com.hazelcast.internal.metrics.impl

Class GaugeImpl<S>

java.lang.Object

com.hazelcast.internal.metrics.impl.GaugeImpl<S>

Type Parameters:

S -

All Implemented Interfaces:

Gauge, Metric

public class GaugeImpl<S>
extends Object
implements Gauge

Default Metric implementation.

Constructor Summary

Constructors

Constructor and Description
GaugeImpl(String name, ILogger logger)

Method Summary

Methods

Modifier and Type	Method and Description
String	getName() Gets the name that identifies this metric.
double	readDouble() Reads the current available (gauge metric) value as a double.
long	readLong() Reads the current available (gauge metric) value as a long.
void	render(StringBuilder sb) Renders the metric.

Methods inherited from class java.lang.Object

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

Constructor Detail

GaugeImpl

public GaugeImpl(String name,
         ILogger logger)

Method Detail

getName

public String getName()

Description copied from interface: Metric

Gets the name that identifies this metric. The returned value will never change and never be null.

Specified by:

getName in interface Metric

Returns:

the name of the metric.

render

public void render(StringBuilder sb)

Description copied from interface: Metric

Renders the metric.

Specified by:

render in interface Metric

Parameters:

sb - the StringBuilder to write to.

readLong

public long readLong()

Description copied from interface: Gauge

Reads the current available (gauge metric) value as a long. If the underlying metric input providing a floating point value, then the value will be rounded using Math.round(double). If no input is available, or there are problems obtaining a value from the input, 0 is returned.

Specified by:

readLong in interface Gauge

Returns:

the current available (gauge metric) value as a long.

readDouble

public double readDouble()

Description copied from interface: Gauge

Reads the current available (gauge metric) value as a double. If the underlying metric input doesn't provide a floating point value, then the value will be converted to a floating point value. If no input is available, or there are problems obtaining a value from the input, 0 is returned.

Specified by:

readDouble in interface Gauge

Returns:

the current available (gauge metric) value as a double.