1 files changed, 51 insertions, 0 deletions
diff --git a/ACE/examples/Smart_Pointers/Gadget.h b/ACE/examples/Smart_Pointers/Gadget.h
new file mode 100644
index 00000000000..65b1fb0a34e
--- /dev/null
+++ b/ACE/examples/Smart_Pointers/Gadget.h
@@ -0,0 +1,51 @@
+/* -*- C++ -*- */
+//=============================================================================
+/**
+ *  @file    Gadget.h
+ *
+ *  $Id$
+ *
+ *  @author Christopher Kohlhoff <chris@kohlhoff.com>
+ */
+//=============================================================================
+
+#ifndef GADGET_H
+#define GADGET_H
+
+#include "ace/Bound_Ptr.h"
+#include "Gadget_Part.h"
+
+/**
+ * @class Gadget
+ *
+ * @brief An interface for some high-level application object.
+ */
+class Gadget
+{
+public:
+  /// Destructor.
+  virtual ~Gadget (void);
+
+  /// Add a new part to the gadget. The gadget automatically takes shared
+  /// responsibility for the ownership of the part object since we are passing
+  /// a Gadget_Part_var.
+  virtual void add_part (Gadget_Part_var part) = 0;
+
+  /// Remove a random part from the gadget. Responsibility for ownership of the
+  /// part is automatically returned to the caller since we are returning a
+  /// Gadget_Part_var.
+  virtual Gadget_Part_var remove_part (void) = 0;
+
+  /// Ask the gadget to print information about the parts that it contains.
+  virtual void list_parts (void) = 0;
+};
+
+// The Gadget_var smart pointer has shared (reference counted) ownership
+// semantics.
+typedef ACE_Strong_Bound_Ptr<Gadget, ACE_SYNCH_MUTEX> Gadget_var;
+
+// The Gadget_ptr smart pointer has no ownership semantics, but supports
+// conversion back into a Gadget_var.
+typedef ACE_Weak_Bound_Ptr<Gadget, ACE_SYNCH_MUTEX> Gadget_ptr;
+
+#endif /* GADGET_H */