move EventStream method implementation into the interface

src/main/kotlin/eventDemo/libs/event/EventStore.kt

@@ -1,7 +1,12 @@
 package eventDemo.libs.event
 
+import io.github.oshai.kotlinlogging.withLoggingContext
+
 interface EventStore<E : Event<ID>, ID : AggregateId> {
   fun getStream(aggregateId: ID): EventStream<E>
 
-  fun publish(event: E)
+  fun publish(event: E) =
+    withLoggingContext("event" to event.toString()) {
+      getStream(event.aggregateId).publish(event)
+    }
 }

src/main/kotlin/eventDemo/libs/event/EventStoreInMemory.kt

@@ -1,6 +1,5 @@
 package eventDemo.libs.event
 
-import io.github.oshai.kotlinlogging.withLoggingContext
 import java.util.concurrent.ConcurrentHashMap
 import java.util.concurrent.ConcurrentMap
 
@@ -9,9 +8,4 @@ class EventStoreInMemory<E : Event<ID>, ID : AggregateId> : EventStore<E, ID> {
 
   override fun getStream(aggregateId: ID): EventStream<E> =
     streams.computeIfAbsent(aggregateId) { EventStreamInMemory() }
-
-  override fun publish(event: E) =
-    withLoggingContext("event" to event.toString()) {
-      getStream(event.aggregateId).publish(event)
-    }
 }

src/main/kotlin/eventDemo/libs/event/EventStream.kt

@@ -1,6 +1,7 @@
 package eventDemo.libs.event
 
 import eventDemo.libs.event.projection.Projection
+import io.github.oshai.kotlinlogging.withLoggingContext
 
 /**
  * Interface representing an event stream for publishing and reading domain events
@@ -10,12 +11,19 @@ interface EventStream<E : Event<*>> {
   fun publish(event: E)
 
   /** Publishes multiple events to the event stream */
-  fun publish(vararg events: E)
+  fun publish(vararg events: E) {
+    events.forEach {
+      withLoggingContext("event" to it.toString()) {
+        publish(it)
+      }
+    }
+  }
 
   /** Reads all events */
   fun readAll(): Set<E>
 
-  fun readGreaterOfVersion(version: Int): Set<E>
+  fun readGreaterOfVersion(version: Int): Set<E> =
+    readVersionBetween(version + 1..Int.MAX_VALUE)
 
   fun readVersionBetween(version: IntRange): Set<E>
 
@@ -25,5 +33,6 @@ interface EventStream<E : Event<*>> {
   ): Set<E> =
     readVersionBetween(((projection?.lastEventVersion ?: 0) + 1)..event.version)
 
-  fun getByVersion(version: Int): E?
+  fun getByVersion(version: Int): E? =
+    readVersionBetween(version..version).firstOrNull()
 }

src/main/kotlin/eventDemo/libs/event/EventStreamInMemory.kt

@@ -1,7 +1,6 @@
 package eventDemo.libs.event
 
 import io.github.oshai.kotlinlogging.KotlinLogging
-import io.github.oshai.kotlinlogging.withLoggingContext
 import java.util.Queue
 import java.util.concurrent.ConcurrentLinkedQueue
 
@@ -21,27 +20,11 @@ class EventStreamInMemory<E : Event<*>> : EventStream<E> {
     }
   }
 
-  override fun publish(vararg events: E) {
-    events.forEach {
-      withLoggingContext("event" to it.toString()) {
-        publish(it)
-      }
-    }
-  }
-
   override fun readAll(): Set<E> =
     events.toSet()
 
-  override fun readGreaterOfVersion(version: Int): Set<E> =
-    events
-      .filter { it.version > version }
-      .toSet()
-
   override fun readVersionBetween(version: IntRange): Set<E> =
     events
       .filter { version.contains(it.version) }
       .toSet()
-
-  override fun getByVersion(version: Int): E? =
-    events.find { version == it.version }
 }