Add a method to set a "not in" WHERE clause in CriteriaQueryBuilder (#1225)

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core/src/main/java/google/registry/persistence/transaction/CriteriaQueryBuilder.java

@@ -62,6 +62,13 @@ public class CriteriaQueryBuilder<T> {
     return where(root.get(fieldName).in(values));
   }
 
+  /**
+   * Adds a WHERE clause to the query specifying that a value must not be in the given collection.
+   */
+  public CriteriaQueryBuilder<T> whereFieldIsNotIn(String fieldName, Collection<?> values) {
+    return where(root.get(fieldName).in(values).not());
+  }
+
   /**
    * Adds a WHERE clause to the query specifying that a collection field must contain a particular
    * value.

core/src/test/java/google/registry/persistence/transaction/CriteriaQueryBuilderTest.java

@@ -152,6 +152,21 @@ class CriteriaQueryBuilderTest {
     assertThat(result).containsExactly(entity3).inOrder();
   }
 
+  @Test
+  void testSuccess_where_not_in_twoResults() {
+    List<CriteriaQueryBuilderTestEntity> result =
+        jpaTm()
+            .transact(
+                () -> {
+                  CriteriaQuery<CriteriaQueryBuilderTestEntity> query =
+                      CriteriaQueryBuilder.create(CriteriaQueryBuilderTestEntity.class)
+                          .whereFieldIsNotIn("data", ImmutableList.of("aaa", "bbb"))
+                          .build();
+                  return jpaTm().query(query).getResultList();
+                });
+    assertThat(result).containsExactly(entity1, entity2).inOrder();
+  }
+
   @Test
   void testSuccess_where_in_twoResults() {
     List<CriteriaQueryBuilderTestEntity> result =