1 files changed, 80 insertions, 0 deletions
diff --git a/TAO/orbsvcs/orbsvcs/Time/Timer_Helper.h b/TAO/orbsvcs/orbsvcs/Time/Timer_Helper.h
new file mode 100644
index 00000000000..9bfd7297661
--- /dev/null
+++ b/TAO/orbsvcs/orbsvcs/Time/Timer_Helper.h
@@ -0,0 +1,80 @@
+// -*- C++ -*-
+
+//=============================================================================
+/**
+ * @file Timer_Helper.h
+ *
+ * $Id$
+ *
+ * This class is registered with the Reactor and extends from the
+ * event handler.It is a friend of the TAO_Time_Service_Clerk and
+ * helps to update the clerk's notion of globally synchronized
+ * time. This class obviates the need for multiple inheritance in
+ * the clerk.
+ *
+ * @author Vishal Kachroo  <vishal@cs.wustl.edu>
+ */
+//=============================================================================
+
+
+#ifndef TIMER_HELPER_H
+#define	TIMER_HELPER_H
+
+#include /**/ "ace/pre.h"
+
+
+#include "ace/Event_Handler.h"
+#include "ace/Containers.h"
+#include "orbsvcs/Time/time_export.h"
+
+#include "orbsvcs/TimeServiceS.h"
+
+#if !defined (ACE_LACKS_PRAGMA_ONCE)
+# pragma once
+#endif /* ACE_LACKS_PRAGMA_ONCE */
+
+TAO_BEGIN_VERSIONED_NAMESPACE_DECL
+
+class TAO_Time_Service_Clerk;
+
+/**
+ * @class Timer_Helper
+ *
+ * @brief Timer Helper for the clerk.
+ *
+ * The handle timeout method of this class is called periodically
+ * by the reactor. This method updates the clerk's notion of
+ * globally synchronized time by contacting the various Time
+ * Servers.
+ */
+class TAO_Time_Export Timer_Helper : public ACE_Event_Handler
+{
+public:
+  // = Initialization and termination methods.
+  /// Constructor.
+  Timer_Helper (void);
+
+  /// Destructor.
+  ~Timer_Helper (void);
+
+  /// Constructor that sets the clerk.
+  Timer_Helper (TAO_Time_Service_Clerk *clerk);
+
+  /// This method is called periodically by the Reactor to update the
+  /// clerk's time.
+  int handle_timeout (const ACE_Time_Value &time,
+		      const void *arg);
+
+protected:
+  /// Clerk's instance that this class helps to update time.
+  TAO_Time_Service_Clerk *clerk_;
+
+  /// The set of server IORs.
+  typedef ACE_Array_Base<CosTime::TimeService_var> IORS;
+};
+
+TAO_END_VERSIONED_NAMESPACE_DECL
+
+#include /**/ "ace/post.h"
+
+#endif /* TIMER_HELPER_H */