com.bigdata.ganglia

Class DefaultMetadataFactory

java.lang.Object

com.bigdata.ganglia.DefaultMetadataFactory

All Implemented Interfaces:

IGangliaMetadataFactory

public class DefaultMetadataFactory
extends Object
implements IGangliaMetadataFactory

Default factory will always produce an IGangliaMetadataMessage for a metric.

Constructor Summary

Constructors

Constructor and Description
DefaultMetadataFactory(String defaultUnits, GangliaSlopeEnum defaultSlope, int defaultTMax, int defaultDMax)

Method Summary

Methods

Modifier and Type	Method and Description
IGangliaMetadataMessage	newDecl(String hostName, String metricName, Object value) Note: If the metric name contains a . then the metric will be placed into a group named by everything in the metricName up to that . character.
IGangliaMetadataMessage	resolve(IGangliaMetadataMessage decl) Always returns the caller's argument.

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultMetadataFactory

public DefaultMetadataFactory(String defaultUnits,
                      GangliaSlopeEnum defaultSlope,
                      int defaultTMax,
                      int defaultDMax)

Method Detail

newDecl

public IGangliaMetadataMessage newDecl(String hostName,
                              String metricName,
                              Object value)

Note: If the metric name contains a . then the metric will be placed into a group named by everything in the metricName up to that . character.

Specified by:

newDecl in interface IGangliaMetadataFactory

Parameters:

hostName - The name of this host.

metricName - The ganglia metric name (suitably munged if necessary for use by ganglia).

value - The metric value (NOT null).

Returns:

The metric declaration -or- null if this factory does not know how to declare this metric.

resolve

public IGangliaMetadataMessage resolve(IGangliaMetadataMessage decl)

Always returns the caller's argument.

Specified by:

resolve in interface IGangliaMetadataFactory

Parameters:

decl - A declaration (typically received over the wire).

Returns:

The declaration to be used.