The Gaudi Framework  master (d98a2936)
EventIDBase Class Reference

This class provides a unique identification for each event, in terms of run/event number and/or a time stamp. More...

#include </builds/gaudi/Gaudi/GaudiKernel/include/GaudiKernel/EventIDBase.h>

Public Types

typedef unsigned int number_type
 
typedef uint64_t event_number_t
 

Static Public Attributes

static const number_type UNDEFNUM = std::numeric_limits<EventIDBase::number_type>::max()
 
static const event_number_t UNDEFEVT = std::numeric_limits<EventIDBase::event_number_t>::max()
 

Friends

class EventIDRange
 

structors

enum  Type {
  Invalid = 0, RunEvent = 1 << 1, TimeStamp = 1 << 2, LumiEvent = 1 << 3,
  RunLumi = 1 << 4
}
 
bool operator== (const EventIDBase &lhs, const EventIDBase &rhs)
 Comparison operators. More...
 
bool operator< (const EventIDBase &lhs, const EventIDBase &rhs)
 
bool operator> (const EventIDBase &lhs, const EventIDBase &rhs)
 
bool operator!= (const EventIDBase &lhs, const EventIDBase &rhs)
 
bool operator<= (const EventIDBase &lhs, const EventIDBase &rhs)
 
bool operator>= (const EventIDBase &lhs, const EventIDBase &rhs)
 
EventIDBase min (const EventIDBase &lhs, const EventIDBase &rhs)
 
EventIDBase max (const EventIDBase &lhs, const EventIDBase &rhs)
 
std::ostream & operator<< (std::ostream &os, const EventIDBase &rhs)
 Extraction operators. More...
 
EventIDBase min (const EventIDBase &lhs, const EventIDBase &rhs)
 
EventIDBase max (const EventIDBase &lhs, const EventIDBase &rhs)
 
bool operator< (const EventIDBase &lhs, const EventIDBase &rhs)
 
bool operator== (const EventIDBase &lhs, const EventIDBase &rhs)
 
std::ostream & operator<< (std::ostream &os, const EventIDBase &rhs)
 
unsigned m_type { Invalid }
 
number_type m_run_number { UNDEFNUM }
 run number More...
 
event_number_t m_event_number { UNDEFEVT }
 event number More...
 
number_type m_time_stamp { UNDEFNUM }
 posix time in seconds since 1970/01/01 More...
 
number_type m_time_stamp_ns_offset { UNDEFNUM }
 time stamp ns - ns time offset for time_stamp, 32 bit unsigned More...
 
number_type m_lumi_block { UNDEFNUM }
 luminosity block number: the number which uniquely tags a luminosity block within a run More...
 
number_type m_bunch_crossing_id { UNDEFNUM }
 bunch crossing ID, 32 bit unsigned More...
 
 EventIDBase ()
 
 EventIDBase (number_type run_number, event_number_t event_number, number_type time_stamp=UNDEFNUM, number_type time_stamp_ns_offset=0, number_type lumi_block=UNDEFNUM, number_type bunch_crossing_id=0)
 
 EventIDBase (std::tuple< number_type, number_type, event_number_t > run_lumi_ev, std::tuple< number_type, number_type > time_stamp, number_type bunch_crossing_id)
 
virtual ~EventIDBase ()=default
 
number_type run_number () const
 run number - 32 bit unsigned More...
 
event_number_t event_number () const
 event number - 64 bit unsigned More...
 
number_type time_stamp () const
 time stamp - posix time in seconds from 1970, 32 bit unsigned More...
 
number_type time_stamp_ns_offset () const
 time stamp ns - ns time offset for time_stamp, 32 bit unsigned More...
 
number_type lumi_block () const
 luminosity block identifier, 32 bit unsigned More...
 
number_type bunch_crossing_id () const
 bunch crossing ID, 32 bit unsigned More...
 
void set_run_number (number_type runNumber)
 set run number More...
 
void set_event_number (event_number_t eventNumber)
 set event number More...
 
void set_time_stamp (number_type timeStamp)
 set time stamp More...
 
void set_time_stamp_ns_offset (number_type timeStampNs)
 set time stamp in ns More...
 
void set_lumi_block (number_type lumiBlock)
 set luminosity block identifier More...
 
void set_bunch_crossing_id (number_type bcid)
 set bunch crossing ID More...
 
bool isRunEvent () const
 
bool isTimeStamp () const
 
bool isLumiEvent () const
 
bool isRunLumi () const
 
bool isValid () const
 
static auto SortByTimeStamp ()
 
static auto SortByRunEvent ()
 
static auto SortByLumiEvent ()
 
static auto SortByRunLumi ()
 
void setRE ()
 
void setTS ()
 
void setLE ()
 
void setRL ()
 

Detailed Description

This class provides a unique identification for each event, in terms of run/event number and/or a time stamp.

Definition at line 65 of file EventIDBase.h.

Member Typedef Documentation

◆ event_number_t

typedef uint64_t EventIDBase::event_number_t

Definition at line 68 of file EventIDBase.h.

◆ number_type

typedef unsigned int EventIDBase::number_type

Definition at line 67 of file EventIDBase.h.

Member Enumeration Documentation

◆ Type

enum EventIDBase::Type
private
Enumerator
Invalid 
RunEvent 
TimeStamp 
LumiEvent 
RunLumi 

Definition at line 182 of file EventIDBase.h.

182 { Invalid = 0, RunEvent = 1 << 1, TimeStamp = 1 << 2, LumiEvent = 1 << 3, RunLumi = 1 << 4 };

Constructor & Destructor Documentation

◆ EventIDBase() [1/3]

EventIDBase::EventIDBase ( )
inline

Definition at line 78 of file EventIDBase.h.

78 {}

◆ EventIDBase() [2/3]

EventIDBase::EventIDBase ( number_type  run_number,
event_number_t  event_number,
number_type  time_stamp = UNDEFNUM,
number_type  time_stamp_ns_offset = 0,
number_type  lumi_block = UNDEFNUM,
number_type  bunch_crossing_id = 0 
)

Definition at line 27 of file EventIDBase.cpp.

◆ EventIDBase() [3/3]

EventIDBase::EventIDBase ( std::tuple< number_type, number_type, event_number_t run_lumi_ev,
std::tuple< number_type, number_type time_stamp,
number_type  bunch_crossing_id 
)

Definition at line 47 of file EventIDBase.cpp.

49  : EventIDBase( std::get<0>( run_lumi_ev ), // run number
50  std::get<2>( run_lumi_ev ), // event number
51  std::get<0>( time_stamp ), // timestamp in seconds
52  std::get<1>( time_stamp ), // nanoseconds offst
53  std::get<1>( run_lumi_ev ), // lumi block

◆ ~EventIDBase()

virtual EventIDBase::~EventIDBase ( )
virtualdefault

Member Function Documentation

◆ bunch_crossing_id()

number_type EventIDBase::bunch_crossing_id ( ) const
inline

bunch crossing ID, 32 bit unsigned

Definition at line 106 of file EventIDBase.h.

106 { return m_bunch_crossing_id; }

◆ event_number()

event_number_t EventIDBase::event_number ( ) const
inline

event number - 64 bit unsigned

Definition at line 94 of file EventIDBase.h.

94 { return m_event_number; }

◆ isLumiEvent()

bool EventIDBase::isLumiEvent ( ) const
inline

Definition at line 154 of file EventIDBase.h.

154 { return m_type & LumiEvent; }

◆ isRunEvent()

bool EventIDBase::isRunEvent ( ) const
inline

Definition at line 152 of file EventIDBase.h.

152 { return m_type & RunEvent; }

◆ isRunLumi()

bool EventIDBase::isRunLumi ( ) const
inline

Definition at line 155 of file EventIDBase.h.

155 { return m_type & RunLumi; }

◆ isTimeStamp()

bool EventIDBase::isTimeStamp ( ) const
inline

Definition at line 153 of file EventIDBase.h.

153 { return m_type & TimeStamp; }

◆ isValid()

bool EventIDBase::isValid ( ) const
inline

Definition at line 156 of file EventIDBase.h.

156 { return m_type != Invalid; }

◆ lumi_block()

number_type EventIDBase::lumi_block ( ) const
inline

luminosity block identifier, 32 bit unsigned

Definition at line 103 of file EventIDBase.h.

103 { return m_lumi_block; }

◆ run_number()

number_type EventIDBase::run_number ( ) const
inline

run number - 32 bit unsigned

Definition at line 91 of file EventIDBase.h.

91 { return m_run_number; }

◆ set_bunch_crossing_id()

void EventIDBase::set_bunch_crossing_id ( number_type  bcid)
inline

set bunch crossing ID

Definition at line 139 of file EventIDBase.h.

139 { m_bunch_crossing_id = bcid; }

◆ set_event_number()

void EventIDBase::set_event_number ( event_number_t  eventNumber)
inline

set event number

Definition at line 116 of file EventIDBase.h.

116  {
117  m_event_number = eventNumber;
118  if ( m_run_number != UNDEFNUM ) setRE();
119  if ( m_lumi_block != UNDEFNUM ) setLE();
120  }

◆ set_lumi_block()

void EventIDBase::set_lumi_block ( number_type  lumiBlock)
inline

set luminosity block identifier

Definition at line 132 of file EventIDBase.h.

132  {
133  m_lumi_block = lumiBlock;
134  if ( m_run_number != UNDEFNUM ) setRL();
135  if ( m_event_number != UNDEFEVT ) setLE();
136  }

◆ set_run_number()

void EventIDBase::set_run_number ( number_type  runNumber)
inline

set run number

Definition at line 109 of file EventIDBase.h.

109  {
110  m_run_number = runNumber;
111  if ( m_event_number != UNDEFEVT ) setRE();
112  if ( m_lumi_block != UNDEFNUM ) setRL();
113  }

◆ set_time_stamp()

void EventIDBase::set_time_stamp ( number_type  timeStamp)
inline

set time stamp

Definition at line 123 of file EventIDBase.h.

123  {
124  m_time_stamp = timeStamp;
125  setTS();
126  }

◆ set_time_stamp_ns_offset()

void EventIDBase::set_time_stamp_ns_offset ( number_type  timeStampNs)
inline

set time stamp in ns

Definition at line 129 of file EventIDBase.h.

129 { m_time_stamp_ns_offset = timeStampNs; }

◆ setLE()

void EventIDBase::setLE ( )
inlineprivate

Definition at line 188 of file EventIDBase.h.

188 { m_type |= LumiEvent; }

◆ setRE()

void EventIDBase::setRE ( )
inlineprivate

Definition at line 186 of file EventIDBase.h.

186 { m_type |= RunEvent; }

◆ setRL()

void EventIDBase::setRL ( )
inlineprivate

Definition at line 189 of file EventIDBase.h.

189 { m_type |= RunLumi; }

◆ setTS()

void EventIDBase::setTS ( )
inlineprivate

Definition at line 187 of file EventIDBase.h.

187 { m_type |= TimeStamp; }

◆ SortByLumiEvent()

static auto EventIDBase::SortByLumiEvent ( )
inlinestatic

Definition at line 171 of file EventIDBase.h.

171  {
173  ::details::make_cmp( []( const EventIDBase& e ) { return std::tie( e.m_lumi_block, e.m_event_number ); } ) );
174  }

◆ SortByRunEvent()

static auto EventIDBase::SortByRunEvent ( )
inlinestatic

Definition at line 166 of file EventIDBase.h.

166  {
168  ::details::make_cmp( []( const EventIDBase& e ) { return std::tie( e.m_run_number, e.m_event_number ); } ) );
169  }

◆ SortByRunLumi()

static auto EventIDBase::SortByRunLumi ( )
inlinestatic

Definition at line 176 of file EventIDBase.h.

176  {
178  ::details::make_cmp( []( const EventIDBase& e ) { return std::tie( e.m_run_number, e.m_lumi_block ); } ) );
179  }

◆ SortByTimeStamp()

static auto EventIDBase::SortByTimeStamp ( )
inlinestatic

Definition at line 161 of file EventIDBase.h.

161  {
163  []( const EventIDBase& e ) { return std::tie( e.m_time_stamp, e.m_time_stamp_ns_offset ); } ) );
164  }

◆ time_stamp()

number_type EventIDBase::time_stamp ( ) const
inline

time stamp - posix time in seconds from 1970, 32 bit unsigned

Definition at line 97 of file EventIDBase.h.

97 { return m_time_stamp; }

◆ time_stamp_ns_offset()

number_type EventIDBase::time_stamp_ns_offset ( ) const
inline

time stamp ns - ns time offset for time_stamp, 32 bit unsigned

Definition at line 100 of file EventIDBase.h.

100 { return m_time_stamp_ns_offset; }

Friends And Related Function Documentation

◆ EventIDRange

friend class EventIDRange
friend

Definition at line 73 of file EventIDBase.h.

◆ max [1/2]

EventIDBase max ( const EventIDBase lhs,
const EventIDBase rhs 
)
friend

◆ max [2/2]

EventIDBase max ( const EventIDBase lhs,
const EventIDBase rhs 
)
friend

Definition at line 223 of file EventIDBase.h.

223  {
224 
225  //"max" is much trickier because we need to handle invalid number explicilty by
226  // checking if a EventIDBase is TS or Run/Lumi
227 
228  std::tuple<EventIDBase::number_type, EventIDBase::number_type, EventIDBase::event_number_t> run_lumi_ev;
229  std::tuple<EventIDBase::number_type, EventIDBase::number_type> time_stamp;
230 
231  if ( lhs.isTimeStamp() && rhs.isTimeStamp() ) { // both time-stamp, compare them
232  time_stamp = std::max( std::tie( lhs.m_time_stamp, lhs.m_time_stamp_ns_offset ),
233  std::tie( rhs.m_time_stamp, rhs.m_time_stamp_ns_offset ) );
234  } else if ( lhs.isTimeStamp() ) { // only lhs time-stamp: Use it
235  time_stamp = std::tie( lhs.m_time_stamp, lhs.m_time_stamp_ns_offset );
236  } else { // otherwise use rhs time-stamp which might be UNDEFNUM (in case both input values are Run-Lumi only)
237  time_stamp = std::tie( rhs.m_time_stamp, rhs.m_time_stamp_ns_offset );
238  }
239 
240  if ( lhs.isRunLumi() && rhs.isRunLumi() ) { // both run-lumi, compare them
241  run_lumi_ev = std::max( std::tie( lhs.m_run_number, lhs.m_lumi_block, lhs.m_event_number ),
242  std::tie( rhs.m_run_number, rhs.m_lumi_block, rhs.m_event_number ) );
243 
244  } else if ( lhs.isRunLumi() ) { // only lhs run-lumi: Use it
245  run_lumi_ev = std::tie( lhs.m_run_number, lhs.m_lumi_block, lhs.m_event_number );
246  } else { // otherwise use rhs run-lumi which might be UNDEFNUM (in case both input values are TS-only)
247  run_lumi_ev = std::tie( rhs.m_run_number, rhs.m_lumi_block, rhs.m_event_number );
248  }
249 
250  return EventIDBase( run_lumi_ev, time_stamp, lhs.bunch_crossing_id() );
251  }

◆ min [1/2]

EventIDBase min ( const EventIDBase lhs,
const EventIDBase rhs 
)
friend

◆ min [2/2]

EventIDBase min ( const EventIDBase lhs,
const EventIDBase rhs 
)
friend

Definition at line 210 of file EventIDBase.h.

210  {
211 
212  //"min" is easy b/c the numbers denoting invalidty for TS or Run/Event/LB are the
213  // largest possible numbers, so naturally larger than any valid number
214 
215  return EventIDBase( std::min( std::tie( lhs.m_run_number, lhs.m_lumi_block, lhs.m_event_number ),
216  std::tie( rhs.m_run_number, rhs.m_lumi_block, rhs.m_event_number ) ),
217  std::min( std::tie( lhs.m_time_stamp, lhs.m_time_stamp_ns_offset ),
218  std::tie( rhs.m_time_stamp, rhs.m_time_stamp_ns_offset ) ),
219  lhs.bunch_crossing_id() // bcid doesn't really matter here
220  );
221  }

◆ operator!=

bool operator!= ( const EventIDBase lhs,
const EventIDBase rhs 
)
friend

Definition at line 145 of file EventIDBase.h.

145 { return !( lhs == rhs ); }

◆ operator< [1/2]

bool operator< ( const EventIDBase lhs,
const EventIDBase rhs 
)
friend

◆ operator< [2/2]

bool operator< ( const EventIDBase lhs,
const EventIDBase rhs 
)
friend

Definition at line 253 of file EventIDBase.h.

253  {
254  // first try ordering by timestamp if both are non-zero
255  // then try ordering by run/lumi/event
256  // this assumes that both EventIDBase have the same set of values defined.
257 
258  if ( lhs.isTimeStamp() && rhs.isTimeStamp() ) {
259  return lhs.m_time_stamp < rhs.m_time_stamp;
260  } else {
261  return std::tie( lhs.m_run_number, lhs.m_lumi_block, lhs.m_event_number ) <
262  std::tie( rhs.m_run_number, rhs.m_lumi_block, rhs.m_event_number );
263  }
264  }

◆ operator<< [1/2]

std::ostream& operator<< ( std::ostream &  os,
const EventIDBase rhs 
)
friend

Extraction operators.

◆ operator<< [2/2]

std::ostream& operator<< ( std::ostream &  os,
const EventIDBase rhs 
)
friend

Definition at line 272 of file EventIDBase.h.

272  {
273  if ( rhs.m_type == EventIDBase::Invalid ) return os << "[INVALID]";
274 
275  const char* separator = "";
276  os << "[";
277  if ( rhs.m_run_number != EventIDBase::UNDEFNUM ) {
278  os << rhs.m_run_number;
279  separator = ",";
280  }
281 
282  if ( rhs.m_event_number != EventIDBase::UNDEFEVT ) {
283  os << separator << rhs.m_event_number;
284  separator = ",";
285  }
286 
287  if ( rhs.isTimeStamp() ) {
288  os << separator << "t:" << rhs.m_time_stamp;
289  if ( rhs.m_time_stamp_ns_offset != 0 ) {
290  os << "." << std::setfill( '0' ) << std::setw( 9 ) << rhs.m_time_stamp_ns_offset;
291  }
292  separator = ",";
293  }
294 
295  if ( rhs.isLumiEvent() || rhs.isRunLumi() ) {
296  os << separator << "l:" << rhs.m_lumi_block;
297  separator = ",";
298  }
299 
300  if ( rhs.m_bunch_crossing_id != 0 ) { os << separator << "b:" << rhs.m_bunch_crossing_id; }
301  os << "]";
302  return os;
303  }

◆ operator<=

bool operator<= ( const EventIDBase lhs,
const EventIDBase rhs 
)
friend

Definition at line 146 of file EventIDBase.h.

146 { return !( lhs > rhs ); }

◆ operator== [1/2]

bool operator== ( const EventIDBase lhs,
const EventIDBase rhs 
)
friend

Comparison operators.

◆ operator== [2/2]

bool operator== ( const EventIDBase lhs,
const EventIDBase rhs 
)
friend

Definition at line 266 of file EventIDBase.h.

266  {
267  // We assume that equality via run/event/lumi numbers is sufficient
268  return ( lhs.m_run_number == rhs.m_run_number && lhs.m_event_number == rhs.m_event_number &&
269  lhs.m_lumi_block == rhs.m_lumi_block );
270  }

◆ operator>

bool operator> ( const EventIDBase lhs,
const EventIDBase rhs 
)
friend

Definition at line 144 of file EventIDBase.h.

144 { return rhs < lhs; }

◆ operator>=

bool operator>= ( const EventIDBase lhs,
const EventIDBase rhs 
)
friend

Definition at line 147 of file EventIDBase.h.

147 { return !( lhs < rhs ); }

Member Data Documentation

◆ m_bunch_crossing_id

number_type EventIDBase::m_bunch_crossing_id { UNDEFNUM }
private

bunch crossing ID, 32 bit unsigned

Definition at line 208 of file EventIDBase.h.

◆ m_event_number

event_number_t EventIDBase::m_event_number { UNDEFEVT }
private

event number

Definition at line 195 of file EventIDBase.h.

◆ m_lumi_block

number_type EventIDBase::m_lumi_block { UNDEFNUM }
private

luminosity block number: the number which uniquely tags a luminosity block within a run

Definition at line 205 of file EventIDBase.h.

◆ m_run_number

number_type EventIDBase::m_run_number { UNDEFNUM }
private

run number

Definition at line 192 of file EventIDBase.h.

◆ m_time_stamp

number_type EventIDBase::m_time_stamp { UNDEFNUM }
private

posix time in seconds since 1970/01/01

Definition at line 198 of file EventIDBase.h.

◆ m_time_stamp_ns_offset

number_type EventIDBase::m_time_stamp_ns_offset { UNDEFNUM }
private

time stamp ns - ns time offset for time_stamp, 32 bit unsigned

Definition at line 201 of file EventIDBase.h.

◆ m_type

unsigned EventIDBase::m_type { Invalid }
private

Definition at line 184 of file EventIDBase.h.

◆ UNDEFEVT

const EventIDBase::event_number_t EventIDBase::UNDEFEVT = std::numeric_limits<EventIDBase::event_number_t>::max()
static

Definition at line 71 of file EventIDBase.h.

◆ UNDEFNUM

const EventIDBase::number_type EventIDBase::UNDEFNUM = std::numeric_limits<EventIDBase::number_type>::max()
static

Definition at line 70 of file EventIDBase.h.


The documentation for this class was generated from the following files:
EventIDBase::m_time_stamp_ns_offset
number_type m_time_stamp_ns_offset
time stamp ns - ns time offset for time_stamp, 32 bit unsigned
Definition: EventIDBase.h:201
EventIDBase::m_run_number
number_type m_run_number
run number
Definition: EventIDBase.h:192
EventIDBase::lumi_block
number_type lumi_block() const
luminosity block identifier, 32 bit unsigned
Definition: EventIDBase.h:103
EventIDBase::m_bunch_crossing_id
number_type m_bunch_crossing_id
bunch crossing ID, 32 bit unsigned
Definition: EventIDBase.h:208
EventIDBase::setLE
void setLE()
Definition: EventIDBase.h:188
EventIDBase::EventIDBase
EventIDBase()
Definition: EventIDBase.h:78
EventIDBase::RunLumi
@ RunLumi
Definition: EventIDBase.h:182
EventIDBase::bunch_crossing_id
number_type bunch_crossing_id() const
bunch crossing ID, 32 bit unsigned
Definition: EventIDBase.h:106
EventIDBase::UNDEFEVT
static const event_number_t UNDEFEVT
Definition: EventIDBase.h:71
details::add_deref
auto add_deref(Fun f)
Definition: EventIDBase.h:45
EventIDBase::UNDEFNUM
static const number_type UNDEFNUM
Definition: EventIDBase.h:70
EventIDBase::m_lumi_block
number_type m_lumi_block
luminosity block number: the number which uniquely tags a luminosity block within a run
Definition: EventIDBase.h:205
EventIDBase::m_event_number
event_number_t m_event_number
event number
Definition: EventIDBase.h:195
EventIDBase::RunEvent
@ RunEvent
Definition: EventIDBase.h:182
EventIDBase::LumiEvent
@ LumiEvent
Definition: EventIDBase.h:182
EventIDBase::isLumiEvent
bool isLumiEvent() const
Definition: EventIDBase.h:154
details::make_cmp
auto make_cmp(Proj p, Cmp cmp={})
Definition: EventIDBase.h:50
EventIDBase::TimeStamp
@ TimeStamp
Definition: EventIDBase.h:182
EventIDBase::setRL
void setRL()
Definition: EventIDBase.h:189
EventIDBase::Invalid
@ Invalid
Definition: EventIDBase.h:182
EventIDBase::isTimeStamp
bool isTimeStamp() const
Definition: EventIDBase.h:153
EventIDBase::time_stamp
number_type time_stamp() const
time stamp - posix time in seconds from 1970, 32 bit unsigned
Definition: EventIDBase.h:97
EventIDBase::run_number
number_type run_number() const
run number - 32 bit unsigned
Definition: EventIDBase.h:91
EventIDBase::isRunLumi
bool isRunLumi() const
Definition: EventIDBase.h:155
EventIDBase::setRE
void setRE()
Definition: EventIDBase.h:186
EventIDBase
This class provides a unique identification for each event, in terms of run/event number and/or a tim...
Definition: EventIDBase.h:65
EventIDBase::time_stamp_ns_offset
number_type time_stamp_ns_offset() const
time stamp ns - ns time offset for time_stamp, 32 bit unsigned
Definition: EventIDBase.h:100
EventIDBase::setTS
void setTS()
Definition: EventIDBase.h:187
EventIDBase::event_number
event_number_t event_number() const
event number - 64 bit unsigned
Definition: EventIDBase.h:94
EventIDBase::m_type
unsigned m_type
Definition: EventIDBase.h:184
EventIDBase::m_time_stamp
number_type m_time_stamp
posix time in seconds since 1970/01/01
Definition: EventIDBase.h:198