TAO/examples/Advanced/ch_18/CCS.idl

   1 //=============================================================================
   2 /**
   3  *  @file    CCS.idl
   4  *
   5  *  @author Source code used in TAO has been modified and adapted from the codeprovided in the book
   6  *  @author "Advanced CORBA Programming with C++" by MichiHenning and Steve Vinoski. Copyright 1999. Addison-Wesley
   7  *  @author Reading
   8  *  @author MA.Modified for TAO by Mike Moran <mm4@cs.wustl.edu>
   9  */
  10 //=============================================================================
  11
  12
  13
  14
  15 #pragma prefix "acme.com"
  16
  17 module CCS {
  18     typedef unsigned long   AssetType;
  19     typedef string          ModelType;
  20     typedef short           TempType;
  21     typedef string          LocType;
  22
  23     interface Thermometer {
  24         readonly attribute ModelType    model;
  25         readonly attribute AssetType    asset_num;
  26         readonly attribute TempType     temperature;
  27                  attribute LocType      location;
  28
  29         void                            remove();
  30     };
  31
  32     interface Thermostat : Thermometer {
  33         struct BtData {
  34             TempType    requested;
  35             TempType    min_permitted;
  36             TempType    max_permitted;
  37             string      error_msg;
  38         };
  39         exception BadTemp { BtData details; };
  40
  41         TempType    get_nominal();
  42         TempType    set_nominal(in TempType new_temp)
  43                         raises(BadTemp);
  44     };
  45
  46     interface Controller {
  47         exception DuplicateAsset {};
  48
  49         Thermometer create_thermometer(
  50                         in AssetType    anum,
  51                         in LocType      loc
  52                     ) raises(DuplicateAsset);
  53         Thermostat  create_thermostat(
  54                         in AssetType    anum,
  55                         in LocType      loc,
  56                         in TempType     temp
  57                     ) raises(DuplicateAsset, Thermostat::BadTemp);
  58
  59         typedef sequence<Thermometer>   ThermometerSeq;
  60         typedef sequence<Thermostat>    ThermostatSeq;
  61
  62         enum SearchCriterion { ASSET, LOCATION, MODEL };
  63
  64         union KeyType switch(SearchCriterion) {
  65         case ASSET:
  66             AssetType   asset_num;
  67         case LOCATION:
  68             LocType     loc;
  69         case MODEL:
  70             ModelType   model_desc;
  71         };
  72
  73         struct SearchType {
  74             KeyType     key;
  75             Thermometer device;
  76         };
  77         typedef sequence<SearchType>    SearchSeq;
  78
  79         struct ErrorDetails {
  80             Thermostat          tmstat_ref;
  81             Thermostat::BtData  info;
  82         };
  83         typedef sequence<ErrorDetails>  ErrSeq;
  84
  85         exception EChange {
  86             ErrSeq  errors;
  87         };
  88
  89         ThermometerSeq  list();
  90         void            find(inout SearchSeq slist);
  91         void            change(
  92                             in ThermostatSeq tlist, in short delta
  93                         ) raises(EChange);
  94
  95     };
  96 };