Detailed Description

The ComposeTimestampOperator composes and outputs timestamp from date and time basic parts.

Arguments

When operator is used inside a signal its default input is automatically tied to signal's InternalValue or previous operator's output. Its default output is automatically tied to next operator's input or to signal's Value. See also CDP Operator Usage In CDP Signals.

Actual Processing Code of the ComposeTimestampOperator

unsigned int ComposeTimestampOperator<double>::Process()
{
  if (!m_utc || !m_sec || !m_min || !m_hour || !m_day || !m_mon || !m_year )
    return STATUS_ERROR;

  tm t_tm;
  memset(&t_tm, 0, sizeof(struct tm));
  double seconds = (double)*m_sec;
  t_tm.tm_sec = floor(seconds);
  t_tm.tm_min = (unsigned short)*m_min;
  t_tm.tm_hour = (unsigned short)*m_hour;
  t_tm.tm_mday = (unsigned short)*m_day;
  t_tm.tm_mon = (unsigned short)*m_mon - 1;
  t_tm.tm_year = (unsigned short)*m_year - 1900;

  double timeStamp;
  if ((bool)*m_utc)
    timeStamp = OSAPIMKGMTime(&t_tm);
  else
    timeStamp = OSAPIMKTime(&t_tm);

  m_output = timeStamp + (seconds - t_tm.tm_sec);

  return STATUS_OK;
}