ClickHouse/base/poco/Foundation/include/Poco/AbstractObserver.h
Robert Schulze b79ead9c84
Move poco to base/poco/ (#46075)
* Replicate poco into base/poco/

* De-register poco submodule

* Build poco from ClickHouse

* Exclude poco from stylecheck

* Exclude poco from whitespace check

* Exclude poco from typo check

* Remove x bit from sources/headers (the style check complained)

* Exclude poco from duplicate include check

* Fix fasttest

* Remove contrib/poco-cmake/*

* Simplify poco build descriptions

* Remove poco stuff not used by ClickHouse

* Glob poco sources

* Exclude poco from clang-tidy
2023-02-08 12:04:11 +01:00

51 lines
1.1 KiB
C++

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