added Util::Timer

Util/include/Poco/Util/TimerTaskAdapter.h

@@ -0,0 +1,91 @@
+//
+// TimerTaskAdapter.h
+//
+// $Id: //poco/Main/Util/include/Poco/Util/TimerTaskAdapter.h#1 $
+//
+// Library: Util
+// Package: Timer
+// Module:  TimerTaskAdapter
+//
+// Definition of the TimerTaskAdapter class template.
+//
+// Copyright (c) 2009, Applied Informatics Software Engineering GmbH.
+// and Contributors.
+//
+// Permission is hereby granted, free of charge, to any person or organization
+// obtaining a copy of the software and accompanying documentation covered by
+// this license (the "Software") to use, reproduce, display, distribute,
+// execute, and transmit the Software, and to prepare derivative works of the
+// Software, and to permit third-parties to whom the Software is furnished to
+// do so, all subject to the following:
+// 
+// The copyright notices in the Software and this entire statement, including
+// the above license grant, this restriction and the following disclaimer,
+// must be included in all copies of the Software, in whole or in part, and
+// all derivative works of the Software, unless such copies or derivative
+// works are solely in the form of machine-executable object code generated by
+// a source language processor.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
+// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
+// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
+// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+// DEALINGS IN THE SOFTWARE.
+//
+
+
+#ifndef Util_TimerTaskAdapter_INCLUDED
+#define Util_TimerTaskAdapter_INCLUDED
+
+
+#include "Poco/Util/Util.h"
+#include "Poco/Util/TimerTask.h"
+
+
+namespace Poco {
+namespace Util {
+
+
+template <class C>
+class TimerTaskAdapter: public TimerTask
+	/// This class template simplifies the implementation
+	/// of TimerTask objects by allowing a member function
+	/// of an object to be called as task. 
+{
+public:
+	typedef void (C::*Callback)(TimerTask&);
+	
+	TimerTaskAdapter(C& object, Callback method): _pObject(&object), _method(method)
+		/// Creates the TimerTaskAdapter, using the given 
+		/// object and its member function as task target.
+		///
+		/// The member function must accept one argument,
+		/// a reference to a TimerTask object.
+	{
+	}
+	
+	void run()
+	{
+		(_pObject->*_method)(*this);
+	}
+			
+protected:
+	~TimerTaskAdapter()
+		/// Destroys the TimerTaskAdapter.
+	{
+	}
+	
+private:
+	TimerTaskAdapter();
+
+	C*       _pObject;
+	Callback _method;
+};
+
+
+} } // namespace Poco::Util
+
+
+#endif // Util_TimerTaskAdapter_INCLUDED