org.qi4j.spi.metrics
Class NullMetricsFactory.NullHistogramFactory

java.lang.Object
  org.qi4j.spi.metrics.NullMetricsFactory.NullHistogramFactory

All Implemented Interfaces:

MetricsFactory, MetricsHistogramFactory

Enclosing class:

NullMetricsFactory

public static class NullMetricsFactory.NullHistogramFactory
extends java.lang.Object
implements MetricsHistogramFactory

Constructor Summary

NullMetricsFactory.NullHistogramFactory()

Method Summary

MetricsHistogram	createHistogram(java.lang.Class<?> origin, java.lang.String name) Create a MetricsHistogram instance.
java.lang.Iterable<Metric>	registered()

Methods inherited from class java.lang.Object

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

Constructor Detail

NullMetricsFactory.NullHistogramFactory

public NullMetricsFactory.NullHistogramFactory()

Method Detail

createHistogram

public MetricsHistogram createHistogram(java.lang.Class<?> origin,
                                        java.lang.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:

origin - The class that instantiate the metric

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

Returns:

A Metric instance to be used, OR org.qi4j.spi.metrics.DefaultMetric.NULL if not supported.

See Also:

DefaultMetric

registered

public java.lang.Iterable<Metric> registered()

Specified by:

registered in interface MetricsFactory