com.inductiveautomation.ignition.common.expressions

Class UMinusExpression

java.lang.Object

com.inductiveautomation.ignition.common.expressions.AbstractExpression

com.inductiveautomation.ignition.common.expressions.UMinusExpression

All Implemented Interfaces:

Expression

public class UMinusExpression
extends AbstractExpression

Field Summary

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

children, context, updateListener

Constructor Summary

Constructors

Constructor and Description
UMinusExpression()
UMinusExpression(Expression e1)

Method Summary

Modifier and Type	Method and Description
QualifiedValue	execute() Compute and return the value of this expression
java.lang.String	getOpName() Return a human-readable name for the operation that this expression performs
java.lang.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, typeMismatch

Methods inherited from class java.lang.Object

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

Constructor Detail

UMinusExpression

public UMinusExpression(Expression e1)

UMinusExpression

public UMinusExpression()

Method Detail

execute

public QualifiedValue execute()
                       throws ExpressionException

Description copied from interface: Expression

Compute and return the value of this expression

Throws:

ExpressionException

getType

public java.lang.Class<?> getType()

Description copied from interface: Expression

Return the type that this expression will return

getOpName

public java.lang.String getOpName()

Description copied from interface: Expression

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