ChangeLogTag: Mon Jul 1 09:02:32 2002 Jeff Parsons <parsons@cs.wustl.edu>

1 files changed, 323 insertions, 0 deletions

diff --git a/TAO/tao/AbstractBase.cpp b/TAO/tao/AbstractBase.cpp
new file mode 100644
index 00000000000..da99baf4106
--- /dev/null
+++ b/TAO/tao/AbstractBase.cpp
@@ -0,0 +1,323 @@
+// $Id$
+
+// ============================================================================
+//
+// = LIBRARY
+//     TAO
+//
+// = FILENAME
+//     AbstractBase.cpp
+//
+// = AUTHOR
+//     Jeff Parsons  <parsons@cs.wustl.edu>
+//
+// ============================================================================
+
+#include "tao/AbstractBase.h"
+#include "tao/Any.h"
+#include "tao/Stub.h"
+#include "tao/Profile.h"
+#include "tao/ValueFactory.h"
+
+#if defined (TAO_HAS_VALUETYPE)
+
+#if !defined (__ACE_INLINE__)
+# include "tao/AbstractBase.inl"
+#endif /* ! __ACE_INLINE__ */
+
+ACE_RCSID (tao, 
+           AbstractBase, 
+           "$Id$")
+
+int CORBA_AbstractBase::_tao_class_id = 0;
+
+void *
+CORBA_AbstractBase::_tao_QueryInterface (ptr_arith_t type)
+{
+  void *retv = 0;
+  
+  if (type == ACE_reinterpret_cast (
+              ptr_arith_t,
+              &CORBA_AbstractBase::_tao_class_id)
+            )
+    {
+      retv = ACE_reinterpret_cast (void*, this);
+    }
+  
+  if (retv != 0)
+    {
+      this->_add_ref ();
+    }
+  
+  return retv;
+}
+
+void
+CORBA_AbstractBase::_add_ref (void)
+{
+  if (this->refcount_lock_ != 0)
+    {
+      ACE_GUARD (TAO_SYNCH_MUTEX, mon, *this->refcount_lock_);
+
+      this->refcount_++;
+    }
+}
+
+void
+CORBA_AbstractBase::_remove_ref (void)
+{
+  if (this->refcount_lock_ != 0)
+    {
+      {
+        ACE_GUARD (TAO_SYNCH_MUTEX, mon, *this->refcount_lock_);
+
+        this->refcount_--;
+
+        if (this->refcount_ != 0)
+          {
+            return;
+          }
+      }
+
+      delete this;
+    }
+}
+
+CORBA::Object_ptr
+CORBA_AbstractBase::_to_object (void)
+{
+  if (this->concrete_stubobj_ == 0)
+    {
+      return CORBA::Object::_nil ();
+    }
+
+  TAO_ORB_Core *orb_core = this->concrete_stubobj_->orb_core ();
+  this->concrete_stubobj_->_incr_refcnt ();
+
+  return orb_core->create_object (this->concrete_stubobj_);
+}
+
+CORBA::ValueBase *
+CORBA_AbstractBase::_to_value (void)
+{
+  if (this->is_objref_)
+    {
+      return 0;
+    }
+
+  CORBA::ValueBase *retval = this->_tao_to_value ();
+
+  if (retval == 0)
+    {
+      return retval;
+    }
+
+  retval->_add_ref ();
+  return retval;
+}
+
+CORBA::Boolean
+operator<< (TAO_OutputCDR &strm, const CORBA_AbstractBase_ptr abs)
+{
+  CORBA::Boolean discriminator = 0;
+
+  if (abs->_is_objref ())
+    {
+      discriminator = 1;
+
+      if (strm << ACE_OutputCDR::from_boolean (discriminator))
+        {
+          TAO_Stub *stubobj = abs->_stubobj ();
+
+          if (stubobj == 0)
+            {
+              return 0;
+            }
+
+          // STRING, a type ID hint
+          if ((strm << stubobj->type_id.in ()) == 0)
+            {
+              return 0;
+            }
+
+          const TAO_MProfile& mprofile = stubobj->base_profiles ();
+
+          CORBA::ULong profile_count = mprofile.profile_count ();
+
+          if ((strm << profile_count) == 0)
+            {
+              return 0;
+            }
+
+          // @@ The MProfile should be locked during this iteration, is there
+          // anyway to achieve that?
+          for (CORBA::ULong i = 0; i < profile_count; ++i)
+            {
+              const TAO_Profile *p = mprofile.get_profile (i);
+
+              if (p->encode (strm) == 0)
+                {
+                  return 0;
+                }
+            }
+
+          return (CORBA::Boolean) strm.good_bit ();
+        }
+    }
+  else
+    {
+      discriminator = 0;
+
+      if (strm << ACE_OutputCDR::from_boolean (discriminator))
+        {
+          CORBA::Boolean retval = 1;
+
+          CORBA::ULong value_tag = TAO_OBV_GIOP_Flags::Value_tag_base
+                                   | TAO_OBV_GIOP_Flags::Type_info_single;
+
+          retval = strm.write_ulong (value_tag);
+
+          if (retval == 0)
+            {
+              return retval;
+            }
+
+          retval = strm << abs->_tao_obv_repository_id ();
+
+          if (retval == 0)
+            {
+              return retval;
+            }
+
+          return abs->_tao_marshal_v (strm);
+        }
+    }
+
+  return 0;
+}
+
+CORBA::Boolean
+operator>> (TAO_InputCDR &strm, CORBA_AbstractBase_ptr &abs)
+{
+  abs = 0;
+  CORBA::Boolean discriminator = 0;
+  ACE_InputCDR::to_boolean tb (discriminator);
+  TAO_ORB_Core *orb_core = 0;
+
+  if (strm >> tb)
+    {
+      if (discriminator == 0)
+        {
+          CORBA::ULong value_tag;
+
+          if (!strm.read_ulong (value_tag))
+            {
+              return 0;
+            }
+
+          if (TAO_OBV_GIOP_Flags::is_null_ref (value_tag))
+            {
+              // Ok, null reference unmarshaled.
+              return 1;
+            }
+
+          if (!TAO_OBV_GIOP_Flags::is_value_tag (value_tag))
+            {
+              ACE_DEBUG ((LM_DEBUG, 
+                          ACE_TEXT ("operator>> CORBA::AbstractBase ")
+                          ACE_TEXT ("not value_tag\n")));
+              return 0;
+            }
+
+          CORBA::String_var repo_id_stream;
+
+          // It would be more efficient not to copy the string)
+          if (strm.read_string (repo_id_stream.inout ()) == 0)
+            {
+              return 0;
+            }
+
+          orb_core = strm.orb_core ();
+
+          if (orb_core == 0)
+            {
+              orb_core = TAO_ORB_Core_instance ();
+
+              if (TAO_debug_level > 0)
+                {
+                  ACE_DEBUG ((LM_WARNING,
+                              "TAO (%P|%t) WARNING: extracting valuetype using "
+                              "default ORB_Core\n"));
+                }
+            }
+
+          CORBA::ValueFactory_var factory = 
+            orb_core->orb ()->lookup_value_factory (repo_id_stream.in ());
+
+          // We should throw an exception, if there were an appropriate one.
+          if (factory == 0)
+            {
+              ACE_DEBUG ((LM_ERROR, 
+                          ACE_TEXT ("(%N:%l) OBV factory is null !!!\n")));
+              return 0;
+            }
+
+          abs = factory->create_for_unmarshal_abstract ();
+
+          return abs->_tao_unmarshal_v (strm);
+        }
+      else
+        {
+          CORBA::Object_var generic_objref;
+
+          if (strm >> generic_objref.inout ())
+            {
+              TAO_Stub *concrete_stubobj = generic_objref->_stubobj ();
+
+              CORBA::Boolean stores_orb =
+                ! CORBA::is_nil (concrete_stubobj->servant_orb_var ().ptr ());
+
+              if (stores_orb)
+                {
+                  orb_core = 
+                    concrete_stubobj->servant_orb_var ()->orb_core ();
+                }
+
+              CORBA::Boolean collocated =
+                orb_core != 0
+                && orb_core->optimize_collocation_objects ()
+                && generic_objref->_is_collocated ();
+
+              ACE_NEW_RETURN (abs,
+                              CORBA_AbstractBase (concrete_stubobj,
+                                                  collocated,
+                                                  generic_objref->_servant ()),
+                              0);
+              return 1;
+            }
+        }
+    }
+
+  return 0;
+}
+
+CORBA::Boolean
+CORBA_AbstractBase::_tao_marshal_v (TAO_OutputCDR &)
+{
+  return 0;
+}
+
+CORBA::Boolean
+CORBA_AbstractBase::_tao_unmarshal_v (TAO_InputCDR &)
+{
+  return 0;
+}
+
+CORBA::ValueBase *
+CORBA_AbstractBase::_tao_to_value (void)
+{
+  return 0;
+}
+
+#endif /* TAO_HAS_VALUETYPE */
+