From 3d1676170a3a3f1649c71b48df9ac063cb591067 Mon Sep 17 00:00:00 2001
From: Grahame Grieve <grahameg@gmail.com>
Date: Fri, 27 Aug 2021 10:41:43 +1000
Subject: [PATCH] fixes for processing code validation outcomes

---
 .../main/java/org/hl7/fhir/r5/context/IWorkerContext.java | 8 +++++++-
 .../org/hl7/fhir/r5/terminologies/ValueSetExpander.java   | 5 ++++-
 2 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/context/IWorkerContext.java b/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/context/IWorkerContext.java
index e135c99a1..2d1c648af 100644
--- a/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/context/IWorkerContext.java
+++ b/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/context/IWorkerContext.java
@@ -626,7 +626,13 @@ public interface IWorkerContext {
       return message != null;
     }
     
-    
+    public Coding asCoding() {
+      if (isOk() && definition != null && definition.getCode() != null) {
+        return new Coding(system, definition.getCode(), definition.getDisplay());
+      } else {
+        return null;
+      }
+    }
   }
 
   /**
diff --git a/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/terminologies/ValueSetExpander.java b/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/terminologies/ValueSetExpander.java
index 8b4f98c2f..5582c30b4 100644
--- a/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/terminologies/ValueSetExpander.java
+++ b/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/terminologies/ValueSetExpander.java
@@ -123,7 +123,10 @@ public interface ValueSetExpander {
     public List<String> getAllErrors() {
       return allErrors;
     }
-
+    
+    public boolean isOk() {
+      return (allErrors.isEmpty() || (allErrors.size() == 1 && allErrors.get(0) == null)) && error == null;
+    }
   }
 /**
  *