tsdb.graph.processing

Class Difference

java.lang.Object

tsdb.graph.node.Continuous.Abstract

tsdb.graph.processing.Difference

All Implemented Interfaces:

Continuous, Node

public class Difference
extends Continuous.Abstract

This Node creates difference values between two sources.

Nested Class Summary

Nested classes/interfaces inherited from interface tsdb.graph.node.Continuous

Continuous.Abstract, Continuous.Concrete

Field Summary

Fields inherited from class tsdb.graph.node.Continuous.Abstract

tsdb

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	Difference(TsDB tsdb, Continuous source, Continuous compareSource, java.lang.String stationName, boolean absoluteDifference)

Method Summary

Modifier and Type	Method and Description
TsIterator	get(java.lang.Long start, java.lang.Long end)
TsIterator	getExactly(long start, long end) create an iterator with values filling the interval (start, end), missing timestamps are created with nan values
java.lang.String[]	getSchema()
Station	getSourceStation()
VirtualPlot	getSourceVirtualPlot()
long[]	getTimestampInterval()
boolean	isConstantTimestep() data stream aligned to time step
static Continuous	of(TsDB tsdb, Continuous source, Continuous compareSource, java.lang.String stationName, boolean absoluteDifference)

Methods inherited from class java.lang.Object

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

Methods inherited from interface tsdb.graph.node.Continuous

isContinuous, of

Methods inherited from interface tsdb.graph.node.Node

getSourceName, getSourcePlot, getTimestampBaseInterval, writeConsole, writeConsole, writeCSV

Constructor Detail

Difference

protected Difference(TsDB tsdb,
                     Continuous source,
                     Continuous compareSource,
                     java.lang.String stationName,
                     boolean absoluteDifference)

Method Detail

of

public static Continuous of(TsDB tsdb,
                            Continuous source,
                            Continuous compareSource,
                            java.lang.String stationName,
                            boolean absoluteDifference)

getExactly

public TsIterator getExactly(long start,
                             long end)

Description copied from interface: Continuous

create an iterator with values filling the interval (start, end), missing timestamps are created with nan values

Returns:

get

public TsIterator get(java.lang.Long start,
                      java.lang.Long end)

getSourceStation

public Station getSourceStation()

isConstantTimestep

public boolean isConstantTimestep()

Description copied from interface: Node

data stream aligned to time step

Returns:

getSchema

public java.lang.String[] getSchema()

getSourceVirtualPlot

public VirtualPlot getSourceVirtualPlot()

getTimestampInterval

public long[] getTimestampInterval()