Move file and add interface to improve Archi Hexa

src/main/kotlin/eventDemo/adapter/infrastructureLayer/event/GameEventBusInMemory.kt

@@ -0,0 +1,11 @@
+package eventDemo.adapter.infrastructureLayer.event
+
+import eventDemo.business.entity.GameId
+import eventDemo.business.event.GameEventBus
+import eventDemo.business.event.event.GameEvent
+import eventDemo.libs.event.EventBus
+import eventDemo.libs.event.EventBusInMemory
+
+class GameEventBusInMemory :
+  GameEventBus,
+  EventBus<GameEvent, GameId> by EventBusInMemory<GameEvent, GameId>()

src/main/kotlin/eventDemo/adapter/infrastructureLayer/event/GameEventStoreInMemory.kt

@@ -0,0 +1,14 @@
+package eventDemo.adapter.infrastructureLayer.event
+
+import eventDemo.business.entity.GameId
+import eventDemo.business.event.GameEventStore
+import eventDemo.business.event.event.GameEvent
+import eventDemo.libs.event.EventStore
+import eventDemo.libs.event.EventStoreInMemory
+
+/**
+ * A stream to publish and read the played card event.
+ */
+class GameEventStoreInMemory :
+  GameEventStore,
+  EventStore<GameEvent, GameId> by EventStoreInMemory()

src/main/kotlin/eventDemo/adapter/infrastructureLayer/event/projection/GameStateRepository.kt

@@ -0,0 +1,48 @@
+package eventDemo.adapter.infrastructureLayer.event.projection
+
+import eventDemo.business.entity.GameId
+import eventDemo.business.event.GameEventHandler
+import eventDemo.business.event.GameEventStore
+import eventDemo.business.event.event.GameEvent
+import eventDemo.business.event.projection.GameState
+import eventDemo.business.event.projection.GameStateRepository
+import eventDemo.business.event.projection.apply
+import eventDemo.libs.event.projection.ProjectionSnapshotRepositoryInMemory
+import eventDemo.libs.event.projection.SnapshotConfig
+
+class GameStateRepositoryInMemory(
+  eventStore: GameEventStore,
+  eventHandler: GameEventHandler,
+  snapshotConfig: SnapshotConfig = SnapshotConfig(),
+) : GameStateRepository {
+  private val projectionsSnapshot =
+    ProjectionSnapshotRepositoryInMemory(
+      eventStore = eventStore,
+      snapshotCacheConfig = snapshotConfig,
+      applyToProjection = GameState::apply,
+      initialStateBuilder = { aggregateId: GameId -> GameState(aggregateId) },
+    )
+
+  init {
+    eventHandler.registerProjectionBuilder { event ->
+      projectionsSnapshot.applyAndPutToCache(event)
+    }
+  }
+
+  /**
+   * Get the last version of the [GameState] from the all eventStream.
+   *
+   * It fetches it from the local cache if possible, otherwise it builds it.
+   */
+  override fun getLast(gameId: GameId): GameState =
+    projectionsSnapshot.getLast(gameId)
+
+  /**
+   * Get the [GameState] to the specific [event][GameEvent].
+   * It does not contain the [events][GameEvent] it after this one.
+   *
+   * It fetches it from the local cache if possible, otherwise it builds it.
+   */
+  override fun getUntil(event: GameEvent): GameState =
+    projectionsSnapshot.getUntil(event)
+}