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Diffstat (limited to 'ace/Managed_Object.h')
| -rw-r--r-- | ace/Managed_Object.h | 160 |
1 files changed, 0 insertions, 160 deletions
diff --git a/ace/Managed_Object.h b/ace/Managed_Object.h deleted file mode 100644 index d5b8eb71d8d..00000000000 --- a/ace/Managed_Object.h +++ /dev/null @@ -1,160 +0,0 @@ -/* -*- C++ -*- */ -// $Id$ - -// ============================================================================ -// -// = LIBRARY -// ace -// -// = FILENAME -// Managed_Object.h -// -// = AUTHORS -// David L. Levine -// -// ============================================================================ - -#ifndef ACE_MANAGED_OBJECT_H -#define ACE_MANAGED_OBJECT_H -#include "ace/pre.h" - -#include "ace/OS.h" - -#if !defined (ACE_LACKS_PRAGMA_ONCE) -# pragma once -#endif /* ACE_LACKS_PRAGMA_ONCE */ - -#include "ace/Object_Manager.h" - -template <class TYPE> -class ACE_Cleanup_Adapter : public ACE_Cleanup -{ - // = TITLE - // Adapter for ACE_Cleanup objects that allows them to be readily - // managed by the ACE_Object_Manager. - // - // = DESCRIPTION - // This template class adapts an object of any type to be an - // ACE_Cleanup object. The object can then be destroyed - // type-safely by the ACE_Object_Manager. This class is - // typically used to replace a cast; but, it's a bit cleaner and - // allows insertion of, say, run-time type identification - // internally if desired. -public: - ACE_Cleanup_Adapter (void); - // Default constructor. - - virtual ~ACE_Cleanup_Adapter (void); - // Virtual destructor, needed by some compilers for vtable placement. - - TYPE &object (void); - // Accessor for contained object. - -private: - TYPE object_; - // Contained object. -}; - -template <class TYPE> -class ACE_Managed_Object -{ - // = TITLE - // Wrapper for interface to allocate an object managed by the - // ACE_Object_Manager. - // - // = DESCRIPTION - // This template class wraps an interface that is used to - // allocate and access an object that is managed by the - // ACE_Object_Manager. Because static template member functions - // are not supported by some compilers, it is a separate - // (template) class. - // - // This interface is typically used to replace a static object - // with one that is dynamically allocated. It helps to avoid - // problems with order of static object - // construction/destruction. Managed objects won't be allocated - // until needed, but should be allocated when first needed. And - // they are destroyed in the reverse order of construction. - // - // <get_preallocated_object> accesses a "preallocated" object, - // i.e., one that is identified by a value in the - // ACE_Object_Manager:: Preallocated_Object enum. These objects - // are used internally by the ACE library. - // - // Hooks are provided for the application to preallocate objects - // via the same mechanism. - // ACE_APPLICATION_PREALLOCATED_OBJECT_DECLARATIONS can be used - // to define enum values; - // ACE_APPLICATION_PREALLOCATED_OBJECT_DEFINITIONS can be used - // to define the corresponding objects. The format of the ACE - // internal library definitions should be followed. And - // similarly, ACE_APPLICATION_PREALLOCATED_ARRAY_DECLARATIONS - // and ACE_APPLICATION_PREALLOCATED_ARRAY_DEFINITIONS can be - // used to preallocate arrays. - // - // By default, preallocation uses dynamic allocation. The - // preallocated objects and arrays are allocated off the heap in - // the ACE_Object_Manager constructor. To statically place the - // preallocated objects in program global data instead of on the - // heap, #define ACE_HAS_STATIC_PREALLOCATION prior to building - // the ACE library. -public: - static TYPE *get_preallocated_object (ACE_Object_Manager::Preallocated_Object id) - { - // The preallocated objects are in a separate, "read-only" array so - // that this function doesn't need a lock. Also, because it is - // intended _only_ for use with hard-code values, it performs no - // range checking on "id". - - // Cast the return type of the the object pointer based - // on the type of the function template parameter. - return &((ACE_Cleanup_Adapter<TYPE> *) - ACE_Object_Manager::preallocated_object[id])->object (); - } - // Get the preallocated object identified by "id". Returns a - // pointer to the object. Beware: no error indication is provided, - // because it can _only_ be used for accessing preallocated objects. - // Note: the function definition is inlined here so that it compiles - // on AIX 4.1 w/xlC v. 3.01. - - static TYPE *get_preallocated_array (ACE_Object_Manager::Preallocated_Array id) - { - // The preallocated array are in a separate, "read-only" array so - // that this function doesn't need a lock. Also, because it is - // intended _only_ for use with hard-code values, it performs no - // range checking on "id". - - // Cast the return type of the the object pointer based - // on the type of the function template parameter. - return &((ACE_Cleanup_Adapter<TYPE> *) - ACE_Object_Manager::preallocated_array[id])->object (); - } - // Get the preallocated array identified by "id". Returns a - // pointer to the array. Beware: no error indication is provided, - // because it can _only_ be used for accessing preallocated arrays. - // Note: the function definition is inlined here so that it compiles - // on AIX 4.1 w/xlC v. 3.01. - -private: - // Disallow instantiation of this class. - ACE_UNIMPLEMENTED_FUNC (ACE_Managed_Object (void)) - ACE_UNIMPLEMENTED_FUNC (ACE_Managed_Object (const ACE_Managed_Object<TYPE> &)) - ACE_UNIMPLEMENTED_FUNC (void operator= (const ACE_Managed_Object<TYPE> &)) - - friend class this_prevents_compiler_warning_about_only_private_constructors; -}; - -#if defined (__ACE_INLINE__) -#include "ace/Managed_Object.i" -#endif /* __ACE_INLINE__ */ - -#if defined (ACE_TEMPLATES_REQUIRE_SOURCE) -#include "ace/Managed_Object.cpp" -#endif /* ACE_TEMPLATES_REQUIRE_SOURCE */ - -#if defined (ACE_TEMPLATES_REQUIRE_PRAGMA) -#pragma implementation ("Managed_Object.cpp") -#endif /* ACE_TEMPLATES_REQUIRE_PRAGMA */ - -#include "ace/post.h" -#endif /* ACE_MANAGED_OBJECT_H */ |