#include <JetMETCorrections/FFTJetModules/plugins/FFTJetCorrectorDBReader.cc>

Inheritance diagram for FFTJetCorrectorDBReader:

Public Member Functions
	FFTJetCorrectorDBReader (const edm::ParameterSet &)
virtual	~FFTJetCorrectorDBReader ()
Private Member Functions
virtual void	analyze (const edm::Event &, const edm::EventSetup &)
	FFTJetCorrectorDBReader (const FFTJetCorrectorDBReader &)
	FFTJetCorrectorDBReader ()
FFTJetCorrectorDBReader &	operator= (const FFTJetCorrectorDBReader &)
Private Attributes
bool	isArchiveCompressed
std::string	outputFile
bool	printAsString
bool	readArchive
std::string	record

Detailed Description

Description: writes a blob from a file into a database

Implementation: [Notes on implementation]

Definition at line 46 of file FFTJetCorrectorDBReader.cc.

Constructor & Destructor Documentation

FFTJetCorrectorDBReader::FFTJetCorrectorDBReader ( const edm::ParameterSet & ps ) [explicit]

Definition at line 66 of file FFTJetCorrectorDBReader.cc.

    : init_param(std::string, record),
      init_param(std::string, outputFile),
      init_param(bool, printAsString),
      init_param(bool, readArchive),
      init_param(bool, isArchiveCompressed)
{
}

virtual FFTJetCorrectorDBReader::~FFTJetCorrectorDBReader ( ) [inline, virtual]

Definition at line 50 of file FFTJetCorrectorDBReader.cc.

{}

FFTJetCorrectorDBReader::FFTJetCorrectorDBReader ( ) [private]

FFTJetCorrectorDBReader::FFTJetCorrectorDBReader ( const FFTJetCorrectorDBReader & ) [private]

Member Function Documentation

void FFTJetCorrectorDBReader::analyze	(	const edm::Event &	iEvent,
		const edm::EventSetup &	iSetup
	)		`[private, virtual]`

Implements edm::EDAnalyzer.

Definition at line 75 of file FFTJetCorrectorDBReader.cc.

References prof2calltree::count, gather_cfg::cout, alignCSCRings::e, instance, isArchiveCompressed, outputFile, printAsString, readArchive, and record.

{
    edm::ESHandle<FFTJetCorrectorParameters> JetCorParams;
    StaticFFTJetCorrectorParametersLoader::instance().load(
        iSetup, record, JetCorParams);

    if (printAsString || readArchive)
        std::cout << "++++ FFTJetCorrectorDBReader: info for record \""
                  << record << '"' << std::endl;

    if (printAsString)
        std::cout << "++++ String rep: \"" 
                  << JetCorParams->str() << '"' << std::endl;
    else if (readArchive)
    {
        CPP11_auto_ptr<gs::StringArchive> par;

        {
            std::istringstream is(JetCorParams->str());
            if (isArchiveCompressed)
                par = gs::read_compressed_item<gs::StringArchive>(is);
            else
                par = gs::read_item<gs::StringArchive>(is);
        }

        const unsigned long long idSmall = par->smallestId();
        if (!idSmall)
            std::cout << "++++ No valid records in the archive" << std::endl;
        else
        {
            std::cout << "++++ Archive metadata begins" << std::endl;
            const unsigned long long idLarge = par->largestId();
            unsigned long long count = 0;
            for (unsigned long long id = idSmall; id <= idLarge; ++id)
                if (par->itemExists(id))
                {
                    CPP11_shared_ptr<const gs::CatalogEntry> e = 
                        par->catalogEntry(id);
                    std::cout << '\n';
                    e->humanReadable(std::cout);
                    ++count;
                }
            std::cout << "\n++++ Archive metadata ends, "
                      << count << " items total" << std::endl;
        }
    }

    if (!outputFile.empty())
    {
        std::ofstream of(outputFile.c_str(), std::ios_base::binary);
        if (!of.is_open())
            throw cms::Exception("InvalidArgument")
                << "Failed to open file \"" << outputFile << '"' << std::endl;
        if (!JetCorParams->empty())
        {
            of.write(JetCorParams->getBuffer(), JetCorParams->length());
            if (of.fail())
                throw cms::Exception("SystemError")
                    << "Output stream failure while writing file \""
                    << outputFile << '"' << std::endl;
        }
    }
}