TAO/tao/PortableServer/Operation_Table_Binary_Search.h

   1 // -*- C++ -*-
   2
   3 //=============================================================================
   4 /**
   5  *  @file    Operation_Table_Binary_Search.h
   6  *
   7  *  @author Aniruddha Gokhale
   8  */
   9 //=============================================================================
  10
  11 #ifndef TAO_OPERATION_TABLE_BINARY_SEARCH_H
  12 #define TAO_OPERATION_TABLE_BINARY_SEARCH_H
  13
  14 #include /**/ "ace/pre.h"
  15
  16 #include "tao/PortableServer/portableserver_export.h"
  17
  18 #if !defined (ACE_LACKS_PRAGMA_ONCE)
  19 # pragma once
  20 #endif /* ACE_LACKS_PRAGMA_ONCE */
  21
  22 #include "tao/PortableServer/Operation_Table.h"
  23
  24 TAO_BEGIN_VERSIONED_NAMESPACE_DECL
  25
  26 /**
  27  * @class TAO_Binary_Search_OpTable
  28  *
  29  * @brief Helper class for using binary search operatin lookup strategy
  30  * in the server skeletons.
  31  *
  32  * This class declares pure virtual method called 'lookup ()'
  33  * which will be generated by the GPERF program. This method is
  34  * used by 'bind ()' and 'find ()' methods. Subclasses will
  35  * define the lookup method.
  36  */
  37 class TAO_PortableServer_Export TAO_Binary_Search_OpTable
  38   : public TAO_Operation_Table
  39 {
  40 public:
  41   /// Do nothing destructor.
  42   ~TAO_Binary_Search_OpTable () override = default;
  43
  44   /// See the documentation in the base class for details.
  45   int find (const char *opname,
  46             TAO_Skeleton &skelfunc,
  47             const unsigned int length = 0) override;
  48
  49   int find (const char *opname,
  50             TAO_Collocated_Skeleton &skelfunc,
  51             TAO::Collocation_Strategy s,
  52             const unsigned int length = 0) override;
  53
  54   int bind (const char *opname,
  55             const TAO::Operation_Skeletons skel_ptr) override;
  56
  57 private:
  58   /// Method that should defined by the subclasses. GPERF program
  59   /// will generate this routine routines.
  60   virtual const TAO_operation_db_entry* lookup (const char *str) = 0;
  61 };
  62
  63 TAO_END_VERSIONED_NAMESPACE_DECL
  64
  65 #include /**/ "ace/post.h"
  66 #endif /* TAO_OPERATION_TABLE_BINARY_SEARCH_H */