Package com.inductiveautomation.ignition.gateway.alert

Class AbstractAlertExpressionContext.AlertVariableExpression

java.lang.Object

com.inductiveautomation.ignition.common.expressions.AbstractExpression

com.inductiveautomation.ignition.gateway.alert.AbstractAlertExpressionContext.AlertVariableExpression

All Implemented Interfaces:

Expression

Enclosing class:

AbstractAlertExpressionContext

protected class AbstractAlertExpressionContext.AlertVariableExpression
extends AbstractExpression

Field Summary

Fields inherited from class com.inductiveautomation.ignition.common.expressions.AbstractExpression

children, context, updateListener

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	AlertVariableExpression(AlertVariable variable)

Method Summary

Modifier and Type	Method	Description
QualifiedValue	execute()	Compute and return the value of this expression
String	getOpName()	Return a human-readable name for the operation that this expression performs
Class<?>	getType()	Return the type that this expression will return

Methods inherited from class com.inductiveautomation.ignition.common.expressions.AbstractExpression

connect, disconnect, getChildren, setChildren, shutdown, startup

Methods inherited from class java.lang.Object

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

Constructor Details

AlertVariableExpression

protected AlertVariableExpression(AlertVariable variable)

Method Details

execute

@Nonnull
public QualifiedValue execute()
                       throws ExpressionException

Description copied from interface: Expression

Compute and return the value of this expression

Throws:

ExpressionException

getOpName

public String getOpName()

Description copied from interface: Expression

Return a human-readable name for the operation that this expression performs

getType

public Class<?> getType()

Description copied from interface: Expression

Return the type that this expression will return