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This chapter is from the book
This chapter is from the book
This chapter is from the book
This chapter is from the book
Naming Service IDL
Listing 16 shows the IDL for the Interoperable Naming Service, which is contained in the module CosNaming.
Listing 16: IDL for the CosNaming Module
//IDL
// File: CosNaming.idl
#ifndef _COSNAMING_IDL_
#define _COSNAMING_IDL_
#pragma prefix "omg.org"
module CosNaming {
typedef string Istring;
struct NameComponent {
Istring id;
Istring kind;
};
typedef sequence<NameComponent> Name;
enum BindingType { nobject, ncontext };
struct Binding {
Name binding_name;
BindingType binding_type;
};
// Note: In struct Binding, binding_name is incorrectly defined
// as a Name instead of a NameComponent. This definition is
// unchanged for compatibility reasons.
typedef sequence <Binding> BindingList;
interface BindingIterator;
interface NamingContext {
enum NotFoundReason {
missing_node, not_context, not_object
};
exception NotFound {
NotFoundReason why;
Name rest_of_name;
};
exception CannotProceed {
NamingContext cxt;
Name rest_of_name;
};
exception InvalidName{};
exception AlreadyBound {};
exception NotEmpty{};
void bind(in Name n, in Object obj)
raises(
NotFound, CannotProceed,
InvalidName, AlreadyBound
);
void rebind(in Name n, in Object obj)
raises(NotFound, CannotProceed, InvalidName);
void bind_context(in Name n, in NamingContext nc)
raises(
NotFound, CannotProceed,
InvalidName, AlreadyBound
);
void rebind_context(in Name n, in NamingContext nc)
raises(NotFound, CannotProceed, InvalidName);
Object resolve (in Name n)
raises(NotFound, CannotProceed, InvalidName);
void unbind(in Name n)
raises(NotFound, CannotProceed, InvalidName);
NamingContext new_context();
NamingContext bind_new_context(in Name n)
raises(
NotFound, AlreadyBound,
CannotProceed, InvalidName
);
void destroy() raises(NotEmpty);
void list(
in unsigned long how_many,
out BindingList bl,
out BindingIterator bi
);
};
interface BindingIterator {
boolean next_one(out Binding b);
boolean next_n(in unsigned long how_many, out BindingList bl);
void destroy();
};
interface NamingContextExt: NamingContext {
typedef string StringName;
typedef string Address;
typedef string URLString;
StringName to_string(in Name n) raises(InvalidName);
Name to_name(in StringName sn)
raises(InvalidName);
exception InvalidAddress {};
URLString to_url(in Address addr, in StringName sn)
raises(InvalidAddress, InvalidName);
Object resolve_str(in StringName n)
raises(
NotFound, CannotProceed,
InvalidName, AlreadyBound
);
};
};
#endif // _COSNAMING_IDL_
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Page 13 of 13