org.apache.polygene.spi.metrics

Class NullMetricsFactory.NullHistogramFactory

java.lang.Object

org.apache.polygene.spi.metrics.NullMetricsFactory.NullHistogramFactory

All Implemented Interfaces:

MetricsFactory, MetricsHistogramFactory

Enclosing class:

NullMetricsFactory

public static class NullMetricsFactory.NullHistogramFactory
extends Object
implements MetricsHistogramFactory

Constructor Summary

Constructors

Constructor and Description
NullHistogramFactory()

Method Summary

Modifier and Type	Method and Description
MetricsHistogram	createHistogram(String name) Create a MetricsHistogram instance.
Stream<Metric>	registered()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

NullHistogramFactory

public NullHistogramFactory()

Method Detail

createHistogram

public MetricsHistogram createHistogram(String name)

Description copied from interface: MetricsHistogramFactory

Create a MetricsHistogram instance. If the same arguments are given twice, the same instance must be returned.

Specified by:

createHistogram in interface MetricsHistogramFactory

Parameters:

name - A human readable, short name of the metric.

Returns:

A Metric instance to be used, OR org.apache.polygene.spi.metrics.DefaultMetric.NULL if not supported.

registered

public Stream<Metric> registered()

Specified by:

registered in interface MetricsFactory