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



  //
  // ActiveRunnable.h
  //
  // Id: //poco/1.3/Foundation/include/Poco/ActiveRunnable.h#3 
  //
  // Library: Foundation
  // Package: Threading
  // Module:  ActiveObjects
  //
  // Definition of the ActiveRunnable class.
  //
  // Copyright (c) 2004-2007, 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_ActiveRunnable_INCLUDED
  define Foundation_ActiveRunnable_INCLUDED
  
  include "Poco/Foundation.h"
  include "Poco/ActiveResult.h"
  include "Poco/Runnable.h"
  include "Poco/RefCountedObject.h"
  include "Poco/AutoPtr.h"
  include "Poco/Exception.h"
  
  namespace Poco {
  
  class ActiveRunnableBase: public Runnable, public RefCountedObject
  
The base class for all ActiveRunnable instantiations. { public: typedef AutoPtr<ActiveRunnableBase> Ptr; };

  template <class ResultType, class ArgType, class OwnerType>
  class ActiveRunnable: public ActiveRunnableBase
  
This class is used by ActiveMethod. See the ActiveMethod class for more information. { public: typedef ResultType (OwnerType::*Callback)(const ArgType&); typedef ActiveResult<ResultType> ActiveResultType;

          ActiveRunnable(OwnerType* pOwner, Callback method, const ArgType& arg, const ActiveResultType& result):
                  _pOwner(pOwner),
                  _method(method),
                  _arg(arg),
                  _result(result)
          {
                  poco_check_ptr (pOwner);
          }
  
          void run()
          {
                  ActiveRunnableBase::Ptr guard(this, false); // ensure automatic release when done
                  try
                  {
                          _result.data(new ResultType((_pOwner->*_method)(_arg)));
                  }
                  catch (Exception& e)
                  {
                          _result.error(e);
                  }
                  catch (std::exception& e)
                  {
                          _result.error(e.what());
                  }
                  catch (...)
                  {
                          _result.error("unknown exception");
                  }
                  _result.notify();
          }
  
  private:
          OwnerType* _pOwner;
          Callback   _method;
          ArgType    _arg;
          ActiveResultType _result;
  };
  
  template <class ArgType, class OwnerType>
  class ActiveRunnable
This class is used by ActiveMethod. See the ActiveMethod class for more information. { public: typedef void (OwnerType::*Callback)(const ArgType&); typedef ActiveResult<void> ActiveResultType;

          ActiveRunnable(OwnerType* pOwner, Callback method, const ArgType& arg, const ActiveResultType& result):
                  _pOwner(pOwner),
                  _method(method),
                  _arg(arg),
                  _result(result)
          {
                  poco_check_ptr (pOwner);
          }
  
          void run()
          {
                  ActiveRunnableBase::Ptr guard(this, false); // ensure automatic release when done
                  try
                  {
                          (_pOwner->*_method)(_arg);
                  }
                  catch (Exception& e)
                  {
                          _result.error(e);
                  }
                  catch (std::exception& e)
                  {
                          _result.error(e.what());
                  }
                  catch (...)
                  {
                          _result.error("unknown exception");
                  }
                  _result.notify();
          }
  
  private:
          OwnerType* _pOwner;
          Callback   _method;
          ArgType    _arg;
          ActiveResultType _result;
  };
  
  template <class ResultType, class OwnerType>
  class ActiveRunnable
This class is used by ActiveMethod. See the ActiveMethod class for more information. { public: typedef ResultType (OwnerType::*Callback)(); typedef ActiveResult<ResultType> ActiveResultType;

          ActiveRunnable(OwnerType* pOwner, Callback method, const ActiveResultType& result):
                  _pOwner(pOwner),
                  _method(method),
                  _result(result)
          {
                  poco_check_ptr (pOwner);
          }
  
          void run()
          {
                  ActiveRunnableBase::Ptr guard(this, false); // ensure automatic release when done
                  try
                  {
                          _result.data(new ResultType((_pOwner->*_method)()));
                  }
                  catch (Exception& e)
                  {
                          _result.error(e);
                  }
                  catch (std::exception& e)
                  {
                          _result.error(e.what());
                  }
                  catch (...)
                  {
                          _result.error("unknown exception");
                  }
                  _result.notify();
          }
  
  private:
          OwnerType* _pOwner;
          Callback   _method;
          ActiveResultType _result;
  };
  
  template <class OwnerType>
  class ActiveRunnable
This class is used by ActiveMethod. See the ActiveMethod class for more information. { public: typedef void (OwnerType::*Callback)(); typedef ActiveResult<void> ActiveResultType;

          ActiveRunnable(OwnerType* pOwner, Callback method, const ActiveResultType& result):
                  _pOwner(pOwner),
                  _method(method),
                  _result(result)
          {
                  poco_check_ptr (pOwner);
          }
  
          void run()
          {
                  ActiveRunnableBase::Ptr guard(this, false); // ensure automatic release when done
                  try
                  {
                          (_pOwner->*_method)();
                  }
                  catch (Exception& e)
                  {
                          _result.error(e);
                  }
                  catch (std::exception& e)
                  {
                          _result.error(e.what());
                  }
                  catch (...)
                  {
                          _result.error("unknown exception");
                  }
                  _result.notify();
          }
  
  private:
          OwnerType* _pOwner;
          Callback   _method;
          ActiveResultType _result;
  };
  
  } // namespace Poco
  
  endif // Foundation_ActiveRunnable_INCLUDED
  


(C) Æliens 04/09/2009

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