Use an SettableOptional to handle xml processing independant of element order.

1 files changed, 4 insertions, 0 deletions

diff --git a/vespajlib/src/main/java/com/yahoo/lang/SettableOptional.java b/vespajlib/src/main/java/com/yahoo/lang/SettableOptional.java
index e83a6c3f308..47150876cab 100644
--- a/vespajlib/src/main/java/com/yahoo/lang/SettableOptional.java
+++ b/vespajlib/src/main/java/com/yahoo/lang/SettableOptional.java
@@ -37,6 +37,10 @@ public final class SettableOptional<T> {
     public void set(T value) {
         this.value = value;
     }
+
+    public void set(Optional<T> value) {
+        this.value = value.isPresent() ? value.get() : null;
+    }
     
     public Optional<T> asOptional() {
         if (value == null) return Optional.empty();