org.rrd4j.graph

Class Def

java.lang.Object

org.rrd4j.graph.Source

org.rrd4j.graph.Def

class Def
extends Source

Represents a data definition (DEF) in RRD graphs. A DEF defines a data source by specifying an RRD file, data source name, and consolidation function. This is the primary way to import data from RRD files into graphs.

Field Summary

Fields inherited from class org.rrd4j.graph.Source

name

Constructor Summary

Constructors

Constructor and Description
Def(String name, URI rrdUri, String dsName, ConsolFun consolFun, RrdBackendFactory backend)

Method Summary

Modifier and Type	Method and Description
(package private) 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

Constructor Detail

Def

Def(String name,
    URI rrdUri,
    String dsName,
    ConsolFun consolFun,
    RrdBackendFactory backend)

Method Detail

requestData

void requestData(DataProcessor dproc)

Description copied from class: Source

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

Specified by:

requestData in class Source

Parameters:

dproc - the data processor to receive the data