Interface StrategicTurningPoint

All Known Implementing Classes:

StrategicTurningPoint.CenterSquareControl, StrategicTurningPoint.GameWon, StrategicTurningPoint.ImmediateLossPrevention

public sealed interface StrategicTurningPoint
permits StrategicTurningPoint.CenterSquareControl, StrategicTurningPoint.ImmediateLossPrevention, StrategicTurningPoint.GameWon

A strategic turning point in a game of Tic-Tac-Toe.

Nested Class Summary

Nested Classes

Modifier and Type	Interface	Description
static final record	StrategicTurningPoint.CenterSquareControl	A strategic turning point where the player has control of the center square.
static final record	StrategicTurningPoint.GameWon	A strategic turning point where the player has won the game.
static final record	StrategicTurningPoint.ImmediateLossPrevention	A strategic turning point where the player has prevented an immediate loss.
static enum	StrategicTurningPoint.PriorityLevel	Priority/severity level of the strategic turning point.

Method Summary

Modifier and Type	Method	Description
static Optional<StrategicTurningPoint>	from(GameState prevGameState, GameState gameState, int moveNumber)
GameState	gameState()	The game state at the strategic turning point.
int	moveNumber()	The move number at the strategic turning point.
static boolean	movePreventedImmediateLoss(GameState prevGameState, GameState gameState)	Check for a strategic turning point where the player is about to lose.
static boolean	moveTakesCenterSquareControl(GameState prevGameState, GameState gameState)	Check for a strategic turning point where the player has control of the center square.
static boolean	moveWinsGame(GameState gameState)	Check for a strategic turning point where the player has won the game.
String	playerMarker()	The player marker for the player who made the strategic move.
StrategicTurningPoint.PriorityLevel	priorityLevel()	The priority level of the strategic turning point.

Method Details

playerMarker

String playerMarker()

The player marker for the player who made the strategic move.

gameState

GameState gameState()

The game state at the strategic turning point.

moveNumber

int moveNumber()

The move number at the strategic turning point.

priorityLevel

StrategicTurningPoint.PriorityLevel priorityLevel()

The priority level of the strategic turning point.

moveTakesCenterSquareControl

static boolean moveTakesCenterSquareControl(GameState prevGameState,
 GameState gameState)

Check for a strategic turning point where the player has control of the center square.

Parameters:

prevGameState - the game state before the strategic move

gameState - the game state after the strategic move

Returns:

true if the strategic turning point is a center square control

movePreventedImmediateLoss

static boolean movePreventedImmediateLoss(GameState prevGameState,
 GameState gameState)

Check for a strategic turning point where the player is about to lose.

Parameters:

prevGameState - the game state before the strategic move

gameState - the game state after the strategic move

Returns:

true if the player is about to lose, false otherwise

moveWinsGame

static boolean moveWinsGame(GameState gameState)

Check for a strategic turning point where the player has won the game.

Parameters:

gameState - the game state after the strategic move return true if the player has won the game, false otherwise

from

static Optional<StrategicTurningPoint> from(GameState prevGameState,
 GameState gameState,
 int moveNumber)