akka.cluster.metrics

Interface MetricNumericConverter

All Known Implementing Classes:

Metric, Metric$

public interface MetricNumericConverter

INTERNAL API

Encapsulates evaluation of validity of metric values, conversion of an actual metric value to a Metric for consumption by subscribed cluster entities.

Method Summary

Modifier and Type	Method and Description
scala.util.Either<java.lang.Object,java.lang.Object>	convertNumber(java.lang.Object from) May involve rounding or truncation.
boolean	defined(java.lang.Number value) An defined value is neither negative nor NaN/Infinite: JMX system load average and max heap can be 'undefined' for certain OS, in which case a -1 is returned SIGAR combined CPU can occasionally return a NaN or Infinite (known bug)

Method Detail

defined

boolean defined(java.lang.Number value)

An defined value is neither negative nor NaN/Infinite:

• JMX system load average and max heap can be 'undefined' for certain OS, in which case a -1 is returned
• SIGAR combined CPU can occasionally return a NaN or Infinite (known bug)

Parameters:

value - (undocumented)

Returns:

(undocumented)

convertNumber

scala.util.Either<java.lang.Object,java.lang.Object> convertNumber(java.lang.Object from)

May involve rounding or truncation.

Parameters:

from - (undocumented)

Returns:

(undocumented)