com.klg.jclass.util.formulae
Interface Expression

All Superinterfaces:

Cloneable

All Known Subinterfaces:

ExpressionReference, Result

All Known Implementing Classes:

ExpressionList, ExpressionVariable, MathValue, Operation, TableReference

public interface Expression

extends Cloneable

This interface defines the minimum support necessary for something to be considered an expression - basically it must evaluate to something.

Method Summary

Object	clone() Define a clone operation for all Expressions
com.klg.jclass.util.formulae.Result	evaluate() Return a Result which contains the evaluation of this expression

Method Detail

evaluate

public com.klg.jclass.util.formulae.Result evaluate()

Return a Result which contains the evaluation of this expression

Returns:

The Value or List obtained from evaluting an Expression

clone

public Object clone()
             throws CloneNotSupportedException

Define a clone operation for all Expressions

Overrides:

clone in class Object

CloneNotSupportedException