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Diffstat (limited to 'TAO/orbsvcs/orbsvcs/Naming/Transient_Naming_Context.h')
| -rw-r--r-- | TAO/orbsvcs/orbsvcs/Naming/Transient_Naming_Context.h | 179 |
1 files changed, 0 insertions, 179 deletions
diff --git a/TAO/orbsvcs/orbsvcs/Naming/Transient_Naming_Context.h b/TAO/orbsvcs/orbsvcs/Naming/Transient_Naming_Context.h deleted file mode 100644 index b561ef6aa70..00000000000 --- a/TAO/orbsvcs/orbsvcs/Naming/Transient_Naming_Context.h +++ /dev/null @@ -1,179 +0,0 @@ -/* -*- C++ -*- */ -// $Id$ -// ============================================================================ -// -// = LIBRARY -// cos -// -// = FILENAME -// Transient_Naming_Context.h -// -// = AUTHOR -// Marina Spivak <marina@cs.wustl.edu> -// -// ============================================================================ - -#ifndef TAO_TRANSIENT_NAMING_CONTEXT_H -#define TAO_TRANSIENT_NAMING_CONTEXT_H - -#include "Hash_Naming_Context.h" -#include "Entries.h" -#include "ace/Hash_Map_Manager.h" - -#if !defined (ACE_LACKS_PRAGMA_ONCE) -# pragma once -#endif /* ACE_LACKS_PRAGMA_ONCE */ - -class TAO_ORBSVCS_Export TAO_Transient_Bindings_Map : public TAO_Bindings_Map -{ - // = TITLE - // Provides hash-table-based transient storage for name to object bindings in a - // Naming Context. - // - // = DESCRIPTION - // A thin wrapper on top of ACE_Hash_Map_Manager. Supports - // TAO_Bindings_Map interface. Used by TAO_Transient_Naming_Context. -public: - - typedef ACE_Hash_Map_Manager<TAO_ExtId, TAO_IntId, ACE_Null_Mutex> HASH_MAP; - // Underlying data structure - typedef for ease of use. - - // = Initialization and termination methods. - - TAO_Transient_Bindings_Map (size_t hash_table_size); - // Constructor. - - virtual ~TAO_Transient_Bindings_Map (void); - // Destructor. - - // = Accessors. - - HASH_MAP &map (void); - // Get a reference to the underlying hash map. - - size_t total_size (void); - // Return the size of the underlying hash table. - - virtual size_t current_size (void); - // Return current number of entries (name bindings) in the - // underlying hash map. - - // = Name bindings manipulation methods. - - virtual int bind (const char *id, - const char *kind, - CORBA::Object_ptr obj, - CosNaming::BindingType type); - // 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>. - - virtual int rebind (const char *id, - const char *kind, - CORBA::Object_ptr obj, - CosNaming::BindingType type); - // 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). - - virtual int unbind (const char * id, - const char * kind); - // Remove a binding containing <id> and <kind> from the table. - // Return 0 on success and -1 on failure. - - virtual int find (const char * id, - const char * kind, - CORBA::Object_ptr & obj, - CosNaming::BindingType &type); - // 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. - -private: - - int shared_bind (const char *id, - const char *kind, - CORBA::Object_ptr obj, - CosNaming::BindingType type, - int rebind); - // Helper: factors common code from <bind> and <rebind>. - - HASH_MAP map_; - // Hash map used for storage. -}; - -class TAO_ORBSVCS_Export TAO_Transient_Naming_Context : public TAO_Hash_Naming_Context -{ - // = TITLE - // This class plays a role of a 'ConcreteImplementor' in the - // Bridge pattern architecture of the CosNaming::NamingContext - // implementation. - // - // = DESCRIPTION - // This class provides a transient implementation of the - // NamingContext functionality, i.e., the state is not preserved - // across process boundaries. Derives from - // TAO_Hash_Naming_Context and uses TAO_Transient_Bindings_Map to - // store name to object bindings. - -public: - - typedef TAO_Transient_Bindings_Map::HASH_MAP HASH_MAP; - // Underlying data structure - typedef for ease of use. - - // = Initialization and termination methods. - - TAO_Transient_Naming_Context (PortableServer::POA_ptr poa, - const char *poa_id, - size_t hash_table_size - = ACE_DEFAULT_MAP_SIZE); - // Constructor. - - virtual ~TAO_Transient_Naming_Context (void); - // Destructor. - - // = Utility methods. - static CosNaming::NamingContext_ptr make_new_context (PortableServer::POA_ptr poa, - const char *poa_id, - size_t context_size, - CORBA::Environment &ACE_TRY_ENV); - // This utility method factors out the code needed to create a new - // Transient Naming Context servant and activate it under the - // specified POA with the specified id. This function is static so - // that the code can be used, both from inside the class (e.g., <new_context>), - // and from outside (e.g., Naming_Utils.cpp). - - // = Methods not implemented in TAO_Hash_Naming_Context. - - virtual CosNaming::NamingContext_ptr new_context (CORBA::Environment &ACE_TRY_ENV); - // This operation returns a new naming context implemented by the - // same naming server in which the operation was invoked. The - // context is not bound. - - virtual void list (CORBA::ULong how_many, - CosNaming::BindingList_out &bl, - CosNaming::BindingIterator_out &bi, - CORBA::Environment &ACE_TRY_ENV); - // Returns at most the requested number of bindings <how_many> in - // <bl>. If the naming context contains additional bindings, they - // are returned with a BindingIterator. In the naming context does - // not contain any additional bindings <bi> returned as null. - -protected: - - ACE_UINT32 counter_; - // Counter used for generation of POA ids for children Naming - // Contexts. - - TAO_Transient_Bindings_Map *transient_context_; - // A pointer to the underlying data structure used to store name - // bindings. While our superclass (TAO_Hash_Naming_Context) also - // maintains a pointer to the data structure, keeping this pointer - // around saves us from the need to downcast when invoking - // non-virtual methods. -}; - -#endif /* TAO_TRANSIENT_NAMING_CONTEXT_H */ |