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lib-of-vs-libs-Poco-include-Poco-NullChannel.h / h



  //
  // NullChannel.h
  //
  // Id: //poco/1.3/Foundation/include/Poco/NullChannel.h#1 
  //
  // Library: Foundation
  // Package: Logging
  // Module:  NullChannel
  //
  // Definition of the NullChannel class.
  //
  // Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
  // and Contributors.
  //
  // Permission is hereby granted, free of charge, to any person or organization
  // obtaining a copy of the software and accompanying documentation covered by
  // this license (the "Software") to use, reproduce, display, distribute,
  // execute, and transmit the Software, and to prepare derivative works of the
  // Software, and to permit third-parties to whom the Software is furnished to
  // do so, all subject to the following:
  // 
  // The copyright notices in the Software and this entire statement, including
  // the above license grant, this restriction and the following disclaimer,
  // must be included in all copies of the Software, in whole or in part, and
  // all derivative works of the Software, unless such copies or derivative
  // works are solely in the form of machine-executable object code generated by
  // a source language processor.
  // 
  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  // FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
  // SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
  // FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
  // ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  // DEALINGS IN THE SOFTWARE.
  //
  
  ifndef Foundation_NullChannel_INCLUDED
  define Foundation_NullChannel_INCLUDED
  
  include "Poco/Foundation.h"
  include "Poco/Channel.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
[] readme course(s) preface I 1 2 II 3 4 III 5 6 7 IV 8 9 10 V 11 12 afterthought(s) appendix reference(s) example(s) resource(s) _

(C) Æliens 04/09/2009

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