Package com.inductiveautomation.factorypmi.application.components.chart.easychart

Class AbstractFunctionPenDatasource

java.lang.Object

com.inductiveautomation.factorypmi.application.components.chart.easychart.AbstractCalculatedPenDatasource

com.inductiveautomation.factorypmi.application.components.chart.easychart.AbstractFunctionPenDatasource

All Implemented Interfaces:

IPenDatasource, EventListener, ChangeListener

Direct Known Subclasses:

LinearRegressionPenDatasource, MovingAveragePenDatasource, MultiplyPenDatasource, RunningSumPenDatasource, SpcPenDatasource, SumDiffPenDatasource

public abstract class AbstractFunctionPenDatasource
extends AbstractCalculatedPenDatasource
implements ChangeListener

Base class for all calculated pen datasources that are functions of another pen

Field Summary

Fields

Modifier and Type	Field	Description
protected Map<String,PenData>	referencedPens

Fields inherited from class com.inductiveautomation.factorypmi.application.components.chart.easychart.AbstractCalculatedPenDatasource

chart, dataset, datasets, endDate, log, pens, startDate

Constructor Summary

Constructors

Constructor	Description
AbstractFunctionPenDatasource()

Method Summary

Modifier and Type	Method	Description
protected abstract Dataset	createDataset()	Called when the dataset needs to be re-calculated
void	initRefs(Map<String,PenData> allPens)	Gives the datasource a chance to install references to other pens
void	stateChanged(ChangeEvent e)	Implements ChangeListener, used to listen to the referenced pens' PenData objects

Methods inherited from class com.inductiveautomation.factorypmi.application.components.chart.easychart.AbstractCalculatedPenDatasource

addPen, getDataset, getMillisRange, getNumDatapoints, isZoomTracking, setDataset, setDatasetLater, shutdown, startup, warn

Methods inherited from class java.lang.Object

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

Field Details

referencedPens

protected Map<String,PenData> referencedPens

Constructor Details

AbstractFunctionPenDatasource

public AbstractFunctionPenDatasource()

Method Details

initRefs

public void initRefs(Map<String,PenData> allPens)

Description copied from interface: IPenDatasource

Gives the datasource a chance to install references to other pens

Specified by:

initRefs in interface IPenDatasource

Overrides:

initRefs in class AbstractCalculatedPenDatasource

stateChanged

public void stateChanged(ChangeEvent e)

Implements ChangeListener, used to listen to the referenced pens' PenData objects

Specified by:

stateChanged in interface ChangeListener

createDataset

protected abstract Dataset createDataset()

Called when the dataset needs to be re-calculated