org.epics.pvmanager.extra

Class ExpressionLanguage

java.lang.Object

org.epics.pvmanager.extra.ExpressionLanguage

public class ExpressionLanguage
extends Object

PVManager expression language support for additional operations.

Author:

carcassi

Method Summary

Methods

Modifier and Type	Method and Description
static DynamicGroup	group() Creates a group of dynamically managed expressions.
static <T extends VNumberArray> WaterfallPlot	waterfallPlotOf(SourceRateExpression<T> arrayPv) Aggregates the sample at the scan rate and takes the average.
static <T extends VNumber> WaterfallPlot	waterfallPlotOf(SourceRateExpressionList<T> vDoubles) Creates a waterfall plot from a series of scalar pvs.

Methods inherited from class java.lang.Object

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

Method Detail

waterfallPlotOf

public static <T extends VNumberArray> WaterfallPlot waterfallPlotOf(SourceRateExpression<T> arrayPv)

Aggregates the sample at the scan rate and takes the average.

Parameters:

arrayPv - the expression to take the average of; can't be null

Returns:

an expression representing the average of the expression

waterfallPlotOf

public static <T extends VNumber> WaterfallPlot waterfallPlotOf(SourceRateExpressionList<T> vDoubles)

Creates a waterfall plot from a series of scalar pvs.

Parameters:

vDoubles - the expression to take the average of; can't be null

Returns:

an expression representing the average of the expression

group

public static DynamicGroup group()

Creates a group of dynamically managed expressions.

Returns:

a new group