Fixed NullPointerException when using ExistsFilter

1 files changed, 7 insertions, 0 deletions

diff --git a/src/main/java/com/amazon/carbonado/qe/FilteringScore.java b/src/main/java/com/amazon/carbonado/qe/FilteringScore.java
index 5c26d5d..5b76a6d 100644
--- a/src/main/java/com/amazon/carbonado/qe/FilteringScore.java
+++ b/src/main/java/com/amazon/carbonado/qe/FilteringScore.java
@@ -28,6 +28,7 @@ import java.util.List;
 import com.amazon.carbonado.Storable;

 

 import com.amazon.carbonado.filter.AndFilter;

+import com.amazon.carbonado.filter.ExistsFilter;

 import com.amazon.carbonado.filter.Filter;

 import com.amazon.carbonado.filter.OrFilter;

 import com.amazon.carbonado.filter.PropertyFilter;

@@ -779,6 +780,12 @@ public class FilteringScore<S extends Storable> {
                 return filter.getLeftFilter().accept(this, param)

                     && filter.getRightFilter().accept(this, param);

             }

+            

+            @Override

+            public Boolean visit(ExistsFilter<S> filter, Object param) {

+                // Assume that an ExistsFilter is not going to be indexed.

+                return false;

+            }

 

             @Override

             public Boolean visit(PropertyFilter<S> filter, Object param) {