wugle.expression
Interface Identity

All Superinterfaces:

BinaryOperator, java.lang.Cloneable, Expression, Operator

All Known Implementing Classes:

LogicBinaryOperator

public interface Identity

extends BinaryOperator

Method Summary

boolean	canIdentity()
Expression	identity()
void	identity(Expression child)
Value	identityElement()

Methods inherited from interface wugle.expression.BinaryOperator

getLeftChild, getRightChild, setLeftChild, setRightChild

Methods inherited from interface wugle.expression.Operator

setChild

Methods inherited from interface wugle.expression.Expression

clone, getParent, getSymbol, isEqual, setParent

Method Detail

identityElement

public Value identityElement()

canIdentity

public boolean canIdentity()

identity

public Expression identity()
                    throws java.lang.Exception

java.lang.Exception

identity

public void identity(Expression child)