Provides hash-table-based persistent storage for name to object bindings in a Naming Context.
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#include <Persistent_Naming_Context.h>
List of all members.
Public Member Functions |
| TAO_Persistent_Bindings_Map (CORBA::ORB_ptr orb) |
| Constructor.
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int | open (size_t hash_map_size, ACE_Allocator *alloc) |
void | set (HASH_MAP *map, ACE_Allocator *alloc) |
virtual | ~TAO_Persistent_Bindings_Map (void) |
void | destroy (void) |
HASH_MAP * | map (void) |
| Get a pointer to the underlying hash map.
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size_t | total_size (void) |
| Return the size of the underlying hash table.
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virtual size_t | current_size (void) |
| Return the size of the underlying hash table.
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virtual int | bind (const char *id, const char *kind, CORBA::Object_ptr obj, CosNaming::BindingType type) |
virtual int | rebind (const char *id, const char *kind, CORBA::Object_ptr obj, CosNaming::BindingType type) |
virtual int | unbind (const char *id, const char *kind) |
virtual int | find (const char *id, const char *kind, CORBA::Object_ptr &obj, CosNaming::BindingType &type) |
virtual | ~TAO_Bindings_Map (void) |
| Destructor.
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Detailed Description
Provides hash-table-based persistent storage for name to object bindings in a Naming Context.
Wrapper on top of ACE_Hash_Map_With_Allocator (which is a wrapper around ACE_Hash_Map_Manager). Uses ACE_Allocator (allocating from persistent storage) to make bindings persistent and supports TAO_Bindings_Map interface. Used by TAO_Persistent_Naming_Context.
Member Typedef Documentation
Underlying data structure - typedef for ease of use.
Constructor & Destructor Documentation
TAO_Persistent_Bindings_Map::TAO_Persistent_Bindings_Map |
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CORBA::ORB_ptr |
orb | ) |
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TAO_Persistent_Bindings_Map::~TAO_Persistent_Bindings_Map |
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void |
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virtual |
Destructor. Does not deallocate the hash map: if an instance of this class goes out of scope, its hash_map remains in persistent storage.
Member Function Documentation
Add a binding with the specified parameters to the table. Return 0 on success and -1 on failure, 1 if there already is a binding with <id> and <kind>.
Implements TAO_Bindings_Map.
size_t TAO_Persistent_Bindings_Map::current_size |
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void |
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virtual |
void TAO_Persistent_Bindings_Map::destroy |
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void |
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This method removes the hash map from persistent storage/frees up the memory. The hash map better be empty, since we are not cleaning up the insides. (We could add <close> to clean entries, but not the data inside the entries.
Find the binding containing <id> and <kind> in the table, and pass binding's type and object back to the caller by reference. Return 0 on success and -1 on failure. Note: a 'duplicated' object reference is assigned to <obj>, so the caller is responsible for its deallocation.
Implements TAO_Bindings_Map.
Get a pointer to the underlying hash map.
int TAO_Persistent_Bindings_Map::open |
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size_t |
hash_map_size, |
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ACE_Allocator * |
alloc |
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Allocate hash map of size <hash_map_size> from persistent storage using the <alloc>.
int TAO_Persistent_Bindings_Map::open_helper |
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size_t |
hash_table_size, |
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void * |
buffer |
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) |
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protected |
Helper to the <open> method. By isolating placement new into a separate method, we can deal with memory allocation failures more efficiently. If there is a problem in HASH_MAP constructor, we can clean up preallocated space.
Overwrite a binding containing <id> and <kind> (or create a new one if one doesn't exist) with the specified parameters. Return 0 or 1 on success. Return -1 or -2 on failure. (-2 is returned if the new and old bindings differ in type).
Implements TAO_Bindings_Map.
The hash map has already been preallocated for us. We just need to set our data members take ownership of it.
Helper: factors common code from <bind> and <rebind>.
size_t TAO_Persistent_Bindings_Map::total_size |
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void |
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Return the size of the underlying hash table.
int TAO_Persistent_Bindings_Map::unbind |
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const char * |
id, |
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const char * |
kind |
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) |
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virtual |
Remove a binding containing <id> and <kind> from the table. Return 0 on success and -1 on failure.
Implements TAO_Bindings_Map.
Member Data Documentation
Pointer to the allocator we use to make bindings persistent.
HASH_MAP* TAO_Persistent_Bindings_Map::map_ |
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protected |
Pointer to the underlying hash map.
Pointer to the orb. We need it to do string/object conversions.
The documentation for this class was generated from the following files: