TAO/tests/POA/On_Demand_Activation/Servant_Locator.cpp

   1
   2 //=============================================================================
   3 /**
   4  *  @file     Servant_Locator.cpp
   5  *
   6  *   Implementation of ServantLocator class , used with a POA
   7  *   having a NON_RETAIN policy.
   8  *
   9  *  @author  Irfan Pyarali
  10  */
  11 //=============================================================================
  12
  13
  14 #include "Servant_Locator.h"
  15 #include "test_i.h"
  16 #include "ace/OS_NS_string.h"
  17
  18 ServantLocator::ServantLocator (CORBA::ORB_ptr orb)
  19   : orb_ (CORBA::ORB::_duplicate (orb))
  20 {
  21 }
  22
  23
  24 PortableServer::Servant
  25 ServantLocator::preinvoke (const PortableServer::ObjectId &oid,
  26                            PortableServer::POA_ptr poa,
  27                            const char * /* operation */,
  28                            PortableServer::ServantLocator::Cookie &cookie)
  29 {
  30   // Convert ObjectID to String.
  31
  32   CORBA::String_var s = PortableServer::ObjectId_to_string (oid);
  33   // If ObjectID string has a test substring, create and return a
  34   // test_i.
  35
  36   if (ACE_OS::strstr (s.in (), "test") != 0)
  37     {
  38       PortableServer::Servant servant =
  39         new test_i (this->orb_.in (), poa);
  40
  41       // Return the servant as the cookie , used as a check when
  42       // postinvoke is called on this ServantLocator.
  43
  44       cookie = servant;
  45       return servant;
  46     }
  47   else
  48     {
  49       throw CORBA::OBJECT_NOT_EXIST ();
  50     }
  51 }
  52
  53 void
  54 ServantLocator::postinvoke (const PortableServer::ObjectId & /* oid */,
  55                             PortableServer::POA_ptr /* poa */,
  56                             const char * /* operation */,
  57                             PortableServer::ServantLocator::Cookie cookie,
  58                             PortableServer::Servant servant)
  59 {
  60   // Check the passed servant with the cookie.
  61
  62   PortableServer::Servant my_servant = (PortableServer::Servant) cookie;
  63   ACE_ASSERT (servant == my_servant);
  64   delete servant;
  65
  66   // To avoid warning about unused variable with ACE_NDEBUG.
  67   ACE_UNUSED_ARG (my_servant);
  68 }