org.altlinux.jabbix.metric

Class RandomNumberMetric

java.lang.Object

org.altlinux.jabbix.metric.RandomNumberMetric

All Implemented Interfaces:

MetricAgent

public class RandomNumberMetric
extends java.lang.Object
implements MetricAgent

A sample metric agent for the Jabbix library querying the random number generator for a value of a normally distributed random number. Because of only one metric to return it is returned for any given key.

Author:

Paul Wolneykien

Constructor Summary

Constructors

Constructor and Description
RandomNumberMetric(long seed) Creates a new random metric with a given seed.

Method Summary

Modifier and Type	Method and Description
JabbixMetric<java.lang.Double>	getMetric(java.lang.String key) Returns a value of a normally distributed random number.
java.util.Random	getRandom() Returns the random number generator.
void	setRandom(java.util.Random random) Sets a random generator.

Methods inherited from class java.lang.Object

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

Constructor Detail

RandomNumberMetric

public RandomNumberMetric(long seed)

Creates a new random metric with a given seed.

Parameters:

seed - a random number generator seed

Method Detail

getMetric

public JabbixMetric<java.lang.Double> getMetric(java.lang.String key)
                                         throws JabbixException,
                                                NoSuchMetricException

Returns a value of a normally distributed random number. Because of only one metric to return it is returned for any given key.

Specified by:

getMetric in interface MetricAgent

Parameters:

key - metric key, the name of a metric

Returns:

JabbixMetric object containing a randomly generated value

Throws:

NoSuchMetricException - if no metric with the specified key is found

JabbixException - in any other error case

setRandom

public void setRandom(java.util.Random random)

Sets a random generator.

Parameters:

random - a random generator to use

getRandom

public java.util.Random getRandom()

Returns the random number generator.

Returns:

the random number generator that is used for value retrieval