Method Detail

• add

  void add(double totalValue,
           long eventCount,
           double totalEventTime,
           long period)

  Called to add rate statistics for a period.

  Parameters:

  totalValue - sum of all event values in the most recent period

  eventCount - how many events occurred

  totalEventTime - how long the events were running for

  period - how long this period is

• getLastValues

  default double[] getLastValues(int count)

  Get the last N data points from persistent storage (if available). Default returns all NaN; override in implementations that store history.

  Parameters:

  count - number of data points requested

  Returns:

  array of length count, NaN-padded where data is unavailable