tsdb.graph.processing

Class Differential

java.lang.Object

tsdb.graph.processing.Differential

All Implemented Interfaces:

Continuous, Node

public class Differential
extends java.lang.Object
implements Continuous

This node creates differential values from source.

Nested Class Summary

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

Continuous.Abstract, Continuous.Concrete

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	Differential(Continuous source)

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
boolean	isContinuous() true => no time gaps in data stream, time steps do not need to be constant
static Differential	of(Continuous source)

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

of

Methods inherited from interface tsdb.graph.node.Node

getSourceName, getSourcePlot, getTimestampBaseInterval, writeConsole, writeConsole, writeCSV

Constructor Detail

Differential

protected Differential(Continuous source)

Method Detail

of

public static Differential of(Continuous source)

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

Specified by:

getExactly in interface Continuous

Returns:

get

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

Specified by:

get in interface Continuous

Specified by:

get in interface Node

getSourceStation

public Station getSourceStation()

Specified by:

getSourceStation in interface Node

isContinuous

public boolean isContinuous()

Description copied from interface: Node

true => no time gaps in data stream, time steps do not need to be constant

Specified by:

isContinuous in interface Continuous

Specified by:

isContinuous in interface Node

Returns:

isConstantTimestep

public boolean isConstantTimestep()

Description copied from interface: Node

data stream aligned to time step

Specified by:

isConstantTimestep in interface Node

Returns:

getSchema

public java.lang.String[] getSchema()

Specified by:

getSchema in interface Node

getSourceVirtualPlot

public VirtualPlot getSourceVirtualPlot()

Specified by:

getSourceVirtualPlot in interface Node

getTimestampInterval

public long[] getTimestampInterval()

Specified by:

getTimestampInterval in interface Node