ChangeLogTag:Fri Oct 24 19:22:10 2003 Balachandran Natarajan <bala@dre.vanderbilt.edu>

3 files changed, 139 insertions, 0 deletions

diff --git a/TAO/ChangeLog_ref b/TAO/ChangeLog_ref
index 67d173a2fb6..3a76d1ca7fa 100644
--- a/TAO/ChangeLog_ref
+++ b/TAO/ChangeLog_ref
@@ -1,3 +1,11 @@
+Fri Oct 24 19:22:10 2003  Balachandran Natarajan  <bala@dre.vanderbilt.edu>
+
+	* tao/Valuetype/AbstractBase_T.h:
+	* tao/Valuetype/AbstractBase_T.cpp: 
+
+	  New files that contain the implementation of _narrow () and
+	  _unchecked_narrow ().
+
 Fri Oct 24 19:18:13 2003  Balachandran Natarajan  <bala@dre.vanderbilt.edu>
 
 	* tao/Any.cpp:
diff --git a/TAO/tao/Valuetype/AbstractBase_T.cpp b/TAO/tao/Valuetype/AbstractBase_T.cpp
new file mode 100644
index 00000000000..97e62fb07c1
--- /dev/null
+++ b/TAO/tao/Valuetype/AbstractBase_T.cpp
@@ -0,0 +1,78 @@
+// $Id$
+#ifndef TAO_ABSTRACT_BASE_T_C
+#define TAO_ABSTRACT_BASE_T_C
+
+#include "AbstractBase_T.h"
+#include "AbstractBase.h"
+#include "Stub.h"
+
+ACE_RCSID (Valuetype,
+           Abstractbase_T,
+           "$Id$")
+namespace TAO
+{
+  template<typename T> T *
+  AbstractBase_Narrow_Utils<T>::narrow (
+      CORBA::AbstractBase_ptr obj,
+      const char *repo_id,
+      Proxy_Broker_Factory pbf
+      ACE_ENV_ARG_DECL)
+  {
+    if (CORBA::AbstractBase::is_nil (obj))
+      {
+        return T::_nil ();
+      }
+
+    CORBA::Boolean is_it =
+      obj->_is_a (
+          repo_id
+          ACE_ENV_ARG_PARAMETER
+        );
+    ACE_CHECK_RETURN (T::_nil ());
+
+    if (is_it == 0)
+      {
+        return T::_nil ();
+      }
+
+    return AbstractBase_Narrow_Utils<T>::unchecked_narrow (obj,
+                                                           pbf);
+  }
+
+  template<typename T>  T *
+  AbstractBase_Narrow_Utils<T>::unchecked_narrow (
+      CORBA::AbstractBase_ptr obj,
+      Proxy_Broker_Factory pbf)
+  {
+    if (CORBA::AbstractBase::is_nil (obj))
+      {
+        return T::_nil ();
+      }
+
+    T_ptr proxy = T::_nil ();
+
+    if (obj->_is_objref ())
+      {
+        TAO_Stub* stub = obj->_stubobj ();
+
+        bool collocated =
+          !CORBA::is_nil (stub->servant_orb_var ().ptr ())
+          && stub->servant_orb_var ()->orb_core ()->optimize_collocation_objects ()
+          && obj->_is_collocated ()
+          && pbf != 0;
+
+        ACE_NEW_RETURN (proxy,
+                        T (obj->_stubobj (),
+                           collocated ? 1 : 0,
+                           obj->_servant ()),
+                        T::_nil ());
+      }
+    else
+      {
+        proxy = T::_downcast (obj);
+        proxy->_add_ref ();
+      }
+
+    return proxy;
+  }
+}
diff --git a/TAO/tao/Valuetype/AbstractBase_T.h b/TAO/tao/Valuetype/AbstractBase_T.h
new file mode 100644
index 00000000000..a628b987e58
--- /dev/null
+++ b/TAO/tao/Valuetype/AbstractBase_T.h
@@ -0,0 +1,53 @@
+// -*- C++ -*-
+
+//=============================================================================
+/**
+ *  @file     AbstractBase_T.h
+ *
+ *  $Id$
+ *
+ *  @author  Balachandran Natarajan <bala@dre.vanderbilt.edu>
+ */
+//=============================================================================
+
+#ifndef TAO_ABSTRACTBASE_T_H
+#define TAO_ABSTRACTBASE_T_H
+#include /**/ "ace/pre.h"
+
+#include "tao/Object_T.h"
+
+#if !defined (ACE_LACKS_PRAGMA_ONCE)
+# pragma once
+#endif /* ACE_LACKS_PRAGMA_ONCE */
+
+namespace CORBA
+{
+  class AbstractBase;
+  typedef AbstractBase *AbstractBase_ptr;
+}
+
+namespace TAO
+{
+  template<typename T>
+  class AbstractBase_Narrow_Utils
+  {
+    static T_ptr narrow (CORBA::AbstractBase_ptr,
+                         const char *repo_id,
+                         Proxy_Broker_Factory
+                         ACE_ENV_ARG_DECL);
+
+    static T_ptr unchecked_narrow (CORBA::AbstractBase_ptr,
+                                   Proxy_Broker_Factory);
+  };
+}
+
+#if defined (ACE_TEMPLATES_REQUIRE_SOURCE)
+#include "tao/Valetype/AbstractBase_T.cpp"
+#endif /* ACE_TEMPLATES_REQUIRE_SOURCE */
+
+#if defined (ACE_TEMPLATES_REQUIRE_PRAGMA)
+#pragma implementation ("AbstractBase_T.cpp")
+#endif /* ACE_TEMPLATES_REQUIRE_PRAGMA */
+
+#include /**/ "ace/post.h"
+3endif /*TAO_ABSTRACTBASE_T_H*/