Package ball.game.sudoku

Class Rule

java.lang.Object

ball.game.sudoku.Rule

Direct Known Subclasses:

RuleOfElimination

public abstract class Rule
extends Object

Sudoku Puzzle solution Rule.

Author:

Allen D. Ball

Constructor Summary

Constructors

Constructor	Description
Rule()

Method Summary

Modifier and Type	Method	Description
abstract boolean	applyTo(Puzzle puzzle)	Method to apply this Rule to the argument Puzzle.
protected int	count(Iterable<Cell> iterable)	Method to get the count of solved Cells.
protected Digits	solved(Iterable<Cell> iterable)	Method to get the solved Digits.
protected int	sum(Iterable<Cell> iterable)	Method to get the sum of solved Cells.

Methods inherited from class java.lang.Object

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

Constructor Detail

Rule

public Rule()

Method Detail

applyTo

public abstract boolean applyTo(Puzzle puzzle)

Method to apply this Rule to the argument Puzzle.

Parameters:

puzzle - The Puzzle to solve.

Returns:

true if this Puzzle is modified; false otherwise.

count

protected int count(Iterable<Cell> iterable)

Method to get the count of solved Cells.

Parameters:

iterable - The Iterable of Cells.

Returns:

The count of solved Cells.

sum

protected int sum(Iterable<Cell> iterable)

Method to get the sum of solved Cells.

Parameters:

iterable - The Iterable of Cells.

Returns:

The sum of solved Cells.

solved

protected Digits solved(Iterable<Cell> iterable)

Method to get the solved Digits.

Parameters:

iterable - The Iterable of Cells.

Returns:

The solved Digits.