1 // -*- C++ -*-
   2
   3 //=============================================================================
   4 /**
   5  *  @file    Object_T.h
   6  *
   7  *   Templatized utilities common to all IDL interfaces.
   8  *
   9  *  @author  Jeff Parsons <j.parsons@vanderbilt.edu>
  10  */
  11 //=============================================================================
  12
  13 #ifndef TAO_CORBA_OBJECT_T_H
  14 #define TAO_CORBA_OBJECT_T_H
  15
  16 #include /**/ "ace/pre.h"
  17
  18 #include "ace/config-all.h"
  19
  20 #if !defined (ACE_LACKS_PRAGMA_ONCE)
  21 # pragma once
  22 #endif /* ACE_LACKS_PRAGMA_ONCE */
  23
  24 #include /**/ "tao/Versioned_Namespace.h"
  25 #include "tao/Collocation_Strategy.h"
  26
  27 TAO_BEGIN_VERSIONED_NAMESPACE_DECL
  28
  29 namespace CORBA
  30 {
  31   class Object;
  32   typedef Object *Object_ptr;
  33 }
  34
  35 namespace TAO
  36 {
  37   template<typename T>
  38   class Narrow_Utils
  39   {
  40   public:
  41     typedef T *T_ptr;
  42
  43     static T_ptr narrow (CORBA::Object_ptr,
  44                          const char *repo_id);
  45
  46     /// Version used the operators.
  47     static T_ptr unchecked_narrow (CORBA::Object_ptr);
  48
  49   private:
  50     // Code for lazily evaluated IORs.
  51     static T_ptr lazy_evaluation (CORBA::Object_ptr);
  52   };
  53 }
  54
  55 TAO_END_VERSIONED_NAMESPACE_DECL
  56
  57 #include "tao/Object_T.cpp"
  58
  59 #include /**/ "ace/post.h"
  60
  61 #endif /* TAO_CORBA_OBJECT_T_H */