TAO/docs/tutorials/Quoter/RT_Event_Service/Quoter.idl

   1
   2 module Quoter
   3 {
   4   exception Invalid_Stock_Symbol {};
   5   // Used to report an invalid stock name
   6
   7   // Forward declare the Stock interface
   8   interface Stock;
   9
  10   interface Stock_Factory
  11   {
  12     // = TITLE
  13     //   A factory class for the stock quoter interfaces
  14     //
  15     // = DESCRIPTION
  16     //   Return the Quoter interfaces based on their names
  17     //
  18     Stock get_stock (in string stock_symbol)
  19       raises (Invalid_Stock_Symbol);
  20   };
  21
  22   interface Stock
  23   {
  24     // = TITLE
  25     //   A simple interface to query the name and price of stock
  26     //
  27     // = DESCRIPTION
  28     //   Return the price and name of a single stock
  29     //
  30
  31     readonly attribute string symbol;
  32     // Get the stock symbol.
  33
  34     readonly attribute string full_name;
  35     // Get the name.
  36
  37     double price ();
  38     // Get the price
  39
  40   };
  41
  42   struct Event {
  43     double price;
  44     string symbol;
  45     string full_name;
  46   };
  47
  48   interface Modify_Stock : Stock {
  49     void set_price (in double new_price);
  50   };
  51 };