#include <Managed_Object.h>
Static Public Member Functions | |
| TYPE * | get_preallocated_object (ACE_Object_Manager::Preallocated_Object identifier) |
| TYPE * | get_preallocated_array (ACE_Object_Manager::Preallocated_Array identifier) |
Protected Member Functions | |
| ACE_Managed_Object (void) | |
Private Member Functions | |
| ACE_Managed_Object (const ACE_Managed_Object< TYPE > &) | |
| void | operator= (const ACE_Managed_Object< TYPE > &) |
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. 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.
Definition at line 102 of file Managed_Object.h.
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Definition at line 123 of file Managed_Object.h.
00124 {
00125 // The preallocated array are in a separate, "read-only" array so
00126 // that this function doesn't need a lock. Also, because it is
00127 // intended _only_ for use with hard-code values, it performs no
00128 // range checking on "id".
00129
00130 // Cast the return type of the the object pointer based
00131 // on the type of the function template parameter.
00132 return &((ACE_Cleanup_Adapter<TYPE> *)
00133 ACE_Object_Manager::preallocated_array[identifier])->object ();
00134 }
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Definition at line 105 of file Managed_Object.h.
00106 {
00107 // The preallocated objects are in a separate, "read-only" array so
00108 // that this function doesn't need a lock. Also, because it is
00109 // intended _only_ for use with hard-code values, it performs no
00110 // range checking on "id".
00111
00112 // Cast the return type of the the object pointer based
00113 // on the type of the function template parameter.
00114 return &((ACE_Cleanup_Adapter<TYPE> *)
00115 ACE_Object_Manager::preallocated_object[identifier])->object ();
00116 }
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1.3.6