Check if Dependency Resolver is configured to avoid a `NullReferenceE…

…xception`
akkadotnet · Oct 16, 2018 · 9d2a26c · 9d2a26c
1 parent e408e3d
commit 9d2a26c
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diff --git a/src/contrib/dependencyinjection/Akka.DI.Core/DIActorContextAdapter.cs b/src/contrib/dependencyinjection/Akka.DI.Core/DIActorContextAdapter.cs
@@ -26,11 +26,15 @@ public class DIActorContextAdapter
         /// <exception cref="ArgumentNullException">
         /// This exception is thrown when the specified <paramref name="context"/> is undefined.
         /// </exception>
+        /// <exception cref="InvalidOperationException">
+        /// This exception is thrown when the Dependency Resolver has not been configured in the <see cref="ActorSystem" />.
+        /// </exception>
         public DIActorContextAdapter(IActorContext context)
         {
             if (context == null) throw new ArgumentNullException(nameof(context), $"DIActorContextAdapter requires {nameof(context)} to be provided");
             this.context = context;
             this.producer = context.System.GetExtension<DIExt>();
+            if (producer == null) throw new InvalidOperationException("The Dependency Resolver has not been configured yet");
         }
 
         /// <summary>

diff --git a/src/contrib/dependencyinjection/Akka.DI.Core/DIActorSystemAdapter.cs b/src/contrib/dependencyinjection/Akka.DI.Core/DIActorSystemAdapter.cs
@@ -26,11 +26,15 @@ public class DIActorSystemAdapter
         /// <exception cref="ArgumentNullException">
         /// This exception is thrown when the specified <paramref name="system"/> is undefined.
         /// </exception>
+        /// <exception cref="InvalidOperationException">
+        /// This exception is thrown when the Dependency Resolver has not been configured in the <see cref="ActorSystem" />.
+        /// </exception>
         public DIActorSystemAdapter(ActorSystem system)
         {
             if (system == null) throw new ArgumentNullException(nameof(system), $"DIActorSystemAdapter requires {nameof(system)} to be provided");
             this.system = system;
             this.producer = system.GetExtension<DIExt>();
+            if (producer == null) throw new InvalidOperationException("The Dependency Resolver has not been configured yet");
         }
 
         /// <summary>