changes to sync

wizard-core/src/main/java/eu/jonahbauer/wizard/core/machine/Game.java

@@ -4,6 +4,7 @@ import eu.jonahbauer.wizard.common.machine.TimeoutContext;
 import eu.jonahbauer.wizard.common.messages.observer.ObserverMessage;
 import eu.jonahbauer.wizard.common.messages.observer.StateMessage;
 import eu.jonahbauer.wizard.common.messages.player.PlayerMessage;
+import eu.jonahbauer.wizard.core.machine.states.TransientState;
 import eu.jonahbauer.wizard.core.machine.states.game.Created;
 import eu.jonahbauer.wizard.core.machine.states.game.Error;
 import eu.jonahbauer.wizard.core.messages.Observer;
@@ -57,7 +58,9 @@ public final class Game extends TimeoutContext<GameState, Game> {
 
     @Override
     protected void onTransition(GameState from, GameState to) {
-        notify(new StateMessage(to != null ? Util.toSnakeCase(to.getClass().getSimpleName()) : "null"));
+        if (!(to instanceof TransientState)) {
+            notify(new StateMessage(to != null ? Util.toSnakeCase(to.getClass().getSimpleName()) : "null"));
+        }
     }
 
     @Override

wizard-core/src/main/java/eu/jonahbauer/wizard/core/machine/GameState.java

@@ -3,12 +3,14 @@ package eu.jonahbauer.wizard.core.machine;
 import eu.jonahbauer.wizard.common.machine.TimeoutState;
 import eu.jonahbauer.wizard.common.messages.player.PlayerMessage;
 import eu.jonahbauer.wizard.core.machine.states.GameData;
+import eu.jonahbauer.wizard.core.machine.states.SyncState;
 import lombok.Getter;
 import org.jetbrains.annotations.Unmodifiable;
 
 import java.util.List;
 import java.util.Optional;
 import java.util.UUID;
+import java.util.function.Function;
 
 import static eu.jonahbauer.wizard.core.machine.states.GameData.CURRENT_PLAYER;
 import static eu.jonahbauer.wizard.core.machine.states.GameData.PLAYERS;
@@ -44,6 +46,14 @@ public abstract class GameState implements TimeoutState<GameState, Game> {
     protected final long getSyncTimeout(Game game, boolean absolute) {
         return (absolute ? System.currentTimeMillis() : 0) + game.getConfig().syncTimeout();
     }
+
+    protected final Optional<GameState> sync(Function<GameData, GameState> state) {
+        return sync(getData(), state);
+    }
+
+    protected final Optional<GameState> sync(GameData data, Function<GameData, GameState> state) {
+        return Optional.of(new SyncState(data, state));
+    }
     //</editor-fold>
 
     public Optional<GameState> onMessage(Game game, UUID player, PlayerMessage message) {

wizard-core/src/main/java/eu/jonahbauer/wizard/core/machine/states/GameData.java

@@ -205,6 +205,11 @@ public final class GameData {
         return this;
     }
 
+    public GameData keepAll() {
+        Arrays.fill(required, true);
+        return this;
+    }
+
     /**
      * Returns {@code this} if this map contains a mapping for each of the specified keys or throws a
      * {@link NoSuchElementException} otherwise.

wizard-core/src/main/java/eu/jonahbauer/wizard/core/machine/states/SyncState.java

@@ -11,15 +11,18 @@ import java.util.HashSet;
 import java.util.Optional;
 import java.util.Set;
 import java.util.UUID;
+import java.util.function.Function;
 
 import static eu.jonahbauer.wizard.common.messages.observer.UserInputMessage.Action.SYNC;
 import static eu.jonahbauer.wizard.core.machine.states.GameData.PLAYERS;
 
-public abstract class SyncState extends GameState {
+public final class SyncState extends GameState implements TransientState {
     private final transient Set<UUID> ready = new HashSet<>();
+    private final Function<GameData, GameState> nextState;
 
-    public SyncState(GameData data) {
+    public SyncState(GameData data, Function<GameData, GameState> nextState) {
-        super(data);
+        super(data.keepAll());
+        this.nextState = nextState;
     }
 
     @Override
@@ -34,7 +37,7 @@ public abstract class SyncState extends GameState {
             ready.add(player);
 
             if (ready.size() == get(PLAYERS).size()) {
-                return Optional.of(getNextState());
+                return Optional.of(nextState.apply(getData()));
             } else {
                 return Optional.empty();
             }
@@ -46,8 +49,6 @@ public abstract class SyncState extends GameState {
     @Override
     public Optional<GameState> onTimeout(Game game) {
         game.notify(new TimeoutMessage());
-        return Optional.of(getNextState());
+        return Optional.of(nextState.apply(getData()));
     }
-
-    protected abstract GameState getNextState();
 }

wizard-core/src/main/java/eu/jonahbauer/wizard/core/machine/states/TransientState.java

@@ -0,0 +1,4 @@
+package eu.jonahbauer.wizard.core.machine.states;
+
+public interface TransientState {
+}

wizard-core/src/main/java/eu/jonahbauer/wizard/core/machine/states/round/Dealing.java

@@ -37,11 +37,12 @@ public final class Dealing extends RoundState {
         }
 
         Card trumpCard = deck.draw();
-        return transition(new DeterminingTrump(
+        return sync(
                 getData().with(
                         HANDS, Map.copyOf(hands),
                         TRUMP_CARD, trumpCard
-                )
+                ),
-        ));
+                DeterminingTrump::new
+        );
     }
 }

wizard-core/src/main/java/eu/jonahbauer/wizard/core/machine/states/round/DeterminingTrump.java

@@ -103,6 +103,6 @@ public final class DeterminingTrump extends RoundState {
         } else {
             game.notify(new TrumpMessage(get(TRUMP_CARD), trumpSuit));
         }
-        return transition(new TrumpDetermined(data));
+        return sync(data, Predicting::new);
     }
 }

wizard-core/src/main/java/eu/jonahbauer/wizard/core/machine/states/round/StartingRound.java

@@ -1,17 +1,19 @@
 package eu.jonahbauer.wizard.core.machine.states.round;
 
+import eu.jonahbauer.wizard.core.machine.Game;
 import eu.jonahbauer.wizard.core.machine.GameState;
 import eu.jonahbauer.wizard.core.machine.states.GameData;
-import eu.jonahbauer.wizard.core.machine.states.SyncState;
 
-public final class StartingRound extends SyncState {
+import java.util.Optional;
+
+public final class StartingRound extends RoundState {
 
     public StartingRound(GameData data) {
-        super(RoundState.requirements(data));
+        super(data);
     }
 
     @Override
-    protected GameState getNextState() {
+    public Optional<GameState> onEnter(Game context) {
-        return new Dealing(getData());
+        return sync(Dealing::new);
     }
 }

wizard-core/src/main/java/eu/jonahbauer/wizard/core/machine/states/round/TrumpDetermined.java

@@ -1,19 +0,0 @@
-package eu.jonahbauer.wizard.core.machine.states.round;
-
-import eu.jonahbauer.wizard.core.machine.GameState;
-import eu.jonahbauer.wizard.core.machine.states.GameData;
-import eu.jonahbauer.wizard.core.machine.states.SyncState;
-
-import static eu.jonahbauer.wizard.core.machine.states.GameData.*;
-
-public final class TrumpDetermined extends SyncState {
-
-    public TrumpDetermined(GameData data) {
-        super(RoundState.requirements(data).requireEach(PLAYERS, HANDS).require(PREDICTIONS, TRUMP_SUIT, CURRENT_PLAYER));
-    }
-
-    @Override
-    protected GameState getNextState() {
-        return new Predicting(getData());
-    }
-}

wizard-core/src/main/java/eu/jonahbauer/wizard/core/machine/states/trick/StartingTrick.java

@@ -1,18 +1,21 @@
 package eu.jonahbauer.wizard.core.machine.states.trick;
 
+import eu.jonahbauer.wizard.core.machine.Game;
 import eu.jonahbauer.wizard.core.machine.GameState;
 import eu.jonahbauer.wizard.core.machine.states.GameData;
 import eu.jonahbauer.wizard.core.machine.states.SyncState;
 import eu.jonahbauer.wizard.core.machine.states.round.RoundState;
 
-public final class StartingTrick extends SyncState {
+import java.util.Optional;
+
+public final class StartingTrick extends TrickState {
 
     public StartingTrick(GameData data) {
-        super(RoundState.requirements(TrickState.requirements(data)));
+        super(data);
     }
 
     @Override
-    protected GameState getNextState() {
+    public Optional<GameState> onEnter(Game context) {
-        return new PlayingCard(getData());
+        return sync(PlayingCard::new);
     }
 }

wizard-core/src/test/java/eu/jonahbauer/wizard/core/machine/states/round/DeterminingTrumpTest.java

@@ -8,6 +8,7 @@ import eu.jonahbauer.wizard.common.model.Card;
 import eu.jonahbauer.wizard.core.machine.Game;
 import eu.jonahbauer.wizard.core.machine.MessageQueue;
 import eu.jonahbauer.wizard.core.machine.states.GameData;
+import eu.jonahbauer.wizard.core.machine.states.SyncState;
 import eu.jonahbauer.wizard.core.machine.states.game.Finished;
 import eu.jonahbauer.wizard.core.model.GameConfiguration;
 import eu.jonahbauer.wizard.core.model.Configurations;
@@ -38,7 +39,7 @@ public class DeterminingTrumpTest {
     @SuppressWarnings("SameParameterValue")
     private Game performTest(GameConfiguration configuration, int round, Map<UUID, List<Card>> hands, Card trumpCard, MessageQueue queue) {
         Game game = spy(new Game(configuration, queue));
-        doFinish().when(game).transition(any(TrumpDetermined.class));
+        doFinish().when(game).transition(any(SyncState.class));
         queue.setGame(game);
 
         var playerList = List.of(players);
@@ -76,7 +77,7 @@ public class DeterminingTrumpTest {
         InOrder order = inOrder(game);
         order.verify(game).notify(any(StateMessage.class)); // determining trump
         order.verify(game).notify(argThat(msg -> msg instanceof TrumpMessage trump && trump.getCard() == Card.YELLOW_1 && trump.getSuit() == Card.Suit.YELLOW));
-        order.verify(game).transition(any(TrumpDetermined.class)); // round is finished
+        order.verify(game).transition(any(SyncState.class)); // round is finished
         order.verify(game).notify(any(StateMessage.class)); // finish
         order.verify(game, never()).notify(any());
         order.verify(game, never()).notify(any(), any());
@@ -100,7 +101,7 @@ public class DeterminingTrumpTest {
         InOrder order = inOrder(game);
         order.verify(game).notify(any(StateMessage.class)); // determining trump
         order.verify(game).notify(argThat(msg -> msg instanceof TrumpMessage trump && trump.getCard() == Card.GREEN_JESTER && trump.getSuit() == Card.Suit.NONE));
-        order.verify(game).transition(any(TrumpDetermined.class));
+        order.verify(game).transition(any(SyncState.class));
         order.verify(game).notify(any(StateMessage.class)); // finish
         order.verify(game, never()).notify(any());
         order.verify(game, never()).notify(any(), any());
@@ -127,7 +128,7 @@ public class DeterminingTrumpTest {
         order.verify(game).notify(argThat(msg -> msg instanceof TrumpMessage trump && trump.getCard() == Card.BLUE_WIZARD && trump.getSuit() == null));
         order.verify(game).notify(any(UserInputMessage.class)); // user input request
         order.verify(game).notify(argThat(msg -> msg instanceof TrumpMessage trump && trump.getCard() == Card.BLUE_WIZARD && trump.getSuit() == Card.Suit.GREEN));
-        order.verify(game).transition(any(TrumpDetermined.class));
+        order.verify(game).transition(any(SyncState.class));
         order.verify(game).notify(any(StateMessage.class)); // finish
         order.verify(game, never()).notify(any());
         order.verify(game, never()).notify(any(), any());
@@ -156,7 +157,7 @@ public class DeterminingTrumpTest {
         order.verify(game).notify(any(UserInputMessage.class)); // user input request
         order.verify(game).notify(argThat(msg -> msg instanceof TrumpMessage trump && trump.getCard() == Card.WEREWOLF && trump.getSuit() == Card.Suit.YELLOW));
         order.verify(game).notify(eq(players[3]), any(HandMessage.class)); // swap trump card and werewolf
-        order.verify(game).transition(any(TrumpDetermined.class));
+        order.verify(game).transition(any(SyncState.class));
         order.verify(game).notify(any(StateMessage.class)); // finish
         order.verify(game, never()).notify(any());
         order.verify(game, never()).notify(any(), any());

wizard-core/src/test/java/eu/jonahbauer/wizard/core/machine/states/round/RoundTest.java

@@ -55,8 +55,9 @@ public class RoundTest {
     @Test
     public void run_Simple() throws ExecutionException, InterruptedException {
         MessageQueue queue = new MessageQueue()
-                .sync(players)
+                .sync(players) // starting_round
-                .sync(players)
+                .sync(players) // dealing
+                .sync(players) // determining_trump
                 .addPrediction(players[3], 3)
                 .addPrediction(players[0], 0)
                 .addPrediction(players[1], 3)
@@ -114,7 +115,6 @@ public class RoundTest {
         order.verify(game, atLeast(4)).notify(any(), any(HandMessage.class)); // hands
         order.verify(game).notify(any(StateMessage.class)); // determining_trump
         order.verify(game).notify(any(TrumpMessage.class)); // trump
-        order.verify(game).notify(any(StateMessage.class)); // trump_determined
         for (int i = 0; i < players.length; i++) {
             order.verify(game).notify(any(StateMessage.class)); // predicting
             order.verify(game).notify(any(UserInputMessage.class)); // user input
@@ -148,6 +148,7 @@ public class RoundTest {
     @Test
     public void run_Anniversary() throws ExecutionException, InterruptedException {
         MessageQueue queue = new MessageQueue()
+                .sync(players)
                 .sync(players)
                 .addPickTrump(players[2], Card.Suit.YELLOW)
                 .sync(players)
@@ -242,7 +243,6 @@ public class RoundTest {
         order.verify(game).notify(any(UserInputMessage.class)); // user input
         order.verify(game).notify(any(TrumpMessage.class)); // trump
         order.verify(game).notify(any(), any(HandMessage.class)); // update hand
-        order.verify(game).notify(any(StateMessage.class)); // trump_determined
         for (int i = 0; i < players.length; i++) {
             order.verify(game).notify(any(StateMessage.class));
             order.verify(game).notify(any(UserInputMessage.class));