Method: build(int)

1:
2: package de.fhdw.gaming.ipspiel24.fg.domain.impl;
3:
4: import java.util.LinkedHashMap;
5: import java.util.Map;
6: import java.util.Objects;
7: import java.util.Optional;
8:
9: import de.fhdw.gaming.core.domain.DefaultGame;
10: import de.fhdw.gaming.core.domain.DefaultObserverFactoryProvider;
11: import de.fhdw.gaming.core.domain.Game;
12: import de.fhdw.gaming.core.domain.GameBuilder;
13: import de.fhdw.gaming.core.domain.GameException;
14: import de.fhdw.gaming.core.domain.ObserverFactoryProvider;
15: import de.fhdw.gaming.ipspiel24.fg.domain.FGGameBuilder;
16: import de.fhdw.gaming.ipspiel24.fg.domain.FGPlayer;
17: import de.fhdw.gaming.ipspiel24.fg.domain.FGPlayerBuilder;
18: import de.fhdw.gaming.ipspiel24.fg.domain.FGState;
19: import de.fhdw.gaming.ipspiel24.fg.domain.FGStrategy;
20: import de.fhdw.gaming.ipspiel24.fg.moves.FGMove;
21: import de.fhdw.gaming.ipspiel24.fg.moves.impl.AbstractFGMove;
22:
23: /**
24: * Implements {@link FGGameBuilder}.
25: */
26: final class FGGameBuilderImpl implements FGGameBuilder {
27:
28: /**
29: * The {@link ObserverFactoryProvider}.
30: */
31: private ObserverFactoryProvider observerFactoryProvider;
32: /**
33: * The player using black tokens.
34: */
35: private Optional<FGPlayer> firstPlayer;
36: /**
37: * The strategy of the player using black tokens.
38: */
39: private Optional<FGStrategy> firstPlayerStrategy;
40: /**
41: * The player using white tokens.
42: */
43: private Optional<FGPlayer> secondPlayer;
44: /**
45: * The strategy of the player using white tokens.
46: */
47: private Optional<FGStrategy> secondPlayerStrategy;
48: /**
49: * The maximum computation time per move in seconds.
50: */
51: private int maxComputationTimePerMove;
52:
53: /**
54: * Creates a FG game builder.
55: */
56: FGGameBuilderImpl() {
57: this.observerFactoryProvider = new DefaultObserverFactoryProvider();
58: this.firstPlayer = Optional.empty();
59: this.firstPlayerStrategy = Optional.empty();
60: this.secondPlayer = Optional.empty();
61: this.secondPlayerStrategy = Optional.empty();
62: this.maxComputationTimePerMove = GameBuilder.DEFAULT_MAX_COMPUTATION_TIME_PER_MOVE;
63: }
64:
65: @Override
66: public FGPlayerBuilder createPlayerBuilder() {
67: return new FGPlayerBuilderImpl();
68: }
69:
70: @Override
71: public FGGameBuilder addPlayer(final FGPlayer player, final FGStrategy strategy)
72: throws GameException {
73:
74: if (this.firstPlayer.isEmpty()) {
75: this.firstPlayer = Optional.of(Objects.requireNonNull(player, "player"));
76: this.firstPlayerStrategy = Optional.of(Objects.requireNonNull(strategy, "firstPlayerStrategy"));
77: } else if (this.secondPlayer.isEmpty()) {
78: this.secondPlayer = Optional.of(Objects.requireNonNull(player, "player"));
79: this.secondPlayerStrategy = Optional.of(Objects.requireNonNull(strategy, "secondPlayerStrategy"));
80: } else {
81: throw new GameException(String.format("More than two players are now allowed."));
82: }
83: return this;
84: }
85:
86: @Override
87: public FGGameBuilder changeMaximumComputationTimePerMove(final int newMaxComputationTimePerMove) {
88: this.maxComputationTimePerMove = newMaxComputationTimePerMove;
89: return this;
90: }
91:
92: @Override
93: public FGGameBuilder changeObserverFactoryProvider(final ObserverFactoryProvider newObserverFactoryProvider) {
94: this.observerFactoryProvider = newObserverFactoryProvider;
95: return this;
96: }
97:
98: @Override
99: public Game<FGPlayer, FGState, FGMove, FGStrategy> build(final int id)
100: throws GameException, InterruptedException {
101:• if (!this.firstPlayer.isPresent() || !this.secondPlayer.isPresent()) {
102: throw new GameException("A FG game needs two players.");
103: }
104:
105: final FGStateImpl initialState = new FGStateImpl(this.firstPlayer.get(), this.secondPlayer.get());
106:
107: final Map<String, FGStrategy> strategies = new LinkedHashMap<>();
108: strategies.put(initialState.getFirstPlayer().getName(), this.firstPlayerStrategy.orElseThrow());
109: strategies.put(initialState.getSecondPlayer().getName(), this.secondPlayerStrategy.orElseThrow());
110: return new DefaultGame<>(
111: id,
112: initialState,
113: strategies,
114: this.maxComputationTimePerMove,
115: AbstractFGMove.class::isInstance,
116: new FGMoveGeneratorImpl(),
117: this.observerFactoryProvider);
118: }
119: }