1 files changed, 81 insertions, 0 deletions
diff --git a/TAO/examples/POA/On_Demand_Loading/Servant_Activator.cpp b/TAO/examples/POA/On_Demand_Loading/Servant_Activator.cpp
new file mode 100644
index 00000000000..aea5dc9147e
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+++ b/TAO/examples/POA/On_Demand_Loading/Servant_Activator.cpp
@@ -0,0 +1,81 @@
+// $Id$
+
+// ============================================================================
+//
+// = LIBRARY
+//     TAO/examples/POA/On_Demand_Loading
+//
+// = FILENAME
+//     Servant_Activator.cpp
+//
+// = DESCRIPTION
+//     Implementation of <ServantActivator_i>, which is used by a POA
+//     with a RETAIN policy.
+//
+// = AUTHOR
+//     Kirthika Parameswaran <kirthika@cs.wustl.edu>
+//
+// ============================================================================
+
+#include "Servant_Activator.h"
+
+ACE_RCSID (On_Demand_Loading,
+           Servant_Activator,
+           "$Id$")
+
+// Initialization.
+
+ServantActivator_i::ServantActivator_i (CORBA::ORB_ptr orb)
+  : servant_manager_ (orb)
+{
+}
+
+// This method associates an servant with the ObjectID.
+
+PortableServer::Servant
+ServantActivator_i::incarnate (const PortableServer::ObjectId &oid,
+                               PortableServer::POA_ptr poa)
+{
+  // Convert ObjectId to String.
+   CORBA::String_var s =
+     PortableServer::ObjectId_to_string (oid);
+
+  // Activate and return the servant else exception.
+  PortableServer::Servant servant =
+    this->servant_manager_.obtain_servant (s.in (),
+                                           poa);
+  if (servant != 0)
+    return servant;
+  else
+    throw CORBA::OBJECT_NOT_EXIST ();
+}
+
+// This is the method invoked when the object is deactivated or the
+// entire POA is is deactivated or destroyed.
+
+void
+ServantActivator_i::etherealize (const PortableServer::ObjectId &oid,
+                                 PortableServer::POA_ptr,
+                                 PortableServer::Servant servant,
+                                 CORBA::Boolean,
+                                 CORBA::Boolean remaining_activations)
+{
+  // If there are no remaining activations i.e ObjectIds associated
+  // with test servant, deactivate it.  Etheralization happens on
+  // POA::destroy() and/or Object::deactivate().
+
+  if (remaining_activations == 0)
+    this->servant_manager_.destroy_servant (servant, oid);
+}
+
+// This method returns an ObjectId when given an dll name and the
+// factory function to be invoked in the dll.  The format of the
+// ObjectId is <dllname:factory_function>.
+
+PortableServer::ObjectId_var
+ServantActivator_i::create_dll_object_id (const char *dllname,
+                                          const char *factory_function)
+{
+  return this->servant_manager_.create_dll_object_id (dllname,
+                                                      factory_function);
+}