- Use a Supplier<Identifable> to construct objects from id.

- Provide lambda for default constructing frequently used objects
  to avoid reflection.

1 files changed, 2 insertions, 2 deletions

diff --git a/searchlib/src/main/java/com/yahoo/searchlib/aggregation/StandardDeviationAggregationResult.java b/searchlib/src/main/java/com/yahoo/searchlib/aggregation/StandardDeviationAggregationResult.java
index c6ece6a2525..91716f00750 100644
--- a/searchlib/src/main/java/com/yahoo/searchlib/aggregation/StandardDeviationAggregationResult.java
+++ b/searchlib/src/main/java/com/yahoo/searchlib/aggregation/StandardDeviationAggregationResult.java
@@ -11,7 +11,7 @@ import com.yahoo.vespa.objects.Serializer;
  * @author bjorncs
  */
 public class StandardDeviationAggregationResult extends AggregationResult  {
-    public static final int classId = registerClass(0x4000 + 89, StandardDeviationAggregationResult.class);
+    public static final int classId = registerClass(0x4000 + 89, StandardDeviationAggregationResult.class, StandardDeviationAggregationResult::new);
 
     private long count;
     private double sum;
@@ -56,7 +56,7 @@ public class StandardDeviationAggregationResult extends AggregationResult  {
     @Override
     protected boolean equalsAggregation(AggregationResult obj) {
         StandardDeviationAggregationResult other = (StandardDeviationAggregationResult) obj;
-        return count == this.count && sum == other.sum && sumOfSquared == other.sumOfSquared;
+        return count == other.count && sum == other.sum && sumOfSquared == other.sumOfSquared;
     }
 
     @Override