.$B%5!<%P$N3+H/.(B

.$B$3$N%;%/%7%g%s$G$O!".(BJava IDL .$B$K$h$k!"0l;~.(B CORBA .$B%*%V%8%'%/%H$N%5!<%P%5%]!<%H$K$D$$$F@bL@$7$^$9!#.(B Hello World .$B$NNc.(B.$B$K$O!"0l;~%*%V%8%'%/%H%5!<%P$,4^$^$l$F$$$^$9!#.(B

.$B$3$3$G$O!"0J2<$N9`L\$K$D$$$F@bL@$7$^$9!#.(B

• .$B0l;~%*%V%8%'%/%H$H;}B3%*%V%8%'%/%H.(B
• .$B%5!<%P%s%H$*$h$S%5!<%P%s%H4pDl%/%i%9.(B
• .$B%5!<%P%s%H%*%V%8%'%/%H$N;HMQ.(B
• Dynamic Skeleton Interface
• .$B0Q>y%9%1%k%H%s.(B (Tie)

.$B0l;~.(B CORBA .$B%*%V%8%'%/%H$NM-8z4|4V$O!"%*%V%8%'%/%H$r:n@.$7$?%5!<%P%W%m%;%9$NC<:$7!"%/%i%$%"%s%H$+$i$N%*%V%8%'%/%H;2>H$O$9$Y$FL58z$K$J$j$^$9!#0l;~%*%V%8%'%/%H$O!"%"%W%j%1!<%7%g%s$H%*%V%8%'%/%H4V$NHsF14|=hM}$*$h$S%3!<%k%P%C%/DL?.$K;HMQ$5$l$^$9!#$?$H$($P!"%?%$%_%s%0%5!<%S%9$,%$%s%?!<%P%k$N4|8B$,@Z$l$?$3$H$r%/%i%$%"%s%H%"%W%j%1!<%7%g%s$KDLCN$9$k>l9g!"0J2<$N

• .$B%?%$%_%s%0%5!<%S%9$O!".(Binterval_expired() .$B%*%Z%l!<%7%g%s$r4^$`DLCN%*%V%8%'%/%H$N%$%s%?%U%'!<%9$rDj5A$9$k.(B

• .$B%?%$%_%s%0%5!<%S%9$O!"%/%i%$%"%s%H$,%?%$%_%s%0%5!<%S%9$N.(B set_interval() .$B%*%Z%l!<%7%g%s$KDLCN%*%V%8%'%/%H$rEO$9$3$H$rMW5a$9$k.(B

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• .$B%/%i%$%"%s%H%"%W%j%1!<%7%g%s$O!"DLCN%*%V%8%'%/%H$r:n@.$7!"%?%$%_%s%0%5!<%S%9$KEO$9.(B

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.$B%5!<%P%s%H4pDl%/%i%9$O!".(BORB .$B$H$=$N7?$KBP1~$9$k%5!<%P%s%H%3!<%I.(B (.$B%9%1%k%H%s.(B) .$B4V$N!"7?8GM-$N.(B CORBA .$B%$%s%?%U%'!<%9$G$9!#%5!<%P%s%H4pDl%/%i%9$O!"EO$5$l$k%Q%i%a!<%?$rHs@0Ns2=$7!"%5!<%P%s%H%a%=%C%I$r8F$S=P$7!"7k2L$r@0Ns2=$7!".(BORB .$B$,7k2L$r%/%i%$%"%s%H.(B ORB .$B$KJV$9$h$&$K;X<($7$^$9!#.(B

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module Notifiers {
   interface SimpleNotifier {
      void alert (in long alert_id);
   };
};

.$B$3$N7?$N%5!<%P%s%H$O

import Notifiers.*
 
class SimpleNotifierServant extends _SimpleNotifierImplBase {
   
   void alert (int alert_id) {
      // do something about the alert ...
      return;
   }
}

.$B%5!<%P%/%i%9$O!"SimpleNotifierServant .$B$N%$%s%9%?%s%9$r@8@.$G$-$^$9!#.(B

  SimpleNotifierServant SimpleNotifier = new SimpleNotifierServant(); 
  orb.connect(SimpleNotifier); 

orb.connect() .$B8F$S=P$7$O!"%*%V%8%'%/%H$*$h$S%5!<%P%s%H$r.(B ORB .$B$H$H$b$KEPO?$9$k$N$G!".(BCORBA .$B%*%V%8%'%/%H$N8F$S=P$7;~$K.(B ORB .$B$K$h$j%5!<%P%s%H$,8F$S=P$5$l$^$9!#%5!<%P$,Dd;_$9$k$H!".(BORB .$B$O$=$N%5!<%P$N.(B CORBA .$B%*%V%8%'%/%H$N%l%3!<%I$rGK4~$9$k$?$a!"$=$N$"$H$N8F$S=P$7$G$O.(B OBJECT_NOT_EXIST .$BNc30$,H/@8$7$^$9!#%5!<%P$O!".(Borb.disconnect() .$B8F$S=P$7$K$h$j<+$i$,Dd;_$7$F$7$^$&A0$K!".(BCORBA .$B%*%V%8%'%/%H$rL58z$K$9$k$3$H$b$G$-$^$9!#.(B

.$B0l;~.(B CORBA .$B%*%V%8%'%/%H$O.(B Java .$B%5!<%P%s%H%*%V%8%'%/%H$K$h$jH$rI,MW$H$9$k$I$N%a%=%C%I$K$b%Q%i%a!<%?$H$7$FEO$9$3$H$,$G$-$^$9!#$?$H$($P!".(BJava .$B%W%m%0%i%`$K$h$jJF9q.(B Sun Microsystems, Inc .$B$N3t2A$,$$$D.(B 150 .$B$rD6$9$N$+$rD4$Y$k$H$7$^$9!#$3$N%W%m%0%i%`$O!"H$rJ}$G5-=R$5$l$F$$$k.(B).$B!#.(B

// IDL
interface StockWatcher {
void set_threshold(
   in string stock_symbol,
   in short stock_price,
   in Notifiers::SimpleNotifier notifier_obj);
};
 
// Java
void set_threshold(
   String stock_symbol, 
   short stock_price, 
   Notifiers.SimpleNotifier notifier_obj)
  { // set the threshold ... 
  }
 

set_threshold() .$B$r8F$S=P$9$K$O!".(BSimpleNotifier CORBA .$B%*%V%8%'%/%H$r:n@.$9$kI,MW$,$"$j$^$9!#.(BSimpleNotifierImpl .$B$H$$$&%5!<%P%s%H%/%i%9$r$9$G$K%$%s%]!<%H$7$F$$$k>l9g$K$O!"$3$N%*%V%8%'%/%H$O

SimpleNotifier SUNWnotifier = new SimpleNotifierImpl(); 
int stockPrice = 150;
orb.connect(SUNWnotifier);
StockWatcher aStockWatcher = // code to get a stock-watcher reference; 
 
aStockWatcher.set_threshold ("SUNW", stockPrice, SUNWnotifier);
 

Dynamic Skeleton Interface (DSI) .$B$r;HMQ$9$k$H!"%*%V%8%'%/%H$N%$%s%?%U%'!<%9$rA0$b$C$F.(B (.$B%3%s%Q%$%k;~$K.(B) .$BCN$C$F$$$J$$>l9g$G$b!"%5!<%P$O%5!<%P%s%H%*%V%8%'%/%H$rDs6!$9$k$3$H$,$G$-$^$9!#%5!<%P$O!".(BIDL .$B%$%s%?%U%'!<%9Dj5A$+$i%3%s%Q%$%k$5$l$?%9%1%k%H%s%3!<%I$NBe$o$j$K!"%*%Z%l!<%7%g%s$N8F$S=P$7$rF0E*$K9=C[$7$^$9!#.(B

DSI .$B$r;HMQ$9$kMxE@.(B

.$B%3%s%Q%$%k;~$K%5!<%P$,l9g$K.(B DSI .$B$r;HMQ$7$^$9!#$?$H$($P!".(BCOM .$B%/%i%$%"%s%H$,.(B CORBA .$BNN0h$K>oCs$9$k%5!<%S%9$K%"%/%;%9$G$-$k$h$&$K$7$J$,$i!"F1;~$K.(B COM .$B4D6-$K>oCs$9$k%5!<%S%9$r.(B CORBA .$B%/%i%$%"%s%H$,8F$S=P$;$k$h$&$K$9$k>l9g!"%V%j%C%8%"%W%j%1!<%7%g%s$,I,MW$K$J$k$3$H$,$"$j$^$9!#3F4D6-$K$O!"MW5a$*$h$S1~Ez$r:n@.$9$kFH<+$NJ}K!$,$"$j$^$9!#.(B

.$B$3$N%V%j%C%8%"%W%j%1!<%7%g%s$O!".(BDSI .$B$r;HMQ$7$F.(B CORBA .$B%/%i%$%"%s%HMW5a$r.(B COM .$B%5!<%P$,G'<12DG=$J7A<0$KJQ49$7$^$9!#$^$?.(B DII .$B$r;HMQ$7$F!".(BCOM .$B%/%i%$%"%s%HMW5a$r.(B CORBA .$B%5!<%P$,G'<12DG=$J7A<0$KJQ49$7$^$9!#$3$N%"%W%j%1!<%7%g%s$N%W%m%0%i%^$O!"$3$N:n6H$r.$B$3$N=hM}$r0lHLE*$J@EE*%*%V%8%'%/%H$N8F$S=P$7$HHf3S$7$F$_$F$/$@$5$$!#%5!<%P$O!"8F$S=P$=$&$H$9$k%$%s%?%U%'!<%9MQ$N%3%s%Q%$%k:Q$_$N%9%1%k%H%s$K%"%/%;%9$7$^$9!#$3$l$i$N%9%1%k%H%s$O!".(BIDL .$B%$%s%?%U%'!<%9Dj5A$r.(B idltojava .$B%3%s%Q%$%i$G%3%s%Q%$%k$9$k$3$H$K$h$j@8@.$5$l$^$9!#.(BORB .$B$O!"MW5a$rDSI .$B$N;HMQJ}K!.(B

DSI .$B$r;HMQ$9$k$K$O!"$C$FF0E*%5!<%P%s%H$r

//IDL
module JavaIDL {
  interface DSIExample {
    void print_args(in string arg1, in short arg2);
  };
};

//Java
import java.util.*;
import org.omg.CORBA.*;

// Dynamic servant class implementation
class DSIExampleServantImpl extends DynamicImplementation {

  // Store the repository ID for the interface implemented 
  static String[] myIds = {"IDL:JavaIDL/DSIExample:1.0"};

  // Create a reference to the ORB
  ORB orb;
  DSIExampleServantImpl(ORB orb) {
    this.orb = orb;
  }

  // Implementation of invoke() for handling dynamic requests
  public void invoke(ServerRequest request) {
    try {
      System.out.println("DSI: invoke called, op = "+ request.op_name());
    
      // Create an NVList to hold the parameters
      NVList nvlist = orb.create_list(0);

      // Check if the request is for the operation
      // "print_args"
      if (request.op_name().equals("print_args") == true) {

        // Add first argument to NVList
        Any any1 = orb.create_any();
        any1.insert_string("");
        nvlist.add_value("arg1", any1, ARG_IN.value);

        // Add second argument to NVList
        Any any2 = orb.create_any();
        any2.insert_short((short)0);
        nvlist.add_value("arg2", any2, ARG_IN.value);    

        //Pass the NVList to the request, to get values
        request.params(nvlist);

        // Extract values and print arguments
        System.err.println("Argument 1: In value: " 
			    + nvlist.item(0).value().extract_string());
        System.err.println("Argument 2: In value: "
			    + nvlist.item(1).value().extract_short());
        TypeCode result_tc = orb.get_primitive_tc(TCKind.tk_void);
        Any result_any = orb.create_any(); 
        result_any.type(result_tc);

	// Set the void result
        request.result(result_any);
      }
    } 
    catch ( Exception ex ) {
      ex.printStackTrace();
      System.out.println("DSIExample: Exception thrown: " + ex);
    }
  }

  // Implement the _ids() method to return repository ID of interface
  public String[] _ids() {
    return myIds; 
  }

} 
// File DSIServer.java continues