ClickHouse/base/poco/Foundation/include/Poco/PriorityEvent.h

//
// PriorityEvent.h
//
// Library: Foundation
// Package: Events
// Module:  PriorityEvent
//
// Implementation of the PriorityEvent template.
//
// Copyright (c) 2006-2011, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier:	BSL-1.0
//


#ifndef Foundation_PriorityEvent_INCLUDED
#define Foundation_PriorityEvent_INCLUDED


#include "Poco/AbstractEvent.h"
#include "Poco/AbstractPriorityDelegate.h"
#include "Poco/PriorityStrategy.h"


namespace Poco
{


template <class TArgs, class TMutex = FastMutex>
class PriorityEvent
    : public AbstractEvent<TArgs, PriorityStrategy<TArgs, AbstractPriorityDelegate<TArgs>>, AbstractPriorityDelegate<TArgs>, TMutex>
/// A PriorityEvent uses internally a PriorityStrategy which
/// invokes delegates in order of priority (lower priorities first).
/// PriorityEvent's can only be used together with PriorityDelegate's.
/// PriorityDelegate's are sorted according to the priority value, when
/// two delegates have the same priority, they are invoked in
/// an arbitrary manner.
{
public:
    PriorityEvent() { }

    ~PriorityEvent() { }

private:
    PriorityEvent(const PriorityEvent &);
    PriorityEvent & operator=(const PriorityEvent &);
};


} // namespace Poco


#endif // Foundation_PriorityEvent_INCLUDED