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public enum GameState {
	JOINING {
 
		public <B extends Board, A extends Action<B>, P extends Player<B, A>, G extends Game<B, A, P>> void joinPlayer(G game, Session session) {
			game.insertPlayer(session);
			if (game.getExpectedPlayerCount() == 0) {
				game.setState(OPEN);
			}
		}
	},
	OPEN {
 
		public <B extends Board, A extends Action<B>, P extends Player<B, A>, G extends Game<B, A, P>> void playGame(G game) {
			game.performGame();
		}
 
		public <B extends Board, A extends Action<B>, P extends Player<B, A>, G extends Game<B, A, P>> void playTurn(G game) {
			game.performTurn();
		}
 
		public <B extends Board, A extends Action<B>, P extends Player<B, A>, G extends Game<B, A, P>> void makeAction(G game, Session session, A action) {
			game.performAction(session, action);
			if (game.isOver()) {
				game.setState(ENDED);
			}
		}
 
	},
	ENDED {
		public <B extends Board, A extends Action<B>, P extends Player<B, A>, G extends Game<B, A, P>> void playGame(G game) {
			/* Restart the game with the same players */
			game.setState(OPEN);
		}
	};
 
	public <B extends Board, A extends Action<B>, P extends Player<B, A>, G extends Game<B, A, P>> void joinPlayer(G game, Session session) { /* Nothing to do */ }
	public <B extends Board, A extends Action<B>, P extends Player<B, A>, G extends Game<B, A, P>> void playGame(G game) { /* Nothing to do */ };
	public <B extends Board, A extends Action<B>, P extends Player<B, A>, G extends Game<B, A, P>> void playTurn(G game) { /* Nothing to do */ };
	public <B extends Board, A extends Action<B>, P extends Player<B, A>, G extends Game<B, A, P>> void makeAction(G game, Session session, A action) { /* Nothing to do */ }; |