mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-12-15 02:41:59 +00:00
57 lines
1.1 KiB
C++
57 lines
1.1 KiB
C++
//
|
|
// NullChannel.h
|
|
//
|
|
// Library: Foundation
|
|
// Package: Logging
|
|
// Module: NullChannel
|
|
//
|
|
// Definition of the NullChannel class.
|
|
//
|
|
// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
|
|
// and Contributors.
|
|
//
|
|
// SPDX-License-Identifier: BSL-1.0
|
|
//
|
|
|
|
|
|
#ifndef Foundation_NullChannel_INCLUDED
|
|
#define Foundation_NullChannel_INCLUDED
|
|
|
|
|
|
#include "Poco/Channel.h"
|
|
#include "Poco/Foundation.h"
|
|
|
|
|
|
namespace Poco
|
|
{
|
|
|
|
|
|
class Foundation_API NullChannel : public Channel
|
|
/// The NullChannel is the /dev/null of Channels.
|
|
///
|
|
/// A NullChannel discards all information sent to it.
|
|
/// Furthermore, its setProperty() method ignores
|
|
/// all properties, so it the NullChannel has the
|
|
/// nice feature that it can stand in for any
|
|
/// other channel class in a logging configuration.
|
|
{
|
|
public:
|
|
NullChannel();
|
|
/// Creates the NullChannel.
|
|
|
|
~NullChannel();
|
|
/// Destroys the NullChannel.
|
|
|
|
void log(const Message & msg);
|
|
/// Does nothing.
|
|
|
|
void setProperty(const std::string & name, const std::string & value);
|
|
/// Ignores both name and value.
|
|
};
|
|
|
|
|
|
} // namespace Poco
|
|
|
|
|
|
#endif // Foundation_NullChannel_INCLUDED
|