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Diffstat (limited to 'TAO/orbsvcs/orbsvcs/Naming/Hash_Naming_Context.h')
| -rw-r--r-- | TAO/orbsvcs/orbsvcs/Naming/Hash_Naming_Context.h | 195 |
1 files changed, 0 insertions, 195 deletions
diff --git a/TAO/orbsvcs/orbsvcs/Naming/Hash_Naming_Context.h b/TAO/orbsvcs/orbsvcs/Naming/Hash_Naming_Context.h deleted file mode 100644 index b8bc60c8c07..00000000000 --- a/TAO/orbsvcs/orbsvcs/Naming/Hash_Naming_Context.h +++ /dev/null @@ -1,195 +0,0 @@ -/* -*- C++ -*- */ -// $Id$ -// ============================================================================ -// -// = LIBRARY -// cos -// -// = FILENAME -// Hash_Naming_Context.h -// -// = AUTHOR -// Marina Spivak <marina@cs.wustl.edu> -// -// ============================================================================ - -#ifndef TAO_HASH_NAMING_CONTEXT_H -#define TAO_HASH_NAMING_CONTEXT_H - -#include "Naming_Context.h" -#include "Entries.h" - -class TAO_ORBSVCS_Export TAO_Hash_Naming_Context : public TAO_Naming_Context_Impl -{ - // = TITLE - // This class plays a role of a 'ConcreteImplementor' in the - // Bridge pattern architecture of the Naming Service - // implementation. This implementation of the NamingContext - // uses ACE_Hash_Map_Manager to store name bindings. - // - // = DESCRIPTION - // Extensive idl method descriptions can be found in Naming_Context.h - -public: - typedef ACE_Hash_Map_Manager<TAO_ExtId, TAO_IntId, ACE_Null_Mutex> HASH_MAP; - - // = Initialization and termination methods. - TAO_Hash_Naming_Context (PortableServer::POA_ptr poa, - const char *poa_id, - size_t default_hash_table_size = ACE_DEFAULT_MAP_SIZE, - int root = 0); - // Default constructor, which initializes the <size> of the table, - // and sets a root flag. - - virtual ~TAO_Hash_Naming_Context (void); - // destructor. - - // = CosNaming::NamingContext idl interface methods. - virtual void bind (const CosNaming::Name &n, - CORBA::Object_ptr obj, - CORBA::Environment &IT_env); - - virtual void rebind (const CosNaming::Name &n, - CORBA::Object_ptr obj, - CORBA::Environment &IT_env); - - virtual void bind_context (const CosNaming::Name &n, - CosNaming::NamingContext_ptr nc, - CORBA::Environment &IT_env); - - virtual void rebind_context (const CosNaming::Name &n, - CosNaming::NamingContext_ptr nc, - CORBA::Environment &IT_env); - - virtual CORBA::Object_ptr resolve (const CosNaming::Name &n, - CORBA::Environment &IT_env); - - virtual void unbind (const CosNaming::Name &n, - CORBA::Environment &IT_env); - - virtual CosNaming::NamingContext_ptr new_context (CORBA::Environment &IT_env); - - virtual CosNaming::NamingContext_ptr bind_new_context (const CosNaming::Name &n, - CORBA::Environment &IT_env); - - virtual void destroy (CORBA::Environment &IT_env); - - virtual void list (CORBA::ULong how_many, - CosNaming::BindingList_out &bl, - CosNaming::BindingIterator_out &bi, - CORBA::Environment &IT_env); - - virtual PortableServer::POA_ptr _default_POA (void); - // Returns the Default POA of this Servant object - - void interface (TAO_Naming_Context *i); - // Set the pointer to the 'interface' that forwards calls invoked by - // CORBA clients to us. See data member description for the reason - // why we need this pointer. - - // = Helper functions. - static int populate_binding (TAO_Hash_Naming_Context::HASH_MAP::ENTRY *hash_entry, - CosNaming::Binding &b); - // Helper function used by TAO_Hash_Naming_Context and - // TAO_BindingIterator: populate a binding <b> with info contained - // in <hash_entry>. Return 1 if everything went smoothly, 0 if an - // allocation failed. - -protected: - // = These are the helper methods used by other methods. - - CosNaming::NamingContext_ptr get_context (const CosNaming::Name &name, - CORBA::Environment &_env); - // This is used by methods that need to resolve a compound name to - // get the reference to the target context before performing the - // actual operation (e.g. bind, unbind, etc.) Takes a full name - // (including the last component that doesn't need to be resolved) - // Returns a pointer to the target context. - - PortableServer::POA_var poa_; - // POA we are registered with. - - ACE_UINT32 counter_; - // Counter used for generation of POA ids for objects created by - // this context. - - ACE_CString poa_id_; - // ID with which we are registered with <poa_>. - - HASH_MAP context_; - // This implementation of <NamingContext> uses <ACE_Hash_Map> for - // storage and manipulation of name-object bindings. - - int root_; - // Flag indicating whether the context is a root or not. It allows - // to do things like have <destroy> be a no-op on root context. - // Values: 1 indicates root, 0 indicates not a root. - - ACE_Lock *lock_; - // Lock to serialize access to the underlying data structure. This - // is a lock adapter that hides the type of lock, which may be a - // null lock if the ORB decides threading is not necessary. - - size_t hash_table_size_; - // Hash table size. - - TAO_Naming_Context *interface_; - // Pointer to the 'Abstraction' in the bridge pattern. We need this - // pointer so that we can clean up the Abstraction as necessary when <destroy> - // method is called. The reason we need to clean up as opposed to - // the Abstraction itself is that we, the concrete implementation, have the *knowledge* of how - // to do this, e.g., we may have one servant serving many objects - // and would not want to delete the servant in the <destroy> operation. -}; - -class TAO_ORBSVCS_Export TAO_Hash_Binding_Iterator : - public POA_CosNaming::BindingIterator -{ - // = TITLE - // This class implements the <BindingIterator> interface that is - // part of the <CosNaming> idl module based on the Hash_Map - // implementation for CosNaming::NamingContext. - // - // = DESCRIPTION - // <TAO_Hash_Binding_Iterator> constructor expects a pointer to a - // dynamically allocated hash map iterator. Destructor - // deallocates hash map iterator. -public: - // = Intialization and termination methods. - TAO_Hash_Binding_Iterator (TAO_Hash_Naming_Context::HASH_MAP::ITERATOR *hash_iter, - PortableServer::POA_ptr poa, - ACE_Lock *lock); - // Constructor. - - ~TAO_Hash_Binding_Iterator (void); - // Destructor. - - // Returns the Default POA of this Servant object - virtual PortableServer::POA_ptr _default_POA (CORBA::Environment &env); - - CORBA::Boolean next_one (CosNaming::Binding_out b, - CORBA::Environment &IT_env); - // This operation returns the next binding. If there are no more - // bindings false is returned. - - CORBA::Boolean next_n (CORBA::ULong how_many, - CosNaming::BindingList_out bl, - CORBA::Environment &IT_env); - // This operation returns at most the requested number of bindings. - - void destroy (CORBA::Environment &IT_env); - // This operation destroys the iterator. - -private: - TAO_Hash_Naming_Context::HASH_MAP::ITERATOR *hash_iter_; - // A pointer to the hash map iterator. - - ACE_Lock *lock_; - // Lock passed on from <TAO_NamingContext> to serialize access to the - // internal data structure. - - PortableServer::POA_var poa_; - // Implement a different _default_POA() -}; - -#endif /* TAO_HASH_NAMING_CONTEXT_H */ |