Make fields final

2 files changed, 4 insertions, 3 deletions

diff --git a/config-model/src/main/java/com/yahoo/vespa/model/builder/xml/dom/DomHandlerBuilder.java b/config-model/src/main/java/com/yahoo/vespa/model/builder/xml/dom/DomHandlerBuilder.java
index 3cf8ec7375f..ed53a1d2267 100644
--- a/config-model/src/main/java/com/yahoo/vespa/model/builder/xml/dom/DomHandlerBuilder.java
+++ b/config-model/src/main/java/com/yahoo/vespa/model/builder/xml/dom/DomHandlerBuilder.java
@@ -38,7 +38,7 @@ public class DomHandlerBuilder extends VespaDomBuilder.DomConfigProducerBuilderB
                    VIP_HANDLER_BINDING);
 
     private final ApplicationContainerCluster cluster;
-    private OptionalInt portBindingOverride;
+    private final OptionalInt portBindingOverride;
 
     public DomHandlerBuilder(ApplicationContainerCluster cluster) {
         this(cluster, OptionalInt.empty());
diff --git a/config-model/src/main/java/com/yahoo/vespa/model/utils/Duration.java b/config-model/src/main/java/com/yahoo/vespa/model/utils/Duration.java
index 5bb6d8cf6bf..f65b7a62f05 100644
--- a/config-model/src/main/java/com/yahoo/vespa/model/utils/Duration.java
+++ b/config-model/src/main/java/com/yahoo/vespa/model/utils/Duration.java
@@ -20,8 +20,9 @@ import java.util.regex.Pattern;
  * Default is seconds.
  */
 public class Duration {
-    private static Pattern pattern = Pattern.compile("([0-9\\.]+)\\s*([a-z]+)?");
-    private static Map<String, Integer> unitMultiplier = new HashMap<>();
+
+    private static final Pattern pattern = Pattern.compile("([0-9\\.]+)\\s*([a-z]+)?");
+    private static final Map<String, Integer> unitMultiplier = new HashMap<>();
     static {
         unitMultiplier.put("s", 1000);
         unitMultiplier.put("d", 1000 * 3600 * 24);