framework/fun4allraw/Fun4AllRolloverFileOutStream.h

0001 // Tell emacs that this is a C++ source
0002 //  -*- C++ -*-.
0003 #ifndef FUN4ALLRAW_FUN4ALLROLLOVERFILEOUTSTREAM_H
0004 #define FUN4ALLRAW_FUN4ALLROLLOVERFILEOUTSTREAM_H
0005
0006 #include "Fun4AllFileOutStream.h"
0007
0008 #include <iostream>  // for cout, ostream
0009 #include <string>    // for string
0010
0011 class Event;
0012
0013 class Fun4AllRolloverFileOutStream : public Fun4AllFileOutStream
0014 {
0015  public:
0016   Fun4AllRolloverFileOutStream(const std::string &frule = "OUTDATA-%010d-%04d.PRDFF",
0017                                const unsigned int nEvents = 0,
0018                                const unsigned int sizeInMB = 0,
0019                                const int offset = 0,
0020                                const int increment = 1,
0021                                const std::string &name = "Fun4AllRolloverFileOutStream");
0022
0023   ~Fun4AllRolloverFileOutStream() override = default;
0024   int WriteEventOut(Event *evt) override;
0025   void identify(std::ostream &os = std::cout) const override;
0026
0027  private:
0028   void open_new_file();
0029   uint64_t m_MaxFileFize{0};
0030   unsigned int m_MaxNEvents{0};
0031   int m_CurrentSequence{0};
0032   int m_Offset{0};
0033   int m_Increment{1};
0034 };
0035
0036 #endif /* FUN4ALLRAW_FUN4ALLROLLOVERFILEOUTSTREAM_H */