Algorithms.cpp

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/***********************************************************************************\
* (c) Copyright 1998-2019 CERN for the benefit of the LHCb and ATLAS collaborations *
*                                                                                   *
* This software is distributed under the terms of the Apache version 2 licence,     *
* copied verbatim in the file "LICENSE".                                            *
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* granted to it by virtue of its status as an Intergovernmental Organization        *
* or submit itself to any jurisdiction.                                             *
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#include "FloatTool.h"
#include <GaudiAlg/Consumer.h>
#include <GaudiAlg/Producer.h>
#include <GaudiKernel/MsgStream.h>
 
namespace Gaudi {
  namespace Examples {
    using BaseClass_t = Gaudi::Functional::Traits::BaseClass_t<::Algorithm>;
 
    struct THDataProducer : Gaudi::Functional::Producer<int(), BaseClass_t> {
 
      THDataProducer( const std::string& name, ISvcLocator* svcLoc )
          : Producer( name, svcLoc, KeyValue( "OutputLocation", "/Event/MyInt" ) ) {}
 
      int operator()() const override {
        info() << "executing IntDataProducer, storing 7 into " << outputLocation() << endmsg;
        return 7;
      }
    };
 
    DECLARE_COMPONENT( THDataProducer )
 
    struct THDataProducer2 : Gaudi::Functional::Producer<float(), BaseClass_t> {
 
      THDataProducer2( const std::string& name, ISvcLocator* svcLoc )
          : Producer( name, svcLoc, KeyValue( "OutputLocation", "/Event/MyFloat" ) ) {}
 
      float operator()() const override {
        info() << "executing IntDataProducer, storing 7.0 into " << outputLocation() << endmsg;
        return 7.0;
      }
    };
 
    DECLARE_COMPONENT( THDataProducer2 )
 
    struct THDataConsumer : Gaudi::Functional::Consumer<void( const int& ), BaseClass_t> {
 
      THDataConsumer( const std::string& name, ISvcLocator* svcLoc )
          : Consumer( name, svcLoc, KeyValue( "InputLocation", "/Event/MyInt" ) ) {}
 
      void operator()( const int& input ) const override {
        info() << "executing IntDataConsumer, checking " << input << " from " << inputLocation() << " and "
               << m_floatTool->getFloat() << " from FloatTool are matching" << endmsg;
      }
 
      ToolHandle<FloatTool> m_floatTool{ this, "FloatTool", "Gaudi::Examples::FloatTool" };
    };
 
    DECLARE_COMPONENT( THDataConsumer )
  } // namespace Examples
} // namespace Gaudi