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-/* -*- C++ -*- */
-
-//=============================================================================
-/**
- * @file Functor.h
- *
- * $Id$
- *
- * Non-templatized classes and class template specializations for
- * implementing function objects that are used in various places
- * in ACE. There are currently two major categories of function
- * objects in ACE: GoF Command Pattern objects, and STL-style
- * functors for comparison of container elements. The command objects
- * are invoked via an execute () method, while the STL-style functors are
- * invoked via an operator() () method.
- * Non-templatized classes for implementing the GoF Command Pattern,
- * also known as functors or function objects.
- *
- *
- * @author Chris Gill <cdgill@cs.wustl.edu>
- * @author Based on Command Pattern implementations originally done by
- * @author Carlos O'Ryan <coryan@cs.wustl.edu>
- * @author Douglas C. Schmidt <schmidt@cs.wustl.edu>
- * @author Sergio Flores-Gaitan <sergio@cs.wustl.edu>
- * @author and on STL-style functor implementations originally done by
- * @author Irfan Pyarali <irfan@cs.wustl.edu>
- */
-//=============================================================================
-
-
-#ifndef ACE_FUNCTOR_H
-#define ACE_FUNCTOR_H
-#include "ace/pre.h"
-
-#include "ace/ACE.h"
-
-#if !defined (ACE_LACKS_PRAGMA_ONCE)
-# pragma once
-#endif /* ACE_LACKS_PRAGMA_ONCE */
-
-//////////////////////////////////////////////////////////////
-// GOF Command Pattern Classes and Template Specializations //
-//////////////////////////////////////////////////////////////
-
-/**
- * @class ACE_Command_Base
- *
- * @brief Defines an abstract class that allows us to invoke commands
- * without knowing anything about the implementation.
- *
- * This class declares an interface to execute a command
- * independent of the effect of the command, or the objects used
- * to implement it.
- */
-class ACE_Export ACE_Command_Base
-{
-public:
- // = Initialization and termination methods.
- /// Default constructor.
- ACE_Command_Base (void);
-
- /// Virtaul destructor.
- virtual ~ACE_Command_Base (void);
-
- /**
- * Invokes the method encapsulated by the command, passing along the
- * passed argument (if any). Users of classes derived from this
- * class must ensure that the resulting invocation can tolerate a
- * null void pointer being passed, or otherwise ensure that this
- * will never occur.
- */
- virtual int execute (void *arg = 0) = 0;
-};
-
-////////////////////////////////////////////////////////////
-// STL-style Functor Classes and Template Specializations //
-////////////////////////////////////////////////////////////
-
-// Forward declaration since we are going to specialize that template
-// here. The template itself requires this file so every user of the
-// template should also see the specialization.
-template <class TYPE> class ACE_Hash;
-template <class TYPE> class ACE_Equal_To;
-template <class TYPE> class ACE_Less_Than;
-
-ACE_TEMPLATE_SPECIALIZATION
-/**
- * @class ACE_Hash<char>
- *
- * @brief Function object for hashing a char
- */
-class ACE_Export ACE_Hash<char>
-{
-public:
- /// Simply returns t
- u_long operator () (char t) const;
-};
-
-ACE_TEMPLATE_SPECIALIZATION
-/**
- * @class ACE_Hash<signed
- *
- * @brief Function object for hashing a signed char
- */
-class ACE_Export ACE_Hash<signed char>
-{
-public:
- /// Simply returns t
- u_long operator () (signed char t) const;
-};
-
-ACE_TEMPLATE_SPECIALIZATION
-/**
- * @class ACE_Hash<unsigned
- *
- * @brief Function object for hashing an unsigned char
- */
-class ACE_Export ACE_Hash<unsigned char>
-{
-public:
- /// Simply returns t
- u_long operator () (unsigned char t) const;
-};
-
-// @@ ADD HASHES FOR ACE TYPES
-
-ACE_TEMPLATE_SPECIALIZATION
-/**
- * @class ACE_Hash<ACE_INT16>
- *
- * @brief Function object for hashing a 16-bit signed number
- */
-class ACE_Export ACE_Hash<ACE_INT16>
-{
-public:
- /// Simply returns t
- u_long operator () (ACE_INT16 t) const;
-};
-
-ACE_TEMPLATE_SPECIALIZATION
-/**
- * @class ACE_Hash<ACE_UINT16>
- *
- * @brief Function object for hashing a 16-bit unsigned number
- */
-class ACE_Export ACE_Hash<ACE_UINT16>
-{
-public:
- /// Simply returns t
- u_long operator () (ACE_UINT16 t) const;
-};
-
-ACE_TEMPLATE_SPECIALIZATION
-/**
- * @class ACE_Hash<ACE_INT32>
- *
- * @brief Function object for hashing a 32-bit signed number
- */
-class ACE_Export ACE_Hash<ACE_INT32>
-{
-public:
- /// Simply returns t
- u_long operator () (ACE_INT32 t) const;
-};
-
-ACE_TEMPLATE_SPECIALIZATION
-/**
- * @class ACE_Hash<ACE_UINT32>
- *
- * @brief Function object for hashing a 32-bit unsigned number
- */
-class ACE_Export ACE_Hash<ACE_UINT32>
-{
-public:
- /// Simply returns t
- u_long operator () (ACE_UINT32 t) const;
-};
-
-ACE_TEMPLATE_SPECIALIZATION
-/**
- * @class ACE_Hash<ACE_UINT64>
- *
- * @brief Function object for hashing a 64-bit unsigned number
- */
-class ACE_Export ACE_Hash<ACE_UINT64>
-{
-public:
- /// Simply returns t
- u_long operator () (ACE_UINT64 t) const;
-};
-
-// @@ DONE ADDING HASHES FOR ACE TYPES
-
-ACE_TEMPLATE_SPECIALIZATION
-/**
- * @class ACE_Hash<const
- *
- * @brief Function object for hashing a const string
- */
-class ACE_Export ACE_Hash<const ACE_TCHAR *>
-{
-public:
- /// Calls ACE::hash_pjw
- u_long operator () (const ACE_TCHAR *t) const;
-};
-
-ACE_TEMPLATE_SPECIALIZATION
-/**
- * @class ACE_Hash<ACE_TCHAR
- *
- * @brief Function object for hashing a string
- */
-class ACE_Export ACE_Hash<ACE_TCHAR *>
-{
-public:
- /// Calls ACE::hash_pjw
- u_long operator () (const ACE_TCHAR *t) const;
-};
-
-ACE_TEMPLATE_SPECIALIZATION
-/**
- * @class ACE_Equal_To<const
- *
- * @brief Function object for determining whether two const strings are equal.
- */
-class ACE_Export ACE_Equal_To<const ACE_TCHAR *>
-{
-public:
- /// Simply calls ACE_OS::strcmp
- int operator () (const ACE_TCHAR *lhs,
- const ACE_TCHAR *rhs) const;
-};
-
-ACE_TEMPLATE_SPECIALIZATION
-/**
- * @class ACE_Equal_To<ACE_TCHAR
- *
- * @brief Function object for determining whether two non-const
- * strings are equal.
- */
-class ACE_Export ACE_Equal_To<ACE_TCHAR *>
-{
-public:
- /// Simply calls ACE_OS::strcmp
- int operator () (const ACE_TCHAR *lhs,
- const ACE_TCHAR *rhs) const;
-};
-
-ACE_TEMPLATE_SPECIALIZATION
-/**
- * @class ACE_Less_Than<const
- *
- * @brief Function object for determining whether the first const string
- * is less than the second const string.
- */
-class ACE_Export ACE_Less_Than<const ACE_TCHAR *>
-{
-public:
- /// Simply calls ACE_OS::strcmp
- int operator () (const ACE_TCHAR *lhs,
- const ACE_TCHAR *rhs) const;
-};
-
-ACE_TEMPLATE_SPECIALIZATION
-/**
- * @class ACE_Less_Than<ACE_TCHAR
- *
- * @brief Function object for determining whether the first string
- * is less than the second string.
- */
-class ACE_Export ACE_Less_Than<ACE_TCHAR *>
-{
-public:
- /// Simply calls ACE_OS::strcmp
- int operator () (const ACE_TCHAR *lhs,
- const ACE_TCHAR *rhs) const;
-};
-
-#if defined (__ACE_INLINE__)
-#include "ace/Functor.i"
-#endif /* __ACE_INLINE__ */
-
-// Include the templates here.
-#include "ace/Functor_T.h"
-
-#include "ace/post.h"
-#endif /* ACE_FUNCTOR_H */