org.rrd4j.data

Interface IPlottable

All Known Implementing Classes:

LinearInterpolator, org.rrd4j.data.Plottable

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
public interface IPlottable

Interface for custom data sources used in RRD graphs.
Implement this interface to create custom datasources that can be passed to RrdGraphDef for graphing operations.

If you wish to use a custom datasource in a graph, create a class implementing this interface that represents that datasource, and then pass this class to RrdGraphDef.

Method Summary

Modifier and Type	Method and Description
double	getValue(long timestamp) Retrieves datapoint value based on a given timestamp.

Method Detail

getValue

double getValue(long timestamp)

Retrieves datapoint value based on a given timestamp. Use this method if you only have one series of data in this class.

Parameters:

timestamp - Timestamp in seconds for the datapoint.

Returns:

Double value of the datapoint.