//
// TimerTaskAdapter.h
//
// $Id: //poco/1.3/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
