jadex.bdiv3.examples.puzzle

Class MoveComparator

java.lang.Object

jadex.bdiv3.examples.puzzle.MoveComparator

All Implemented Interfaces:

java.util.Comparator<Move>

public class MoveComparator
extends java.lang.Object
implements java.util.Comparator<Move>

Sort moves according to a strategy.

Field Summary

Fields

Modifier and Type	Field and Description
protected IBoard	board The board (required for checking which piece is in a given position).
protected java.lang.String	strategy The strategy.
static java.lang.String	STRATEGY_ALTER_LONG The strategy preferring jump moves of different colors.
static java.lang.String	STRATEGY_LONG The strategy preferring jump moves, but ignoring colors.
static java.lang.String	STRATEGY_NONE No strategy: try moves in order of appearance.
static java.lang.String	STRATEGY_SAME_LONG The strategy preferring jump moves of same color.

Constructor Summary

Constructors

Constructor and Description
MoveComparator(IBoard board, java.lang.String strategy) Create a move comparator.

Method Summary

Modifier and Type	Method and Description
int	compare(Move move1, Move move2) Compare two moves.

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Comparator

comparing, comparing, comparingDouble, comparingInt, comparingLong, equals, naturalOrder, nullsFirst, nullsLast, reversed, reverseOrder, thenComparing, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLong

Field Detail

STRATEGY_NONE

public static final java.lang.String STRATEGY_NONE

No strategy: try moves in order of appearance.

See Also:

Constant Field Values

STRATEGY_LONG

public static final java.lang.String STRATEGY_LONG

The strategy preferring jump moves, but ignoring colors.

See Also:

Constant Field Values

STRATEGY_SAME_LONG

public static final java.lang.String STRATEGY_SAME_LONG

The strategy preferring jump moves of same color.

See Also:

Constant Field Values

STRATEGY_ALTER_LONG

public static final java.lang.String STRATEGY_ALTER_LONG

The strategy preferring jump moves of different colors.

See Also:

Constant Field Values

board

protected IBoard board

The board (required for checking which piece is in a given position).

strategy

protected java.lang.String strategy

The strategy.

Constructor Detail

MoveComparator

public MoveComparator(IBoard board,
                      java.lang.String strategy)

Create a move comparator.

Method Detail

compare

public int compare(Move move1,
                   Move move2)

Compare two moves.

Specified by:

compare in interface java.util.Comparator<Move>

Returns:

A negative number when the first move should come before the second.