// [License]
// The Ariba-Underlay Copyright
//
// Copyright (c) 2008-2009, Institute of Telematics, Universität Karlsruhe (TH)
//
// Institute of Telematics
// Universität Karlsruhe (TH)
// Zirkel 2, 76128 Karlsruhe
// Germany
//
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// 1. Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// 2. Redistributions in binary form must reproduce the above copyright
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// [License]

#ifndef BLOCKING_METHOD_H__
#define BLOCKING_METHOD_H__

#include "ariba/utility/system/SystemEventListener.h"
#include "ariba/utility/system/SystemQueue.h"
#include "ariba/utility/system/SystemEvent.h"
#include "ariba/utility/system/SystemEventType.h"
#include <boost/thread/mutex.hpp>
#include <boost/thread/thread.hpp>
#include <boost/bind.hpp>

using ariba::utility::SystemEventType;
using ariba::utility::SystemQueue;
using ariba::utility::SystemEventListener;

namespace ariba {
namespace utility {

class BlockingMethod : public SystemEventListener {
public:
	BlockingMethod();
	virtual ~BlockingMethod();

	// start the blocking method
	void runBlockingMethod();

protected:

	// call this from blockingFunction when you want
	// to join the main thread in sync again.and the blocking
	// function is done
	void dispatch();
	void handleSystemEvent(const SystemEvent& event);
	static void threadFunc(BlockingMethod* obj);

	// async called when dispatch() is triggered
	// and you are back in sync with the main thread
	virtual void dispatchFunction() = 0;

	// implement with your blocking code
	virtual void blockingFunction() = 0;

private:
	boost::thread* threadObj;

};

}} // namespace ariba, common

#endif // BLOCKING_METHOD_H__