Call out WorkflowRunOperation.fromWorkflowHandler (#735)

Author: Quinn-With-Two-Ns

core/src/main/java/io/temporal/samples/nexus/handler/NexusServiceImpl.java

@@ -47,7 +47,10 @@ public OperationHandler<NexusService.EchoInput, NexusService.EchoOutput> echo()
   @OperationImpl
   public OperationHandler<NexusService.HelloInput, NexusService.HelloOutput> hello() {
     // Use the WorkflowRunOperation.fromWorkflowMethod constructor, which is the easiest
-    // way to expose a workflow as an operation.
+    // way to expose a workflow as an operation. To expose a workflow with a different input
+    // parameters then the operation or from an untyped stub, use the
+    // WorkflowRunOperation.fromWorkflowHandler constructor and the appropriate constructor method
+    // on WorkflowHandle.
     return WorkflowRunOperation.fromWorkflowMethod(
         (ctx, details, input) ->
             Nexus.getOperationContext()

core/src/main/java/io/temporal/samples/nexuscontextpropagation/handler/NexusServiceImpl.java

@@ -59,7 +59,10 @@ public OperationHandler<NexusService.EchoInput, NexusService.EchoOutput> echo()
   @OperationImpl
   public OperationHandler<NexusService.HelloInput, NexusService.HelloOutput> hello() {
     // Use the WorkflowRunOperation.fromWorkflowMethod constructor, which is the easiest
-    // way to expose a workflow as an operation.
+    // way to expose a workflow as an operation. To expose a workflow with a different input
+    // parameters then the operation or from an untyped stub, use the
+    // WorkflowRunOperation.fromWorkflowHandler constructor and the appropriate constructor method
+    // on WorkflowHandle.
     return WorkflowRunOperation.fromWorkflowMethod(
         (ctx, details, input) ->
             Nexus.getOperationContext()