org.rrd4j.graph

Class Source

java.lang.Object

org.rrd4j.graph.Source

Direct Known Subclasses:

CDef, Def, PDef, TDef, VDef

abstract class Source
extends Object

Abstract base class for data sources in RRD graphs. Represents a named data source that can provide values for graphing. All data sources must implement requestData() to supply data to the processor.

Field Summary

Fields

Modifier and Type	Field and Description
(package private) String	name The name of this data source

Constructor Summary

Constructors

Constructor and Description
Source(String name) Creates a new data source with the specified name.

Method Summary

Modifier and Type	Method and Description
(package private) abstract void	requestData(DataProcessor dproc) Requests data from this source and provides it to the data processor.

Methods inherited from class java.lang.Object

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

Field Detail

name

final String name

The name of this data source

Constructor Detail

Source

Source(String name)

Creates a new data source with the specified name.

Parameters:

name - the name of this data source

Method Detail

requestData

abstract void requestData(DataProcessor dproc)

Requests data from this source and provides it to the data processor.

Parameters:

dproc - the data processor to receive the data