org.alcibiade.chess.rules

Class PieceLocator

java.lang.Object

org.alcibiade.chess.rules.PieceLocator

public class PieceLocator
extends Object

Optimized piece location helper.

Constructor Summary

Constructors

Constructor and Description
PieceLocator(ChessPosition position)

Method Summary

Modifier and Type	Method and Description
Collection<ChessBoardCoord>	locatePiece(ChessPiece piece) Locate a piece on the board.
Collection<ChessBoardCoord>	locatePieces(ChessSide side) Locate coordinates of all pieces of a given playing side.

Methods inherited from class java.lang.Object

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

Constructor Detail

PieceLocator

public PieceLocator(ChessPosition position)

Method Detail

locatePiece

public Collection<ChessBoardCoord> locatePiece(ChessPiece piece)

Locate a piece on the board. Since we often have several similar pieces on the board, the result is a set of coordinates.

Parameters:

piece - a piece that should be located on the board

Returns:

the position of every piece occurrence. May be empty if the piece is no longer present on the board.

locatePieces

public Collection<ChessBoardCoord> locatePieces(ChessSide side)

Locate coordinates of all pieces of a given playing side.

Parameters:

side - the side whose pieces should be located on the board

Returns:

the position of every piece occurrence. Should never be empty if the game position is valid.