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LHESource Class Reference

#include <GeneratorInterface/LHEInterface/plugins/LHESource.h>

Inheritance diagram for LHESource:

List of all members.

Public Member Functions
	LHESource (const edm::ParameterSet &params, const edm::InputSourceDescription &desc)
virtual	~LHESource ()
Protected Member Functions
virtual void	beginRun (edm::Run &run)
virtual void	endJob ()
virtual void	nextEvent ()
virtual bool	produce (edm::Event &event)
Protected Attributes
boost::shared_ptr< lhef::LHEEvent >	partonLevel
std::auto_ptr< lhef::LHEReader >	reader
boost::shared_ptr < lhef::LHERunInfo >	runInfo
unsigned int	skipEvents

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Detailed Description

Definition at line 21 of file LHESource.h.

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Constructor & Destructor Documentation

LHESource::LHESource	(	const edm::ParameterSet &	params,
		const edm::InputSourceDescription &	desc
	)			[explicit]

Definition at line 28 of file LHESource.cc.

                                                            :
        ExternalInputSource(params, desc, false),
        reader(new LHEReader(fileNames(), params.getUntrackedParameter<unsigned int>("seekEvent", 0))),
        skipEvents(params.getUntrackedParameter<unsigned int>("skipEvents", 0))
{
        produces<LHEEventProduct>();
        produces<LHERunInfoProduct, edm::InRun>();
}

LHESource::~LHESource

(

)

[virtual]

Definition at line 38 of file LHESource.cc.

{
}

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Member Function Documentation

void LHESource::beginRun

(

edm::Run &

run

)

[protected, virtual]

Reimplemented from edm::ConfigurableInputSource.

Definition at line 67 of file LHESource.cc.

References LHERunInfoProduct::addComment(), LHERunInfoProduct::addHeader(), nextEvent(), edm::Run::put(), and runInfo.

{
        nextEvent();
        if (runInfo) {
                std::auto_ptr<LHERunInfoProduct> product(
                                new LHERunInfoProduct(*runInfo->getHEPRUP()));
                std::for_each(runInfo->getHeaders().begin(),
                              runInfo->getHeaders().end(),
                              boost::bind(
                                &LHERunInfoProduct::addHeader,
                                product.get(), _1));
                std::for_each(runInfo->getComments().begin(),
                              runInfo->getComments().end(),
                              boost::bind(&LHERunInfoProduct::addComment,
                                product.get(), _1));
                run.put(product);
                runInfo.reset();

        }
}

void LHESource::endJob

(

void

)

[protected, virtual]

Reimplemented from edm::InputSource.

Definition at line 42 of file LHESource.cc.

References reader.

{
        reader.reset();
}

void LHESource::nextEvent

(

)

[protected, virtual]

Definition at line 47 of file LHESource.cc.

References partonLevel, reader, runInfo, and skipEvents.

Referenced by beginRun(), and produce().

{
        if (partonLevel)
                return;

        while(skipEvents > 0) {
                skipEvents--;
                partonLevel = reader->next();
                if (!partonLevel)
                        return;
        }

        partonLevel = reader->next();
        if (!partonLevel)
                        return;

        if (!runInfo)
                runInfo = partonLevel->getRunInfo();
}

bool LHESource::produce

(

edm::Event &

event

)

[protected, virtual]

Implements edm::ConfigurableInputSource.

Definition at line 88 of file LHESource.cc.

References LHEEventProduct::addComment(), nextEvent(), and partonLevel.

{
        nextEvent();
        if (!partonLevel)
                return false;

        std::auto_ptr<LHEEventProduct> product(
                        new LHEEventProduct(*partonLevel->getHEPEUP()));
        if (partonLevel->getPDF())
                product->setPDF(*partonLevel->getPDF());
        std::for_each(partonLevel->getComments().begin(),
                      partonLevel->getComments().end(),
                      boost::bind(&LHEEventProduct::addComment,
                                  product.get(), _1));
        event.put(product);

        partonLevel.reset();
        return true;
}

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Member Data Documentation

boost::shared_ptr<lhef::LHEEvent> LHESource::partonLevel [protected]

Definition at line 37 of file LHESource.h.

Referenced by nextEvent(), and produce().

std::auto_ptr<lhef::LHEReader> LHESource::reader [protected]

Definition at line 34 of file LHESource.h.

Referenced by endJob(), and nextEvent().

boost::shared_ptr<lhef::LHERunInfo> LHESource::runInfo [protected]

Definition at line 36 of file LHESource.h.

Referenced by beginRun(), and nextEvent().

unsigned int LHESource::skipEvents [protected]

Definition at line 39 of file LHESource.h.

Referenced by nextEvent().

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The documentation for this class was generated from the following files:

• GeneratorInterface/LHEInterface/plugins/LHESource.h
• GeneratorInterface/LHEInterface/plugins/LHESource.cc

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