Add @nullable annotation to JdbcPetVisitExtractor.mapForeignKey

glts · Apr 3, 2016 · 5398ab4 · 5398ab4
1 parent 659807b
commit 5398ab4
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/...ain/java/org/springframework/samples/petclinic/repository/jdbc/JdbcPetVisitExtractor.java b/...ain/java/org/springframework/samples/petclinic/repository/jdbc/JdbcPetVisitExtractor.java
@@ -22,6 +22,8 @@
 import java.sql.ResultSet;
 import java.sql.SQLException;
 
+import javax.annotation.Nullable;
+
 /**
  * {@link ResultSetExtractor} implementation by using the
  * {@link OneToManyResultSetExtractor} of Spring Data Core JDBC Extensions.
@@ -39,6 +41,7 @@ protected Integer mapPrimaryKey(ResultSet rs) throws SQLException {
     }
 
     @Override
+    @Nullable
     protected Integer mapForeignKey(ResultSet rs) throws SQLException {
         if (rs.getObject("visits.pet_id") == null) {
             return null;