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JPrintTreeScanner.cc File Reference

Program to test ordered reading using JSUPPORT::JTreeScanner. More...

#include <string>
#include <iostream>
#include <iomanip>
#include <limits>
#include "JDAQ/JDAQTimesliceIO.hh"
#include "JDAQ/JDAQEvaluator.hh"
#include "JROOT/JROOTClassSelector.hh"
#include "JSupport/JTreeScanner.hh"
#include "JSupport/JSupport.hh"
#include "JSupport/JAutoTreeScanner.hh"
#include "Jeep/JTimer.hh"
#include "Jeep/JParser.hh"
#include "Jeep/JMessage.hh"

Go to the source code of this file.

Functions

int main (int argc, char **argv)
 

Detailed Description

Program to test ordered reading using JSUPPORT::JTreeScanner.

Author
mdejong

Definition in file JPrintTreeScanner.cc.

Function Documentation

int main ( int  argc,
char **  argv 
)

Definition at line 26 of file JPrintTreeScanner.cc.

27 {
28  using namespace std;
29  using namespace JPP;
30  using namespace KM3NETDAQ;
31 
32  JMultipleFileScanner<> inputFile;
33  JROOTClassSelector selector;
34  JLimit numberOfEvents;
35  int debug;
36 
37  try {
38 
39  JParser<> zap("Program to test ordered reading from a ROOT TTree.");
40 
41  zap['f'] = make_field(inputFile);
42  zap['C'] = make_field(selector) = getROOTClassSelection<JDAQTimesliceTypes_t>();
43  zap['n'] = make_field(numberOfEvents) = JLimit();
44  zap['d'] = make_field(debug) = 2;
45 
46  zap(argc, argv);
47  }
48  catch(const exception& error) {
49  FATAL(error.what() << endl);
50  }
51 
52 
54 
56 
57  JTreeScannerInterface<JDAQTimeslice>* ps = zmap[selector];
58 
59  JTimer timer;
60 
61  timer.start();
62 
63  ps->configure(inputFile, numberOfEvents);
64 
65  timer.stop();
66 
67  timer.print(cout, milli_t);
68 
69  while (ps->hasNext()) {
70 
71  JDAQTimeslice* p = ps->next();
72 
73  cout << *p << endl;
74  }
75 }
Utility class to parse command line options.
Definition: JParser.hh:1500
Auxiliary class to select ROOT class based on class name.
Auxiliary class for a type holder.
Definition: JType.hh:19
Template definition for direct access of elements in ROOT TChain.
Definition: JTreeScanner.hh:91
Auxiliary interface for direct access of elements in ROOT TChain.
Auxiliary class for defining the range of iterations of objects.
Definition: JLimit.hh:41
milli
Definition: JScale.hh:30
#define make_field(A,...)
macro to convert parameter to JParserTemplateElement object
Definition: JParser.hh:1961
Auxiliary class for CPU timing and usage.
Definition: JTimer.hh:32
Data time slice.
int debug
debug level
Definition: JSirene.cc:63
Auxiliary class to select JTreeScanner based on ROOT class name.
#define FATAL(A)
Definition: JMessage.hh:67
void start()
Start timer.
Definition: JTimer.hh:89