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Linux 2.6 - man page for corba_object (linux section 3erl)

corba_object(3erl)			       Erlang Module Definition 			   corba_object(3erl)

NAME
corba_object - The CORBA Object interface functions
DESCRIPTION
This module contains the CORBA Object interface functions that can be called for all objects.
EXPORTS
get_interface(Object) -> InterfaceDef Types Object = #objref InterfaceDef = term() This function returns the full interface description for an object. is_nil(Object) -> boolean() Types Object = #objref This function checks if the object reference has a nil object value, which denotes no object. It is the reference that is tested and no object implementation is involved in the test. is_a(Object, Logical_type_id) -> Return is_a(Object, Logical_type_id, Contexts) -> Return Types Object = #objref Logical_type_id = string() Contexts = [Context] Context = #'IOP_ServiceContext'{context_id = CtxId, context_data = CtxData} CtxId = ?ORBER_GENERIC_CTX_ID CtxData = {interface, Interface} | {userspecific, term()} | {configuration, Options} Interface = string() Options = [{Key, Value}] Key = ssl_client_verify | ssl_client_depth | ssl_client_certfile | ssl_client_cacertfile | ssl_client_password | ssl_client_keyfile | ssl_client_ciphers | ssl_client_cachetimeout Value = allowed value associated with the given key Return = boolean() | {'EXCEPTION', E} The Logical_type_id is a string that is a share type identifier (repository id). The function returns true if the object is an instance of that type or an ancestor of the "most derived" type of that object. The configuration context is used to override the global SSL client side configuration . Note: Other ORB suppliers may not support this function completely according to the OMG specification. Thus, a is_a call may raise an exception or respond unpredictable if the Object is located on a remote node. is_remote(Object) -> boolean() Types Object = #objref This function returns true if an object reference is remote otherwise false. non_existent(Object) -> Return non_existent(Object, Contexts) -> Return Types Object = #objref Contexts = [Context] Context = #'IOP_ServiceContext'{context_id = CtxId, context_data = CtxData} CtxId = ?ORBER_GENERIC_CTX_ID CtxData = {interface, Interface} | {userspecific, term()} | {configuration, Options} Interface = string() Options = [{Key, Value}] Key = ssl_client_verify | ssl_client_depth | ssl_client_certfile | ssl_client_cacertfile | ssl_client_password | ssl_client_keyfile | ssl_client_ciphers | ssl_client_cachetimeout Value = allowed value associated with the given key Return = boolean() | {'EXCEPTION', E} This function can be used to test if the object has been destroyed. It does this without invoking any application level code. The ORB returns true if it knows that the object is destroyed otherwise false. The configuration context is used to override the global SSL client side configuration . Note: The OMG have specified two different operators, _not_existent (CORBA version 2.0 and 2.2) and _non_existent (CORBA version 2.3), to be used for this function. It is not mandatory to support both versions. Thus, a non_existent call may raise an exception or respond unpredictable if the Object is located on a remote node. Depending on which version, ORB:s you intend to communicate with supports, you can either use this function or not_existent/1 . not_existent(Object) -> Return not_existent(Object, Contexts) -> Return Types Object = #objref Contexts = [Context] Context = #'IOP_ServiceContext'{context_id = CtxId, context_data = CtxData} CtxId = ?ORBER_GENERIC_CTX_ID CtxData = {interface, Interface} | {userspecific, term()} | {configuration, Options} Interface = string() Options = [{Key, Value}] Key = ssl_client_verify | ssl_client_depth | ssl_client_certfile | ssl_client_cacertfile | ssl_client_password | ssl_client_keyfile | ssl_client_ciphers | ssl_client_cachetimeout Value = allowed value associated with the given key Return = boolean() | {'EXCEPTION', E} This function is implemented due to Interoperable purposes. Behaves as non_existent except the operator _not_existent is used when communicating with other ORB:s. The configuration context is used to override the global SSL client side configuration . is_equivalent(Object, OtherObject) -> boolean() Types Object = #objref OtherObject = #objref This function is used to determine if two object references are equivalent so far the ORB easily can determine. It returns true if the target object reference is equal to the other object reference and false otherwise. hash(Object, Maximum) -> int() Types Object = #objref Maximum = int() This function returns a hash value based on the object reference that not will change during the life- time of the object. The Maximum parameter denotes the upper bound of the value. Ericsson AB orber 3.6.20 corba_object(3erl)


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