/*
 * COSS Naming 
 */

#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; 					
  };
  
  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__