undoing accidental deletion

1 files changed, 75 insertions, 0 deletions

diff --git a/ACE/ace/Notification_Strategy.h b/ACE/ace/Notification_Strategy.h
new file mode 100644
index 00000000000..5fe5d836c05
--- /dev/null
+++ b/ACE/ace/Notification_Strategy.h
@@ -0,0 +1,75 @@
+// -*- C++ -*-
+
+//=============================================================================
+/**
+ *  @file   Notification_Strategy.h
+ *
+ *  $Id$
+ *
+ *  @author Doug Schmidt
+ */
+//=============================================================================
+#ifndef ACE_NOTIFICATION_STRATEGY_H
+#define ACE_NOTIFICATION_STRATEGY_H
+#include /**/ "ace/pre.h"
+
+#include "ace/Event_Handler.h"
+
+#if !defined (ACE_LACKS_PRAGMA_ONCE)
+# pragma once
+#endif /* ACE_LACKS_PRAGMA_ONCE */
+
+ACE_BEGIN_VERSIONED_NAMESPACE_DECL
+
+// Forward decls.
+class ACE_Reactor;
+
+/**
+ * @class ACE_Notification_Strategy
+ *
+ * @brief Abstract class used for notifying an interested party
+ *
+ * A vehicle for extending the behavior of ACE_Message_Queue wrt
+ * notification *without subclassing*.  Thus, it's an example of
+ * the Bridge/Strategy patterns.
+ */
+class ACE_Export ACE_Notification_Strategy
+{
+public:
+  /// Constructor.
+  ACE_Notification_Strategy (ACE_Event_Handler *eh, ACE_Reactor_Mask mask);
+
+  /// Destructor.
+  virtual ~ACE_Notification_Strategy (void);
+
+  virtual int notify (void) = 0;
+  virtual int notify (ACE_Event_Handler *, ACE_Reactor_Mask mask) = 0;
+
+  /// Get the event handler.
+  ACE_Event_Handler *event_handler (void);
+
+  /// Set the event handler.
+  void event_handler (ACE_Event_Handler *eh);
+
+  /// Get the reactor mask.
+  ACE_Reactor_Mask mask (void) const;
+
+  /// Set the reactor mask.
+  void mask (ACE_Reactor_Mask m);
+
+protected:
+  /// The event handler.
+  ACE_Event_Handler *eh_;
+
+  /// The reactor mask.
+  ACE_Reactor_Mask mask_;
+};
+
+ACE_END_VERSIONED_NAMESPACE_DECL
+
+#if defined (__ACE_INLINE__)
+#include "ace/Notification_Strategy.inl"
+#endif /* __ACE_INLINE __ */
+
+#include /**/ "ace/post.h"
+#endif /*ACE_NOTIFICATION_STRATEGY_H */