org.rrd4j.data

Class PDef

java.lang.Object

org.rrd4j.data.Source

org.rrd4j.data.PDef

All Implemented Interfaces:

NonRrdSource

class PDef
extends Source
implements NonRrdSource

RRD PDEF (Plottable Data Source Definition) implementation.
Creates data sources from plottable objects that can provide values based on timestamps.

Field Summary

Fields inherited from class org.rrd4j.data.Source

timestamps, values

Constructor Summary

Constructors

Constructor and Description
PDef(String name, IPlottable plottable2)

Method Summary

Modifier and Type	Method and Description
void	calculate(long tStart, long tEnd, DataProcessor dataProcessor) Calculates values for the specified time range.

Methods inherited from class org.rrd4j.data.Source

getName, getTimestamps, getValues, setTimestamps, setValues

Methods inherited from class java.lang.Object

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

Constructor Detail

PDef

PDef(String name,
     IPlottable plottable2)

Method Detail

calculate

public void calculate(long tStart,
                      long tEnd,
                      DataProcessor dataProcessor)

Calculates values for the specified time range.

Specified by:

calculate in interface NonRrdSource

Parameters:

tStart - start time for calculation

tEnd - end time for calculation

dataProcessor - DataProcessor object for accessing other data sources