Package com.codahale.metrics

Class JmxAttributeGauge

java.lang.Object

com.codahale.metrics.JmxAttributeGauge

All Implemented Interfaces:

Gauge<Object>, Metric

public class JmxAttributeGauge
extends Object
implements Gauge<Object>

A Gauge implementation which queries a MBeanServer for an attribute of an object.

Field Summary

Fields

Modifier and Type	Field	Description
private final String	attributeName
private final MBeanServer	mBeanServer
private final ObjectName	objectName

Constructor Summary

Constructors

Constructor	Description
JmxAttributeGauge(MBeanServer mBeanServer, ObjectName objectName, String attributeName)	Creates a new JmxAttributeGauge.
JmxAttributeGauge(ObjectName objectName, String attributeName)	Creates a new JmxAttributeGauge.

Method Summary

Modifier and Type	Method	Description
Object	getValue()	Returns the metric's current value.

Methods inherited from class java.lang.Object

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

Field Details

mBeanServer

private final MBeanServer mBeanServer

objectName

private final ObjectName objectName

attributeName

private final String attributeName

Constructor Details

JmxAttributeGauge

public JmxAttributeGauge(ObjectName objectName,
 String attributeName)

Creates a new JmxAttributeGauge.

Parameters:

objectName - the name of the object

attributeName - the name of the object's attribute

JmxAttributeGauge

public JmxAttributeGauge(MBeanServer mBeanServer,
 ObjectName objectName,
 String attributeName)

Creates a new JmxAttributeGauge.

Parameters:

mBeanServer - the MBeanServer

objectName - the name of the object

attributeName - the name of the object's attribute

Method Details

getValue

public Object getValue()

Description copied from interface: Gauge

Returns the metric's current value.

Specified by:

getValue in interface Gauge<Object>

Returns:

the metric's current value