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53 lines
1.1 KiB
C++
53 lines
1.1 KiB
C++
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//
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// AbstractObserver.h
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//
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// $Id: //poco/1.4/Foundation/include/Poco/AbstractObserver.h#2 $
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//
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// Library: Foundation
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// Package: Notifications
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// Module: NotificationCenter
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//
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// Definition of the AbstractObserver class.
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//
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// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
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// and Contributors.
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//
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// SPDX-License-Identifier: BSL-1.0
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//
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#ifndef Foundation_AbstractObserver_INCLUDED
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#define Foundation_AbstractObserver_INCLUDED
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#include "Poco/Foundation.h"
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#include "Poco/Notification.h"
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namespace Poco {
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class Foundation_API AbstractObserver
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/// The base class for all instantiations of
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/// the Observer and NObserver template classes.
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{
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public:
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AbstractObserver();
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AbstractObserver(const AbstractObserver& observer);
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virtual ~AbstractObserver();
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AbstractObserver& operator = (const AbstractObserver& observer);
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virtual void notify(Notification* pNf) const = 0;
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virtual bool equals(const AbstractObserver& observer) const = 0;
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virtual bool accepts(Notification* pNf) const = 0;
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virtual AbstractObserver* clone() const = 0;
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virtual void disable() = 0;
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};
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} // namespace Poco
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#endif // Foundation_AbstractObserver_INCLUDED
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