TAO/DevGuideExamples/LocalObjects/ServantLocator/MessengerLocator_i.cpp

   1 #include "MessengerLocator_i.h"
   2 #include "Messenger_i.h"
   3
   4 #include "ace/SString.h"
   5 #include <iostream>
   6
   7 Messenger_Locator_i::Messenger_Locator_i()
   8 {
   9 }
  10
  11 PortableServer::Servant
  12 Messenger_Locator_i::preinvoke (const PortableServer::ObjectId &oid,
  13                                            PortableServer::POA_ptr,
  14                                            const char *,
  15                                            void * & cookie )
  16 {
  17   // Get the ObjectId in string format.
  18   CORBA::String_var oid_str = PortableServer::ObjectId_to_string (oid);
  19
  20   std::cout << "preinvoke called..." << oid_str << std::endl;
  21
  22   // Check if the ObjectId is valid.
  23   ACE_CString cstr(oid_str.in());
  24   if (cstr == "Messenger") {
  25     // Create the required servant
  26     PortableServer::ServantBase_var servant = new Messenger_i ();
  27
  28     // Set a flag so that we know to delete it in postinvoke().
  29     cookie = (void *)1;
  30
  31     return servant._retn();
  32   }
  33   else {
  34     throw CORBA::OBJECT_NOT_EXIST ();
  35   }
  36 }
  37
  38 void
  39 Messenger_Locator_i::postinvoke (const PortableServer::ObjectId &,
  40                                  PortableServer::POA_ptr,
  41                                  const char *,
  42                                  void * cookie,
  43                                  PortableServer::Servant servant)
  44 {
  45   std::cout << "postinvoke called..." << std::endl;
  46
  47   // Delete the servant as it is no longer needed.
  48   if (cookie != 0) {
  49     delete servant;
  50   }
  51 }