org.hackystat.telemetry.analyzer.function.impl
Interface FilterFunction.RankFunction

All Known Implementing Classes:
FilterFunction.AverageRankFunction, FilterFunction.DeltaRankFunction, FilterFunction.LastRankFunction, FilterFunction.MaxRankFunction, FilterFunction.MinRankFunction, FilterFunction.SimpleDeltaRankFunction
Enclosing class:
FilterFunction

static interface FilterFunction.RankFunction

Rank function.


Method Summary
 double getRank(TelemetryStream stream)
          Gets a rank value for a telemetry stream.
 

Method Detail

getRank

double getRank(TelemetryStream stream)
Gets a rank value for a telemetry stream. Note that any implmentation MUST observe the rules: The function should never return Double.POSITIVE_INFINITY, Double.NEGATIVE_INFINITY, or Double.NaN.

Parameters:
stream - A telemetry stream.
Returns:
A rank value.