Package hec.model

Class Expression

java.lang.Object

hec.model.LogicNode

hec.model.Operand

hec.model.Expression

public class Expression
extends Operand

Constructor Summary

Constructors

Constructor	Description
Expression()
Expression(ConditionalItem ci)

Method Summary

Modifier and Type	Method	Description
boolean	evaluate(RunTimeStep rts)	Abstract Method.
void	setExpression(ConditionalItem ci)
void	setExpressionValue(boolean b)	Testing method to set the value to return from evaluate
String	toString()

Methods inherited from class hec.model.LogicNode

main, testOperatorNodes

Methods inherited from class java.lang.Object

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

Constructor Details

Expression

public Expression()

Expression

public Expression(ConditionalItem ci)

Method Details

evaluate

public boolean evaluate(RunTimeStep rts)

Description copied from class: LogicNode

Abstract Method. Returns a true/false value based upon the type of node. Operator nodes return the logical operator value based on the values of its children. Expression nodes return values based upon the particular expression the represent i.e. (X < 5)

Specified by:

evaluate in class LogicNode

Returns:

true or false.

setExpression

public void setExpression(ConditionalItem ci)

setExpressionValue

public void setExpressionValue(boolean b)

Testing method to set the value to return from evaluate

toString

public String toString()

Overrides:

toString in class LogicNode