heart.alsvfd.expressions

Class UnaryExpression

java.lang.Object

heart.alsvfd.expressions.UnaryExpression

All Implemented Interfaces:

ExpressionInterface

public class UnaryExpression
extends java.lang.Object
implements ExpressionInterface

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	UnaryExpression.Builder
static class	UnaryExpression.UnaryOperator

Constructor Summary

Constructors

Constructor and Description
UnaryExpression(ExpressionInterface arg, UnaryExpression.UnaryOperator op)

Method Summary

Modifier and Type	Method and Description
Value	evaluate(WorkingMemory wm)
Type	evaluateType(WorkingMemory wm) It returns the type of the operand.
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

UnaryExpression

public UnaryExpression(ExpressionInterface arg,
                       UnaryExpression.UnaryOperator op)

Method Detail

evaluate

public Value evaluate(WorkingMemory wm)
               throws java.lang.UnsupportedOperationException,
                      NotInTheDomainException

Specified by:

evaluate in interface ExpressionInterface

Throws:

java.lang.UnsupportedOperationException

NotInTheDomainException

evaluateType

public Type evaluateType(WorkingMemory wm)

It returns the type of the operand. It return null, as there is not always a warranty that the result will be of the same type as operands.

Specified by:

evaluateType in interface ExpressionInterface

Parameters:

wm - The WorkingMemory object with respect to which a type of an expression should be evaluated

Returns:

type of the expression

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object