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# Configuration.h File Reference

`#include "ace/pre.h"`
`#include "ace/ACE.h"`
`#include "ace/SString.h"`
`#include "ace/Hash_Map_With_Allocator_T.h"`
`#include "ace/Malloc.h"`
`#include "ace/post.h"`

Include dependency graph for Configuration.h:

This graph shows which files directly or indirectly include this file:

## Compounds
class | ACE_Configuration
class | ACE_Configuration_ExtId
class | ACE_Configuration_Heap
class | ACE_Configuration_Section_IntId
class | ACE_Configuration_Section_Key
class | ACE_Configuration_Section_Key_Heap
class | ACE_Configuration_Value_IntId
class | ACE_Configuration_Win32Registry
class | ACE_Section_Key_Internal
class | ACE_Section_Key_Win32
## Defines
#define | ACE_CONFIG_SECTION_INDEX "Config_Section_Index"
#define | ACE_DEFAULT_CONFIG_SECTION_SIZE 16
## Typedefs
typedef ACE_Allocator_Adapter< ACE_Malloc <ACE_MMAP_MEMORY_POOL, ACE_SYNCH_MUTEX> > | PERSISTENT_ALLOCATOR
typedef ACE_Allocator_Adapter< ACE_Malloc <ACE_LOCAL_MEMORY_POOL, ACE_SYNCH_MUTEX> > | HEAP_ALLOCATOR
typedef ACE_Hash_Map_With_Allocator< ACE_Configuration_ExtId, int> | SUBSECTION_MAP
typedef ACE_Hash_Map_Manager_Ex< ACE_Configuration_ExtId, int, ACE_Hash<ACE_Configuration_ExtId>, ACE_Equal_To<ACE_Configuration_ExtId>, ACE_Null_Mutex> | SUBSECTION_HASH
typedef ACE_Hash_Map_Entry< ACE_Configuration_ExtId, int> | SUBSECTION_ENTRY
typedef ACE_Hash_Map_With_Allocator< ACE_Configuration_ExtId, ACE_Configuration_Value_IntId> | VALUE_MAP
typedef ACE_Hash_Map_Manager_Ex< ACE_Configuration_ExtId, ACE_Configuration_Value_IntId, ACE_Hash<ACE_Configuration_ExtId>, ACE_Equal_To<ACE_Configuration_ExtId>, ACE_Null_Mutex> | VALUE_HASH
typedef ACE_Hash_Map_Entry< ACE_Configuration_ExtId, ACE_Configuration_Value_IntId> | VALUE_ENTRY
typedef ACE_Hash_Map_With_Allocator< ACE_Configuration_ExtId, ACE_Configuration_Section_IntId> | SECTION_MAP
typedef ACE_Hash_Map_Manager_Ex< ACE_Configuration_ExtId, ACE_Configuration_Section_IntId, ACE_Hash<ACE_Configuration_ExtId>, ACE_Equal_To<ACE_Configuration_ExtId>, ACE_Null_Mutex> | SECTION_HASH
typedef ACE_Hash_Map_Entry< ACE_Configuration_ExtId, ACE_Configuration_Section_IntId> | SECTION_ENTRY

## Detailed Description

Configuration.h,v 4.30 2001/09/30 14:57:48 schmidt Exp

Author(s):
  Chris Hafey <chafey@stentor.com>

The ACE configuration API provides a portable abstraction for program configuration similar to the Microsoft Windows registry. The API supports a tree based hierarchy of configuration sections. Each section contains other sections or values. Values may contain string, unsigned integer and binary data.

Note: these classes are not thread safe, if multiple threads use these classes, you are responsible for serializing access.

For examples of using this class, see: 1) The test code in ACE_Wrappers/test 2) wxConfigViewer, a Windows like Registry Editor for ACE_Configuration 3) TAO's IFR, it makes extensive use of ACE_Configuration

Todo:
  Templatize this class with an ACE_LOCK to provide thread safety

## Define Documentation

#define ACE_CONFIG_SECTION_INDEX "Config_Section_Index"

#define ACE_DEFAULT_CONFIG_SECTION_SIZE 16

## Typedef Documentation

typedef ACE_Allocator_Adapter<ACE_Malloc <ACE_LOCAL_MEMORY_POOL, ACE_SYNCH_MUTEX> > HEAP_ALLOCATOR

typedef ACE_Allocator_Adapter<ACE_Malloc <ACE_MMAP_MEMORY_POOL, ACE_SYNCH_MUTEX> > PERSISTENT_ALLOCATOR

typedef ACE_Hash_Map_Entry<ACE_Configuration_ExtId, ACE_Configuration_Section_IntId> SECTION_ENTRY

typedef ACE_Hash_Map_Manager_Ex<ACE_Configuration_ExtId, ACE_Configuration_Section_IntId, ACE_Hash<ACE_Configuration_ExtId>, ACE_Equal_To<ACE_Configuration_ExtId>, ACE_Null_Mutex> SECTION_HASH

typedef ACE_Hash_Map_With_Allocator<ACE_Configuration_ExtId, ACE_Configuration_Section_IntId> SECTION_MAP

typedef ACE_Hash_Map_Entry<ACE_Configuration_ExtId, int> SUBSECTION_ENTRY

typedef ACE_Hash_Map_Manager_Ex<ACE_Configuration_ExtId, int, ACE_Hash<ACE_Configuration_ExtId>, ACE_Equal_To<ACE_Configuration_ExtId>, ACE_Null_Mutex> SUBSECTION_HASH

typedef ACE_Hash_Map_With_Allocator<ACE_Configuration_ExtId, int> SUBSECTION_MAP

typedef ACE_Hash_Map_Entry<ACE_Configuration_ExtId, ACE_Configuration_Value_IntId> VALUE_ENTRY

typedef ACE_Hash_Map_Manager_Ex<ACE_Configuration_ExtId, ACE_Configuration_Value_IntId, ACE_Hash<ACE_Configuration_ExtId>, ACE_Equal_To<ACE_Configuration_ExtId>, ACE_Null_Mutex> VALUE_HASH

typedef ACE_Hash_Map_With_Allocator<ACE_Configuration_ExtId, ACE_Configuration_Value_IntId> VALUE_MAP