1 files changed, 61 insertions, 0 deletions
diff --git a/trunk/TAO/tao/PI/PICurrent_Impl.inl b/trunk/TAO/tao/PI/PICurrent_Impl.inl
new file mode 100644
index 00000000000..eaedb899d20
--- /dev/null
+++ b/trunk/TAO/tao/PI/PICurrent_Impl.inl
@@ -0,0 +1,61 @@
+// -*- C++ -*-
+//
+// $Id$
+
+TAO_BEGIN_VERSIONED_NAMESPACE_DECL
+
+ACE_INLINE
+TAO::PICurrent_Impl::PICurrent_Impl ()
+  : slot_table_ (),
+    lazy_copy_ (0),
+    impending_change_callback_ (0)
+{
+}
+
+ACE_INLINE
+TAO::PICurrent_Impl::~PICurrent_Impl ()
+{
+  // Break any existing ties that another PICurrent has with our table
+  // since our table will no longer exist once this destructor completes.
+  if (0 != this->impending_change_callback_)
+    this->impending_change_callback_->convert_from_lazy_to_real_copy ();
+
+  // If we have logically copied another table, ensure it is told about our
+  // demise so that it will not call our non-existant
+  // convert_from_lazy_to_real_copy() when it changes/destructs.
+  if (0 != this->lazy_copy_)
+    this->lazy_copy_->set_callback_for_impending_change (0);
+}
+
+ACE_INLINE void
+TAO::PICurrent_Impl::convert_from_lazy_to_real_copy ()
+{
+  // Make sure we take a physical copy of the existing logical
+  // copy of the table before it disappears/changes.
+  if (0 != this->lazy_copy_)
+    {
+      this->slot_table_ = this->lazy_copy_->current_slot_table ();
+
+      // Must tell the old copied PICurrent_Impl that we no
+      // longer want to be told when/if it is going to be
+      // changed or destroyed.
+      this->lazy_copy_->set_callback_for_impending_change (0);
+      this->lazy_copy_ = 0;
+    }
+}
+
+ACE_INLINE void
+TAO::PICurrent_Impl::set_callback_for_impending_change (TAO::PICurrent_Impl *p)
+{
+  this->impending_change_callback_ = (this == p) ? 0 : p;
+}
+
+ACE_INLINE TAO::PICurrent_Impl::Table &
+TAO::PICurrent_Impl::current_slot_table ()
+{
+  return (0 == this->lazy_copy_) ?
+         this->slot_table_ :
+         this->lazy_copy_->current_slot_table ();
+}
+
+TAO_END_VERSIONED_NAMESPACE_DECL