Create the Random instance only once

Author: slinkydeveloper

sdk-api-kotlin/src/main/kotlin/dev/restate/sdk/kotlin/ContextImpl.kt

@@ -34,6 +34,8 @@ internal constructor(
     internal val contextSerdeFactory: SerdeFactory,
 ) : WorkflowContext {
 
+  internal val random: RestateRandom = RestateRandom(handlerContext.request().invocationId().toRandomSeed());
+
   override fun key(): String {
     return this.handlerContext.objectKey()
   }
@@ -191,7 +193,7 @@ internal constructor(
   }
 
   override fun random(): RestateRandom {
-    return RestateRandom(handlerContext.request().invocationId().toRandomSeed())
+    return this.random
   }
 
   override fun <T : Any> promise(key: DurablePromiseKey<T>): DurablePromise<T> {

sdk-api/src/main/java/dev/restate/sdk/ContextImpl.java

@@ -36,11 +36,13 @@ class ContextImpl implements ObjectContext, WorkflowContext {
   private final HandlerContext handlerContext;
   private final Executor serviceExecutor;
   private final SerdeFactory serdeFactory;
+  private final RestateRandom random;
 
   ContextImpl(HandlerContext handlerContext, Executor serviceExecutor, SerdeFactory serdeFactory) {
     this.handlerContext = handlerContext;
     this.serviceExecutor = serviceExecutor;
     this.serdeFactory = serdeFactory;
+    this.random = new RestateRandom(this.request().invocationId().toRandomSeed());
   }
 
   static void checkNotInsideRun() {
@@ -275,7 +277,7 @@ public void reject(String reason) {
 
   @Override
   public RestateRandom random() {
-    return new RestateRandom(this.request().invocationId().toRandomSeed());
+    return this.random;
   }
 
   @Override