calc
Class NumeralCalc

java.lang.Object
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  +--calc.BaseCalc
        |
        +--calc.NumeralCalc

public class NumeralCalc

extends BaseCalc

Represents a Numeral in the Calc-Scheme. Numerals are the leaves in the operation tree, therefore they simply return the argument handed over to them in the Constructor

Fields inherited from class calc.BaseCalc

calculated, children, result

Constructor Summary

NumeralCalc(Complex arg)

Method Summary

protected void	doCalculate() does nothing, since the result is already set in Constructor
int	getArgsNr() overridden by inheriting class, needed for consistency-checks
java.lang.String	getArithmeticSymbol() must be implemented for debugging purposes: returns "+" for AddCalc, etc.

Methods inherited from class calc.BaseCalc

calculate, clear, getChildren, insertChildren, main, result, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

NumeralCalc

public NumeralCalc(Complex arg)

Method Detail

getArgsNr

public int getArgsNr()

Description copied from class: BaseCalc

overridden by inheriting class, needed for consistency-checks

Overrides:

getArgsNr in class BaseCalc

getArithmeticSymbol

public java.lang.String getArithmeticSymbol()

Description copied from class: BaseCalc

must be implemented for debugging purposes: returns "+" for AddCalc, etc.

Overrides:

getArithmeticSymbol in class BaseCalc

doCalculate

protected void doCalculate()

does nothing, since the result is already set in Constructor

Overrides:

doCalculate in class BaseCalc