bool NTupleEventReader::hasNextEvent() {
if (numberOfFiles == 0)
throw NoFileFoundException("No input file found!");
// bool hasNextInNTuple = input->LoadTree(currentEventEntry) >= 0;
bool isWithinEventRange = currentEventEntry < maximalNumberOfEvents;
if (currentEventEntry <= 0) {
gSystem->Load("libFWCoreFWLite.so");
AutoLibraryLoader::enable();
gSystem->Load("libDataFormatsFWLite.so");
gSystem->Load("libDataFormatsPatCandidates.so");
evtchain = new fwlite::ChainEvent(samplefiles);
cout << "Go to first event\n";
evtchain->toBegin();
} else ++(*evtchain);
static TString prevFile;
const char *currFile = getCurrentFile();
if (prevFile != currFile) {
cout << "Loaded file: " << currFile << endl;
prevFile = currFile;
}
currentEventEntry++;
processedEvents++;
return (isWithinEventRange && (currentEventEntry <= 0 ||
(evtchain != 0 && evtchain->atEnd() == false)));
// return hasNextInNTuple && isWithinEventRange;
}
bool NTupleEventReader::hasNextEvent() {
if (numberOfFiles == 0)
throw NoFileFoundException("No input file found!");
bool hasNextInNTuple = input->LoadTree(currentEventEntry) >= 0;
bool isWithinEventRange = currentEventEntry < maximalNumberOfEvents || maximalNumberOfEvents <= 0;
return hasNextInNTuple && isWithinEventRange;
}
const char* NTupleEventReader::getCurrentFile() const {
/*
if (input->GetCurrentFile() == 0)
throw NoFileFoundException("Tried to access nonexistent file.");
return input->GetCurrentFile()->GetName();
*/
if (evtchain == 0 || evtchain->getTFile() == 0)
throw NoFileFoundException("Tried to access nonexistent file.");
return evtchain->getTFile()->GetName();
}
bool NTupleEventReader::hasNextEvent() {
if (numberOfFiles == 0)
throw NoFileFoundException("No input file found!");
bool hasNextInNTuple = input->LoadTree(currentEventEntry) >= 0;
static TString prevFile;
const char *currFile = getCurrentFile();
if (prevFile != currFile) {
cout << "Loaded file: " << currFile << endl;
prevFile = currFile;
}
bool isWithinEventRange = currentEventEntry < maximalNumberOfEvents;
return hasNextInNTuple && isWithinEventRange;
}
void NTupleEventReader::addInputFile(const char * fileName) {
unsigned long filesAdded = input->Add(fileName, -1);//-1 == number of events is not read!
if (filesAdded <= 0)
throw NoFileFoundException("No file found in '" + TString(fileName) + "'");
numberOfFiles += filesAdded;
}
const char* NTupleEventReader::getCurrentFile() const {
if (input->GetCurrentFile() == 0)
throw NoFileFoundException("Tried to access non-existent file.");
return input->GetCurrentFile()->GetName();
}
