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edm::StreamerFileReader Class Reference

#include <IOPool/Streamer/src/StreamerFileReader.h>

List of all members.

Public Member Functions
const InitMsgView *	getHeader ()
const EventMsgView *	getNextEvent ()
const bool	newHeader ()
	StreamerFileReader (edm::ParameterSet const &pset)
	~StreamerFileReader ()
Private Attributes
std::auto_ptr< StreamerInputFile >	stream_reader_
	names of Streamer files
std::vector< std::string >	streamerNames_

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Detailed Description

Definition at line 15 of file StreamerFileReader.h.

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Constructor & Destructor Documentation

edm::StreamerFileReader::StreamerFileReader

(

edm::ParameterSet const &

pset

)

Definition at line 11 of file StreamerFileReader.cc.

References TestMuL1L2Filter_cff::catalog, edm::InputFileCatalog::fileNames(), edm::errors::FileReadError, stream_reader_, and streamerNames_.

                                                                   :
    streamerNames_(pset.getUntrackedParameter<std::vector<std::string> >("fileNames"))
  {
      PoolCatalog poolcat;
      InputFileCatalog catalog(pset, poolcat);
      streamerNames_ = catalog.fileNames();

      if (streamerNames_.size() > 1)
          stream_reader_ = std::auto_ptr<StreamerInputFile> 
                          (new StreamerInputFile(streamerNames_));
      else if (streamerNames_.size() == 1) 
           stream_reader_ = std::auto_ptr<StreamerInputFile>
                          (new StreamerInputFile(streamerNames_.at(0)));
      else {
           throw edm::Exception(errors::FileReadError, "StreamerFileReader::StreamerFileReader")
              << " Not provided fileNames \n";
      }
  }

edm::StreamerFileReader::~StreamerFileReader

(

)

Definition at line 30 of file StreamerFileReader.cc.

  {
  }

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Member Function Documentation

const InitMsgView * edm::StreamerFileReader::getHeader

(

)

Definition at line 38 of file StreamerFileReader.cc.

References InitMsgView::code(), edm::errors::FileReadError, header, Header::INIT, and stream_reader_.

  {
 
    const InitMsgView* header = stream_reader_->startMessage();
  
    if(header->code() != Header::INIT) //INIT Msg
      throw edm::Exception(errors::FileReadError, "StreamerFileReader::readHeader")
        << "received wrong message type: expected INIT, got "
        << header->code() << "\n";

   return header;
  }

const EventMsgView * edm::StreamerFileReader::getNextEvent

(

)

Definition at line 51 of file StreamerFileReader.cc.

References stream_reader_.

 {
    if (!stream_reader_->next() )
    {
        return 0;
    }
    return stream_reader_->currentRecord();
 } 

const bool edm::StreamerFileReader::newHeader

(

)

Definition at line 34 of file StreamerFileReader.cc.

References stream_reader_.

                                           {
       return stream_reader_->newHeader();
  }

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Member Data Documentation

std::auto_ptr<StreamerInputFile> edm::StreamerFileReader::stream_reader_ [private]

names of Streamer files

Definition at line 28 of file StreamerFileReader.h.

Referenced by getHeader(), getNextEvent(), newHeader(), and StreamerFileReader().

std::vector<std::string> edm::StreamerFileReader::streamerNames_ [private]

Definition at line 27 of file StreamerFileReader.h.

Referenced by StreamerFileReader().

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

• IOPool/Streamer/src/StreamerFileReader.h
• IOPool/Streamer/src/StreamerFileReader.cc

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