OMG-IDL

• An object-oriented interface definition language
• A CORBA object is described by an interface
• An interface = a set of attributes and operations
• Parameters and attributes are strongly typed

• Example:
  

  interface computer {
       typedef unsigned long Positive;
       typedef sequence seqPositive;
       boolean is_prime_number (in Positive number);
       seqPositive prime_numbers (in Positive number);
       seqPositive decompose_into_prime_factors (in Positive number);
  };
  

• Allows multiple interface inheritance
• Mapping to several programming languages
  C, C++, SmallTalk, Java, Ada95, ...