first commit

backend/src/main/java/com/xuezhanmaster/game/domain/GameSession.java

@@ -0,0 +1,45 @@
+package com.xuezhanmaster.game.domain;
+
+import com.xuezhanmaster.game.event.GameEvent;
+
+import java.util.ArrayList;
+import java.time.Instant;
+import java.util.List;
+import java.util.UUID;
+
+public class GameSession {
+
+    private final String gameId;
+    private final String roomId;
+    private final Instant createdAt;
+    private final GameTable table;
+    private final List<GameEvent> events;
+
+    public GameSession(String roomId, GameTable table) {
+        this.gameId = UUID.randomUUID().toString();
+        this.roomId = roomId;
+        this.createdAt = Instant.now();
+        this.table = table;
+        this.events = new ArrayList<>();
+    }
+
+    public String getGameId() {
+        return gameId;
+    }
+
+    public String getRoomId() {
+        return roomId;
+    }
+
+    public Instant getCreatedAt() {
+        return createdAt;
+    }
+
+    public GameTable getTable() {
+        return table;
+    }
+
+    public List<GameEvent> getEvents() {
+        return events;
+    }
+}