API java : _NamingContextExtStub


org.omg.CosNaming
Class _NamingContextExtStub

java.lang.Object
  extended by org.omg.CORBA.portable.ObjectImpl
      extended by org.omg.CosNaming._NamingContextExtStub
All Implemented Interfaces:
Serializable, Object, IDLEntity, NamingContext, NamingContextExt, NamingContextExtOperations, NamingContextOperations

public class _NamingContextExtStub
extends ObjectImpl
implements NamingContextExt

NamingContextExt is the extension of NamingContext which contains a set of name bindings in which each name is unique and is part of Interoperable Naming Service. Different names can be bound to an object in the same or different contexts at the same time. Using NamingContextExt, you can use URL-based names to bind and resolve.

See CORBA COS Naming Specification.

See Also:
Serialized Form

Constructor Summary
_NamingContextExtStub()
           
 
Method Summary
 String[] _ids()
          Retrieves a string array containing the repository identifiers supported by this ObjectImpl object.
 void bind_context(NameComponent[] n, NamingContext nc)
          Names an object that is a naming context.
 NamingContext bind_new_context(NameComponent[] n)
          This operation creates a new context and binds it to the name supplied as an argument.
 void bind(NameComponent[] n, Object obj)
          Creates a binding of a name and an object in the naming context.
 void destroy()
          The destroy operation deletes a naming context.
 void list(int how_many, BindingListHolder bl, BindingIteratorHolder bi)
          The list operation allows a client to iterate through a set of bindings in a naming context.
 NamingContext new_context()
          This operation returns a naming context implemented by the same naming server as the context on which the operation was invoked.
 void rebind_context(NameComponent[] n, NamingContext nc)
          Creates a binding of a name and a naming context in the naming context even if the name is already bound in the context.
 void rebind(NameComponent[] n, Object obj)
          Creates a binding of a name and an object in the naming context even if the name is already bound in the context.
 Object resolve_str(String sn)
          This operation resolves the Stringified name into the object reference.
 Object resolve(NameComponent[] n)
          The resolve operation is the process of retrieving an object bound to a name in a given context.
 NameComponent[] to_name(String sn)
          This operation converts a Stringified Name into an equivalent array of Name Components.
 String to_string(NameComponent[] n)
          This operation creates a stringified name from the array of Name components.
 String to_url(String addr, String sn)
          This operation creates a URL based "iiopname://" format name from the Stringified Name of the object.
 void unbind(NameComponent[] n)
          The unbind operation removes a name binding from a context.
 
Methods inherited from class org.omg.CORBA.portable.ObjectImpl
_create_request, _create_request, _duplicate, _get_delegate, _get_domain_managers, _get_interface_def, _get_policy, _hash, _invoke, _is_a, _is_equivalent, _is_local, _non_existent, _orb, _release, _releaseReply, _request, _request, _servant_postinvoke, _servant_preinvoke, _set_delegate, _set_policy_override, equals, hashCode, toString
 
Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait
 
Methods inherited from interface org.omg.CORBA.Object
_create_request, _create_request, _duplicate, _get_domain_managers, _get_interface_def, _get_policy, _hash, _is_a, _is_equivalent, _non_existent, _release, _request, _set_policy_override
 

Constructor Detail

_NamingContextExtStub

public _NamingContextExtStub()
Method Detail

to_string

public String to_string(NameComponent[] n)
                 throws InvalidName
This operation creates a stringified name from the array of Name components.

Specified by:
to_string in interface NamingContextExtOperations
Parameters:
n - Name of the object

Throws:
org.omg.CosNaming.NamingContextExtPackage.InvalidName - Indicates the name does not identify a binding.

InvalidName

to_name

public NameComponent[] to_name(String sn)
                        throws InvalidName
This operation converts a Stringified Name into an equivalent array of Name Components.

Specified by:
to_name in interface NamingContextExtOperations
Parameters:
sn - Stringified Name of the object

Throws:
org.omg.CosNaming.NamingContextExtPackage.InvalidName - Indicates the name does not identify a binding.

InvalidName

to_url

public String to_url(String addr,
                     String sn)
              throws InvalidAddress,
                     InvalidName
This operation creates a URL based "iiopname://" format name from the Stringified Name of the object.

Specified by:
to_url in interface NamingContextExtOperations
Parameters:
addr - internet based address of the host machine where Name Service is running

sn - Stringified Name of the object

Throws:
org.omg.CosNaming.NamingContextExtPackage.InvalidName - Indicates the name does not identify a binding.

org.omg.CosNaming.NamingContextPackage.InvalidAddress - Indicates the internet based address of the host machine is incorrect

InvalidAddress
InvalidName

resolve_str

public Object resolve_str(String sn)
                   throws NotFound,
                          CannotProceed,
                          InvalidName
This operation resolves the Stringified name into the object reference.

Specified by:
resolve_str in interface NamingContextExtOperations
Parameters:
sn - Stringified Name of the object

Throws:
NotFound - Indicates there is no object reference for the given name.

CannotProceed - Indicates that the given compound name is incorrect

org.omg.CosNaming.NamingContextExtPackage.InvalidName - Indicates the name does not identify a binding.

InvalidName

bind

public void bind(NameComponent[] n,
                 Object obj)
          throws NotFound,
                 CannotProceed,
                 InvalidName,
                 AlreadyBound
Creates a binding of a name and an object in the naming context. Naming contexts that are bound using bind do not participate in name resolution when compound names are passed to be resolved.

Specified by:
bind in interface NamingContextOperations
Parameters:
n - Name of the object

obj - The Object to bind with the given name

Throws:
NotFound - Indicates the name does not identify a binding.

CannotProceed - Indicates that the implementation has given up for some reason. The client, however, may be able to continue the operation at the returned naming context.

InvalidName - Indicates that the name is invalid.

AlreadyBound - Indicates an object is already bound to the specified name.


bind_context

public void bind_context(NameComponent[] n,
                         NamingContext nc)
                  throws NotFound,
                         CannotProceed,
                         InvalidName,
                         AlreadyBound
Names an object that is a naming context. Naming contexts that are bound using bind_context() participate in name resolution when compound names are passed to be resolved.

Specified by:
bind_context in interface NamingContextOperations
Parameters:
n - Name of the object

nc - NamingContect object to bind with the given name

Throws:
NotFound - Indicates the name does not identify a binding.

CannotProceed - Indicates that the implementation has given up for some reason. The client, however, may be able to continue the operation at the returned naming context.

InvalidName - Indicates that the name is invalid.

AlreadyBound - Indicates an object is already bound to the specified name.


rebind

public void rebind(NameComponent[] n,
                   Object obj)
            throws NotFound,
                   CannotProceed,
                   InvalidName
Creates a binding of a name and an object in the naming context even if the name is already bound in the context. Naming contexts that are bound using rebind do not participate in name resolution when compound names are passed to be resolved.

Specified by:
rebind in interface NamingContextOperations
Parameters:
n - Name of the object

Throws:
NotFound - Indicates the name does not identify a binding.

CannotProceed - Indicates that the implementation has given up for some reason. The client, however, may be able to continue the operation at the returned naming context.

InvalidName - Indicates that the name is invalid.


rebind_context

public void rebind_context(NameComponent[] n,
                           NamingContext nc)
                    throws NotFound,
                           CannotProceed,
                           InvalidName
Creates a binding of a name and a naming context in the naming context even if the name is already bound in the context. Naming contexts that are bound using rebind_context() participate in name resolution when compound names are passed to be resolved.

Specified by:
rebind_context in interface NamingContextOperations
Parameters:
n - Name of the object

nc - NamingContect object to rebind with the given name

Throws:
NotFound - Indicates the name does not identify a binding.

CannotProceed - Indicates that the implementation has given up for some reason. The client, however, may be able to continue the operation at the returned naming context.

InvalidName - Indicates that the name is invalid.


resolve

public Object resolve(NameComponent[] n)
               throws NotFound,
                      CannotProceed,
                      InvalidName
The resolve operation is the process of retrieving an object bound to a name in a given context. The given name must exactly match the bound name. The naming service does not return the type of the object. Clients are responsible for "narrowing" the object to the appropriate type. That is, clients typically cast the returned object from Object to a more specialized interface.

Specified by:
resolve in interface NamingContextOperations
Parameters:
n - Name of the object

Throws:
NotFound - Indicates the name does not identify a binding.

CannotProceed - Indicates that the implementation has given up for some reason. The client, however, may be able to continue the operation at the returned naming context.

InvalidName - Indicates that the name is invalid.


unbind

public void unbind(NameComponent[] n)
            throws NotFound,
                   CannotProceed,
                   InvalidName
The unbind operation removes a name binding from a context.

Specified by:
unbind in interface NamingContextOperations
Parameters:
n - Name of the object

Throws:
NotFound - Indicates the name does not identify a binding.

CannotProceed - Indicates that the implementation has given up for some reason. The client, however, may be able to continue the operation at the returned naming context.

InvalidName - Indicates that the name is invalid.


list

public void list(int how_many,
                 BindingListHolder bl,
                 BindingIteratorHolder bi)
The list operation allows a client to iterate through a set of bindings in a naming context.

The list operation returns at most the requested number of bindings in BindingList bl.

  • If the naming context contains additional bindings, the list operation returns a BindingIterator with the additional bindings.
  • If the naming context does not contain additional bindings, the binding iterator is a nil object reference.

Specified by:
list in interface NamingContextOperations
Parameters:
how_many - the maximum number of bindings to return

bl - the returned list of bindings

bi - the returned binding iterator


new_context

public NamingContext new_context()
This operation returns a naming context implemented by the same naming server as the context on which the operation was invoked. The new context is not bound to any name.

Specified by:
new_context in interface NamingContextOperations

bind_new_context

public NamingContext bind_new_context(NameComponent[] n)
                               throws NotFound,
                                      AlreadyBound,
                                      CannotProceed,
                                      InvalidName
This operation creates a new context and binds it to the name supplied as an argument. The newly-created context is implemented by the same naming server as the context in which it was bound (that is, the naming server that implements the context denoted by the name argument excluding the last component).

Specified by:
bind_new_context in interface NamingContextOperations
Parameters:
n - Name of the object

Throws:
NotFound - Indicates the name does not identify a binding.

AlreadyBound - Indicates an object is already bound to the specified name.

CannotProceed - Indicates that the implementation has given up for some reason. The client, however, may be able to continue the operation at the returned naming context.

InvalidName - Indicates that the name is invalid.


destroy

public void destroy()
             throws NotEmpty
The destroy operation deletes a naming context. If the naming context contains bindings, the NotEmpty exception is raised.

Specified by:
destroy in interface NamingContextOperations
Throws:
NotEmpty - Indicates that the Naming Context contains bindings.

_ids

public String[] _ids()
Description copied from class: ObjectImpl
Retrieves a string array containing the repository identifiers supported by this ObjectImpl object. For example, for a stub, this method returns information about all the interfaces supported by the stub.

Specified by:
_ids in class ObjectImpl
Returns:
the array of all repository identifiers supported by this ObjectImpl instance

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