Example: Counter/Timer in Java

• We will build CORBA object for the Count class using Visigenic VisiBroker ORB on the server, to be used for timing the client/server communication overhead in CORBA

• We will use Visigenic ORB on the client which is packaged in every Netscape communicator and so can be driven simply from applets

• The following code elements are displayed:

  • IDL specification of the Count class (provided by developer)
  • Java interface, Server-side Skeleton and Implementation Template, generated by IDL->Java pre-compiler
  • Object implementation (CountImpl), constructed by developer by completing the Implementation Template
  • Main Server program and Main Client Program, constructed by developer and using the Count object to time the performance of its method invocation

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