JSUPPORT Namespace Reference

Support classes and methods for experiment specific I/O. More...

Classes
struct	JAutoTreeScanner
	Auxiliary class to select JTreeScanner based on ROOT class name. More...
class	JAutoTreeWriter
	Auxiliary class to copy input data to corresponding TTree. More...
class	JDAQFileReader
	DAQ object reading from binary file (i.e. More...
class	JDAQFileReader< T, false >
	Template specialisation of JDAQFileReader for DAQ incompatible data types. More...
class	JDAQFileReader< T, true >
	Template specialisation of JDAQFileReader for DAQ compatible data types. More...
class	JDAQFileWriter
	Object(s) writing to binary file (i.e. More...
class	JDAQWriter
	Implementation of object output to binary file for single data type. More...
class	JDAQWriter< JTypeList< JHead_t, JNullType > >
	Terminator class of recursive JDAQWriter class. More...
class	JDAQWriter< JTypeList< JHead_t, JTail_t > >
	Implementation of object output to binary file for multiple data types. More...
class	JDAQWriterObjectOutput
	Auxiliary class for DAQ object writing to binary stream. More...
class	JDAQWriterObjectOutput< T, false >
	Implementation of object output for DAQ incompatible data types. More...
class	JDAQWriterObjectOutput< T, true >
	Implementation of object output for DAQ compatible data types. More...
class	JFileRecorder
	Object writing to file. More...
class	JFileScanner
	Object reading from file. More...
struct	JLimit
	Auxiliary class for defining the range of iterations of objects. More...
struct	JMeta
	Auxiliary class for ROOT I/O of application specific meta data. More...
struct	JMetaOld_t
	Type definition of old meta data. More...
class	JMonteCarloASCIIFileReader
	Template definition of Monte Carlo object reader for ASCII formatted file (i.e. More...
class	JMonteCarloASCIIFileReader< Evt >
	Template implementation of Monte Carlo object reader for ASCII formatted file (i.e. More...
class	JMonteCarloASCIIFileReader< Head >
	Template implementation of Monte Carlo object reader for ASCII formatted file (i.e. More...
class	JMonteCarloFileReader
	Template definition of Monte Carlo object reader. More...
class	JMonteCarloFileReader< Evt, JFileReader_t >
	Template specialisation of JMonteCarloFileReader for Event. More...
class	JMonteCarloFileReader< Head, JFileReader_t >
	Template specialisation of JMonteCarloFileReader for Head. More...
class	JMonteCarloFileWriter
	Object(s) writing to Monte Carlo ASCII file (i.e .evt) More...
class	JMonteCarloGZFileReader
	Template definition of Monte Carlo object reader for gzipped ASCII formatted file (i.e. More...
class	JMonteCarloGZFileReader< Evt >
	Template implementation of Monte Carlo object reader for gzipped ASCII formatted file (i.e. More...
class	JMonteCarloGZFileReader< Head >
	Template implementation of Monte Carlo object reader for gzipped ASCII formatted file (i.e. More...
class	JMonteCarloStreamObjectOutput
	Template definition of Monte Carlo stream output for single data type. More...
class	JMonteCarloStreamObjectOutput< Evt >
	Template specialisation of JMonteCarloStreamObjectOutput for Evt. More...
class	JMonteCarloStreamObjectOutput< Head >
	Template specialisation of JMonteCarloStreamObjectOutput for Head. More...
class	JMonteCarloStreamObjectOutput< JTypeList< JHead_t, JNullType > >
	Terminator class of recursive JMonteCarloStreamObjectOutput class. More...
class	JMonteCarloStreamObjectOutput< JTypeList< JHead_t, JTail_t > >
	Template specialisation of Monte Carlo stream object output for multiple data types. More...
struct	JMultipleFileSampler
	Auxiliary class to sample from a list of files. More...
class	JMultipleFileScanner
	General purpose class for object reading from a list of file names. More...
class	JMultipleFileScanner< Head >
	Template specialisation of JMultipleFileScanner for Monte Carlo header. More...
class	JMultipleFileScanner< JNullType >
	Template specialisation of JMultipleFileScanner for undefined type. More...
class	JMultipleFileScanner< JTriggerParameters >
	Template specialisation of JMultipleFileScanner for trigger parameters. More...
class	JMultipleFileScanner< JTypeList< JHead_t, JNullType > >
	Terminator class of recursive JMultipleFileScanner class. More...
class	JMultipleFileScanner< JTypeList< JHead_t, JTail_t > >
	Implementation of object reading for multiple data types from a list of file names. More...
struct	JMultipleFileScanner_t
	Auxiliary base class for list of file names. More...
class	JParallelFileScanner
	General purpose class for parallel reading of objects from a single file or multiple files. More...
class	JParallelFileScanner< JTypeList< JHead_t, JNullType >, JFileScanner_t >
	Terminator class of recursive JParallelFileScanner class. More...
class	JParallelFileScanner< JTypeList< JHead_t, JTail_t >, JFileScanner_t >
	Template specialisation of JParallelFileScanner for multiple data types. More...
struct	JRandomSampler
	Template class for randomly sampling from a JRewindableObjectIterator. More...
class	JSingleFileScanner
	Object reading from a list of files. More...
class	JSingleFileScanner< JNullType >
	Template specialisation of JSingleFileScanner for undefined type. More...
class	JSingleFileScanner< JTypeList< JHead_t, JNullType > >
	Terminator class of recursive JSingleFileScanner class. More...
class	JSingleFileScanner< JTypeList< JHead_t, JTail_t > >
	Template specialisation of JSingleFileScanner for single data types. More...
struct	JSingleFileScanner_t
	Auxiliary base class for file name. More...
class	JSummaryFileRouter
	File router for fast addressing of summary data. More...
class	JTreeRecorder
	ROOT TTree object output. More...
struct	JTreeScanner
	Template definition for direct access of elements in ROOT TChain. More...
class	JTreeScanner< JAssertConversion< JDerived_t, JBase_t >, JEvaluator_t >
	Specialiation of class JTreeScanner for ordered direct access of elements in ROOT TChain. More...
class	JTreeScanner< JAssertConversion< JDerived_t, JBase_t >, JNullType >
	Specialiation of class JTreeScanner for unordered direct access of elements in ROOT TChain. More...
struct	JTreeScanner< JClass_t, JNullType >
	Specialiation of class JTreeScanner for unordered direct access of elements in ROOT TChain. More...
struct	JTreeScanner< JNullType, JNullType >
	Auxiliary base class for reporting messages. More...
class	JTreeScanner_t
	Base class for JTreeScanner. More...
struct	JTreeScannerInterface
	Auxiliary interface for direct access of elements in ROOT TChain. More...
struct	JTreeScannerInterface< JClass_t, JNullType >
	Specialiation of interface JTreeScannerInterface for unordered direct access of elements in ROOT TChain. More...
struct	JTriggeredFileScanner
	Auxiliary class to synchronously read DAQ events and Monte Carlo events (and optionally other events). More...

Typedefs
typedef JLimit	JLimit_t
	Type definition of limit. More...
typedef JTOOLS::JRange< int >	JFrameIndexRange
	Type definition for frame index range. More...
typedef JTOOLS::JRange< JDAQUTCExtended >	JDAQUTCTimeRange
	Type definition for DAQ UTC time range. More...

Functions
bool	isROOTFile (const char *file_name)
	Check file format. More...
bool	isDAQFile (const char *file_name)
	Check file format. More...
bool	isMonteCarloFile (const char *file_name)
	Check file format. More...
bool	isGzipFile (const char *file_name)
	Check file format. More...
const char *	getName (const JType< JMeta > &type)
	Get ROOT name of given data type. More...
int	getNumberOfCycles (TFile *file, const TString key)
	Get number of cycles of named objects with same title as given key. More...
void	getObject (TFile *file, const char *key, JMeta *&ps)
	Read object from ROOT file. More...
bool	putMeta (TDirectory *dir, const std::string key, const std::string buffer)
	Write meta data as ROOT TNamed object. More...
bool	putObject (TDirectory *dir, const JMeta &meta)
	Write meta data to ROOT directory. More...
const char *	getName (const JType< JMetaOld_t > &type)
	Get ROOT name of given data type. More...
void	getObject (TFile *file, const char *key, JMetaOld_t *&ps)
	Read object from ROOT file. More...
bool	putObject (TDirectory *dir, const JMetaOld_t &meta)
	Write meta data to ROOT directory. More...
Head	getHeader (const JMultipleFileScanner_t &file_list)
	Get Monte Carlo header. More...
JMultipleFileScanner_t	getAAnetFiles (const JMultipleFileScanner_t &input, const JHead &header, const bool option=false)
	Get list of files compatible with geven header. More...
double	getTimeDuration (const JDAQUTCTimeRange &utc)
	Get time duration of given UTC time range. More...
template<class T >
JFrameIndexRange	getFrameIndexRange (JTreeScanner< T, KM3NETDAQ::JDAQEvaluator > &in)
	Get range of frame indices. More...
template<class T >
JFrameIndexRange	getFrameIndexRange (const std::string &file_name)
	Get range of frame indices for given file name of data taking run. More...
template<class T >
JDAQUTCTimeRange	getUTCTimeRange (JTreeScanner< T, KM3NETDAQ::JDAQEvaluator > &in)
	Get UTC time range. More...
template<class T >
JDAQUTCTimeRange	getUTCTimeRange (const std::string &file_name)
	Get UTC time range for given file name of data taking run. More...
template<class T >
JDAQUTCTimeRange	getUTCTimeRange (T __begin, T __end)
	Get UTC time range for given file name of data taking run. More...
double	getLivetime (const std::string &file_name)
	Get data taking live time. More...
template<class T >
double	getLivetime (T __begin, T __end)
	Get data taking live time. More...
JTriggerParameters	getTriggerParameters (const JMultipleFileScanner_t &file_list)
	Get trigger parameters. More...

Variables
static const char *const	ROOT_FILE_FORMAT = "root"
	ROOT file name extension. More...
static const char *const	DAQ_FILE_FORMAT = "dat"
	DAQ binary file name extension. More...
static const char *const	MONTE_CARLO_FILE_FORMAT = "evt"
	ASCII file name extension. More...
static const char *const	GZIP_FILE_FORMAT = "gz"
	gzip file name extension More...
static const char *const	META_NAME = "JMeta"
	ROOT name for meta data. More...
static const char *const	META_DIRECTORY = "META"
	ROOT sub-directory for meta data. More...
static const char *const	application_t = "application"
	Definition of meta data parameters. More...
static const char *const	SVNrelease_t = "SVN"
	SVN release. More...
static const char *const	GITrelease_t = "GIT"
	GIT release. More...
static const char *const	ROOTrelease_t = "ROOT"
	ROOT release. More...
static const char *const	namespace_t = "namespace"
	name space More...
static const char *const	command_t = "command"
	Linux command. More...
static const char *const	system_t = "system"
	system information More...
static const char *const	BRANCH_PATTERN = "vector"
	Pattern match for names of sub-branches that will not be read when ordering elements in a TTree. More...

Detailed Description

Support classes and methods for experiment specific I/O.

Author

mdejong

Typedef Documentation

JLimit_t

typedef JLimit JSUPPORT::JLimit_t

Type definition of limit.

Definition at line 215 of file JLimit.hh.

JFrameIndexRange

typedef JTOOLS::JRange<int> JSUPPORT::JFrameIndexRange

Type definition for frame index range.

Definition at line 36 of file JSupportToolkit.hh.

JDAQUTCTimeRange

typedef JTOOLS::JRange<JDAQUTCExtended> JSUPPORT::JDAQUTCTimeRange

Type definition for DAQ UTC time range.

Definition at line 41 of file JSupportToolkit.hh.

Function Documentation

isROOTFile()

bool JSUPPORT::isROOTFile ( const char *  file_name )

inline

Check file format.

Returns

true if ROOT format; else false

Definition at line 32 of file JFilenameSupportkit.hh.

  {
    return getFilenameExtension(file_name) == ROOT_FILE_FORMAT;
  }

isDAQFile()

bool JSUPPORT::isDAQFile ( const char *  file_name )

inline

Check file format.

Returns

true if DAQ format; else false

Definition at line 43 of file JFilenameSupportkit.hh.

  {
    return getFilenameExtension(file_name) == DAQ_FILE_FORMAT;
  }

isMonteCarloFile()

bool JSUPPORT::isMonteCarloFile ( const char *  file_name )

inline

Check file format.

Returns

true if MONTE CARLO format; else false

Definition at line 54 of file JFilenameSupportkit.hh.

  {
    return getFilenameExtension(file_name) == MONTE_CARLO_FILE_FORMAT;
  }

isGzipFile()

bool JSUPPORT::isGzipFile ( const char *  file_name )

inline

Check file format.

Returns

true if gzip format; else false

Definition at line 65 of file JFilenameSupportkit.hh.

  {
    return getFilenameExtension(file_name) == GZIP_FILE_FORMAT;
  }

getName() [1/2]

const char* JSUPPORT::getName ( const JType< JMeta > &  type )

inline

Get ROOT name of given data type.

Parameters

type	JMeta type

Returns

name of object to be read

Definition at line 237 of file JMeta.hh.

  { 
    return META_NAME;
  }

getNumberOfCycles()

int JSUPPORT::getNumberOfCycles ( TFile *  file, const TString  key  )

inline

Get number of cycles of named objects with same title as given key.

Parameters

file	pointer to file
key	ROOT key (including possible directory)

Returns

number of cycles

Definition at line 250 of file JMeta.hh.

  {
    using namespace std;
 
    int counter = 0;
 
    if (file != NULL) {
 
      TNamed* __p = NULL;
 
      file->GetObject(key, __p);
 
      if (__p != NULL) {
 
        ++counter;
 
        const TString title = __p->GetTitle();
 
        string buffer(key);
 
        const string::size_type pos = buffer.find(';');
 
        if (pos != string::npos) {
        
          int cycle = -1;
 
          istringstream(buffer.substr(pos + 1)) >> cycle;
 
          buffer = buffer.substr(0, pos);
          
          for (int i = 1; i < cycle; ++i) {
            
            file->GetObject(MAKE_CSTRING(buffer << ';' << i), __p);
            
            if (__p != NULL && __p->GetTitle() == title) {
              ++counter;
            }
          }
        }
      }
    }
 
    return counter;
  }

getObject() [1/2]

void JSUPPORT::getObject ( TFile *  file, const char *  key, JMeta *&  ps  )

inline

Read object from ROOT file.

Parameters

file	pointer to file
key	key of object to be read
ps	pointer to object

Definition at line 303 of file JMeta.hh.

  {
    using namespace std;
    using namespace JPP;
 
    if (ps != NULL) {
 
      delete ps;
 
      ps = NULL;
    }
 
    if (file != NULL) {
 
      const int number_of_cycles = getNumberOfCycles(file, MAKE_CSTRING(META_DIRECTORY << '/' << key));
 
      if (number_of_cycles != 0) {
 
        TNamed* __p = NULL;
 
        file->GetObject(MAKE_CSTRING(META_DIRECTORY << '/' << key), __p);
 
        ps = new JMeta();
 
        (*ps)[application_t] = __p->GetTitle();
          
        file->GetObject(MAKE_CSTRING(META_DIRECTORY << '/' << (*ps)[application_t] << ';' << number_of_cycles), __p);
 
        if (__p != NULL) {
          *ps = JMeta::valueOf(__p->GetTitle());
        }
      }
    }
  }

putMeta()

bool JSUPPORT::putMeta ( TDirectory *  dir, const std::string  key, const std::string  buffer  )

inline

Write meta data as ROOT TNamed object.

Parameters

dir	pointer to directory
key	ROOT key
buffer	user data

Returns

true if OK; else false

Definition at line 347 of file JMeta.hh.

  {
    static TNamed object;
 
    if (dir != NULL) {
 
      if (dir->GetListOfKeys()->FindObject(META_DIRECTORY) == NULL) {
        dir->mkdir(META_DIRECTORY);
      }
 
      dir = dir->GetDirectory(META_DIRECTORY);
 
      object.SetName (key.c_str());       // ROOT key
      object.SetTitle(buffer.c_str());    // user data
 
      return (dir->WriteTObject(&object) > 0);
    }
 
    return false;
  }

putObject() [1/2]

bool JSUPPORT::putObject ( TDirectory *  dir, const JMeta &  meta  )

inline

Write meta data to ROOT directory.

Parameters

dir	pointer to directory
meta	meta data

Returns

true if OK; else false

Definition at line 376 of file JMeta.hh.

  {
    JMeta::const_iterator p = meta.find(application_t);
 
    if (p != meta.end()) { 
      if (putMeta(dir, getName(JType<JMeta>()), p->second)) {
        return putMeta(dir, p->second, meta.toString());
      }
    }
 
    return false;
  }

getName() [2/2]

const char* JSUPPORT::getName ( const JType< JMetaOld_t > &  type )

inline

Get ROOT name of given data type.

Parameters

type	JMetaOld_t type

Returns

name of object to be read

Definition at line 423 of file JMeta.hh.

  { 
    return META_NAME;
  }

getObject() [2/2]

void JSUPPORT::getObject ( TFile *  file, const char *  key, JMetaOld_t *&  ps  )

inline

Read object from ROOT file.

Parameters

file	pointer to file
key	key of object to be read
ps	pointer to object

< application name

< SVN release

< ROOT release

< name space

< Linux command

< system information

< number of items

Definition at line 436 of file JMeta.hh.

  {
    enum JParameter_t {
      JApplication_t = 0,            //!< application name 
      JSVNRelease_t,                 //!< SVN  release 
      JROOTRelease_t,                //!< ROOT release 
      JNamespace_t,                  //!< name space 
      JCommand_t,                    //!< Linux command 
      JSystem_t,                     //!< system information 
      number_of_items                //!< number of items
    };
 
    const char* buffer[number_of_items] = {
      application_t,
      SVNrelease_t,
      ROOTrelease_t,
      namespace_t,
      command_t,
      system_t
    };
 
    if (ps != NULL) {
 
      delete ps;
 
      ps = NULL;
    }
 
    if (file != NULL) {
 
      const int number_of_cycles = getNumberOfCycles(file, key);
 
      if (number_of_cycles != 0) {
 
        TNamed* __p = NULL;
 
        file->GetObject(key, __p);
        
        ps = new JMetaOld_t();
        
        (*ps)[application_t] = __p->GetTitle();
 
        for (int i = 1; i != number_of_items; ++i) {
 
          file->GetObject(MAKE_CSTRING((*ps)[application_t] << ';' << ((number_of_cycles - 1) * (number_of_items - 1) + i)), __p);
          
          if (__p != NULL)
            (*ps)[buffer[i]] = __p->GetTitle();
          else
            break;
        }
      }
    }
  }

putObject() [2/2]

bool JSUPPORT::putObject ( TDirectory *  dir, const JMetaOld_t &  meta  )

inline

Write meta data to ROOT directory.

Parameters

dir	pointer to directory
meta	meta data

Returns

true if OK; else false

Definition at line 499 of file JMeta.hh.

  {
    return putObject(dir, static_cast<const JMeta&>(meta));
  }

getHeader()

Head JSUPPORT::getHeader ( const JMultipleFileScanner_t &  file_list )

inline

Get Monte Carlo header.

Parameters

file_list

file list

Returns

Monte Carlo header

Definition at line 425 of file JMonteCarloFileSupportkit.hh.

  {
    return JMultipleFileScanner<Head>(file_list).getHeader();
  }

getAAnetFiles()

JMultipleFileScanner_t JSUPPORT::getAAnetFiles	(	const JMultipleFileScanner_t &	input,
		const JHead &	header,
		const bool	option = false
	)

Get list of files compatible with geven header.

Note that the option corresponds to that of method JHead::match.

Parameters

input	file list
header	header
option	option

Returns

file list

Definition at line 441 of file JMonteCarloFileSupportkit.hh.

  {
    using namespace JPP;
    
    JMultipleFileScanner_t result;
 
    for (JMultipleFileScanner_t::const_iterator i = input.begin(); i != input.end(); ++i) {
      try {
        if (JHead(getHeader(*i)).match(header, option)) {
          result.push_back(*i);
        }
      }
      catch(std::exception&) {}
    }
 
    return result;
  }

getTimeDuration()

double JSUPPORT::getTimeDuration ( const JDAQUTCTimeRange &  utc )

inline

Get time duration of given UTC time range.

Parameters

utc	UTC time range

Returns

time duration [s]

Definition at line 50 of file JSupportToolkit.hh.

  {
    if (utc.is_valid())
      return (utc.getUpperLimit().getTimeNanoSecond() - 
              utc.getLowerLimit().getTimeNanoSecond()) * 1.0e-9;
    else
      return 0.0;
  }

getFrameIndexRange() [1/2]

template<class T >

JFrameIndexRange JSUPPORT::getFrameIndexRange ( JTreeScanner< T, KM3NETDAQ::JDAQEvaluator > &  in )

inline

Get range of frame indices.

Parameters

in	TTree scanner

Returns

frame index range

Definition at line 67 of file JSupportToolkit.hh.

  {
    if (!in.empty())
      return JFrameIndexRange(in.begin()->getFrameIndex(), in.rbegin()->getFrameIndex());
    else
      return JFrameIndexRange(0,0);
  }

getFrameIndexRange() [2/2]

template<class T >

JFrameIndexRange JSUPPORT::getFrameIndexRange ( const std::string &  file_name )

inline

Get range of frame indices for given file name of data taking run.

Parameters

file_name

file name

Returns

frame index range

Definition at line 83 of file JSupportToolkit.hh.

  {
    JFrameIndexRange result(JFrameIndexRange::DEFAULT_RANGE);
 
    TDirectory*& dir = TDirectory::CurrentDirectory();
      
    if (isROOTFile(file_name.c_str())) {
 
      JTreeScanner<T, KM3NETDAQ::JDAQEvaluator> in(file_name);
 
      return getFrameIndexRange(in);
 
    } else {
 
      JFileScanner<T> in(file_name.c_str());
 
      while (in.hasNext()) {
        result.include(in.next()->getFrameIndex());
      }
    }
 
    if (dir != NULL) {
      dir->cd();        // restore current working directory
    }
      
    return result;
  }

getUTCTimeRange() [1/3]

template<class T >

JDAQUTCTimeRange JSUPPORT::getUTCTimeRange ( JTreeScanner< T, KM3NETDAQ::JDAQEvaluator > &  in )

inline

Get UTC time range.

Parameters

in	TTree scanner

Returns

UTC time range

Definition at line 119 of file JSupportToolkit.hh.

  {
    if (!in.empty())
      return JDAQUTCTimeRange(in.begin()->getTimesliceStart(), in.rbegin()->getTimesliceStart());
    else
      return JDAQUTCTimeRange(JDAQUTCExtended(), JDAQUTCExtended());
  }

getUTCTimeRange() [2/3]

template<class T >

JDAQUTCTimeRange JSUPPORT::getUTCTimeRange ( const std::string &  file_name )

inline

Get UTC time range for given file name of data taking run.

Parameters

file_name

file name

Returns

UTC time range

Definition at line 135 of file JSupportToolkit.hh.

  {
    JDAQUTCTimeRange result(JDAQUTCTimeRange::DEFAULT_RANGE);
 
    TDirectory*& dir = TDirectory::CurrentDirectory();
 
    if (isROOTFile(file_name.c_str())) {
 
      JTreeScanner<T, KM3NETDAQ::JDAQEvaluator> in(file_name);
 
      result = getUTCTimeRange(in);
 
    } else {
 
      for (JFileScanner<T> in(file_name.c_str()); in.hasNext(); ) {
        result.include(in.next()->getTimesliceStart());
      }
    }
      
    if (dir != NULL) {
      dir->cd();        // restore current working directory
    }
      
    return result;
  }

getUTCTimeRange() [3/3]

template<class T >

JDAQUTCTimeRange JSUPPORT::getUTCTimeRange ( T  __begin, T  __end  )

inline

Get UTC time range for given file name of data taking run.

Get data taking live time.

Parameters

__begin	begin of file list
__end	end of file list

Returns

UTC time range

Definition at line 171 of file JSupportToolkit.hh.

  {
    JDAQUTCTimeRange result(JDAQUTCTimeRange::DEFAULT_RANGE);
 
    for (T i = __begin; i != __end; ++i) {
      result.combine(getUTCTimeRange<KM3NETDAQ::JDAQSummaryslice>(*i));
    }
 
    return result;
  }

getLivetime() [1/2]

double JSUPPORT::getLivetime ( const std::string &  file_name )

inline

Get data taking live time.

Parameters

file_name

file name

Returns

live time [s]

Definition at line 189 of file JSupportToolkit.hh.

  {
    using namespace KM3NETDAQ;
    using namespace JTRIGGER;
    
    TDirectory*& dir = TDirectory::CurrentDirectory();
 
    double livetime = 0.0;
    
    const JTriggerParameters parameters = getTriggerParameters(file_name);
    
    if (parameters.writeSummary.prescale != 0) {
 
      JTreeScanner<JDAQSummaryslice> in(file_name);
 
      livetime = in.getEntries() * getFrameTime() * 1.0e-9 / parameters.writeSummary.prescale;
    }
      
    if (dir != NULL) {
      dir->cd();        // restore current working directory
    }
 
    return livetime;
  }

getLivetime() [2/2]

template<class T >

double JSUPPORT::getLivetime ( T  __begin, T  __end  )

inline

Get data taking live time.

Parameters

__begin	begin of file list
__end	end of file list

Returns

live time [s]

Definition at line 223 of file JSupportToolkit.hh.

  {
    double livetime = 0.0;
 
    for (T i = __begin; i != __end; ++i) {
      livetime += getLivetime(*i);
    }
 
    return livetime;
  }

getTriggerParameters()

JTriggerParameters JSUPPORT::getTriggerParameters ( const JMultipleFileScanner_t &  file_list )

inline

Get trigger parameters.

Parameters

file_list

file list

Returns

trigger parameters

Definition at line 148 of file JTriggerParametersSupportkit.hh.

  {
    return JMultipleFileScanner<JTriggerParameters>(file_list).getTriggerParameters();
  }

Variable Documentation

ROOT_FILE_FORMAT

const char* const JSUPPORT::ROOT_FILE_FORMAT = "root"

static

ROOT file name extension.

Definition at line 21 of file JFilenameSupportkit.hh.

DAQ_FILE_FORMAT

const char* const JSUPPORT::DAQ_FILE_FORMAT = "dat"

static

DAQ binary file name extension.

Definition at line 22 of file JFilenameSupportkit.hh.

MONTE_CARLO_FILE_FORMAT

const char* const JSUPPORT::MONTE_CARLO_FILE_FORMAT = "evt"

static

ASCII file name extension.

Definition at line 23 of file JFilenameSupportkit.hh.

GZIP_FILE_FORMAT

const char* const JSUPPORT::GZIP_FILE_FORMAT = "gz"

static

gzip file name extension

Definition at line 24 of file JFilenameSupportkit.hh.

META_NAME

const char* const JSUPPORT::META_NAME = "JMeta"

static

ROOT name for meta data.

Definition at line 47 of file JMeta.hh.

META_DIRECTORY

const char* const JSUPPORT::META_DIRECTORY = "META"

static

ROOT sub-directory for meta data.

Definition at line 53 of file JMeta.hh.

application_t

const char* const JSUPPORT::application_t = "application"

static

Definition of meta data parameters.

application name

Definition at line 59 of file JMeta.hh.

SVNrelease_t

const char* const JSUPPORT::SVNrelease_t = "SVN"

static

SVN release.

Definition at line 60 of file JMeta.hh.

GITrelease_t

const char* const JSUPPORT::GITrelease_t = "GIT"

static

GIT release.

Definition at line 61 of file JMeta.hh.

ROOTrelease_t

const char* const JSUPPORT::ROOTrelease_t = "ROOT"

static

ROOT release.

Definition at line 62 of file JMeta.hh.

namespace_t

const char* const JSUPPORT::namespace_t = "namespace"

static

name space

Definition at line 63 of file JMeta.hh.

command_t

const char* const JSUPPORT::command_t = "command"

static

Linux command.

Definition at line 64 of file JMeta.hh.

system_t

const char* const JSUPPORT::system_t = "system"

static

system information

Definition at line 65 of file JMeta.hh.

BRANCH_PATTERN

const char* const JSUPPORT::BRANCH_PATTERN = "vector"

static

Pattern match for names of sub-branches that will not be read when ordering elements in a TTree.

Definition at line 42 of file JTreeScanner.hh.