From 713e12f1444ee707a8304ec5c18055ba78ccfdb8 Mon Sep 17 00:00:00 2001
From: John Blum <jblum@pivotal.io>
Date: Mon, 6 Apr 2020 09:15:15 -0700
Subject: [PATCH] DATAGEODE-302 - Annotate Filter with @FunctionalInterface.

---
 .../java/org/springframework/data/gemfire/util/Filter.java     | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/spring-data-geode/src/main/java/org/springframework/data/gemfire/util/Filter.java b/spring-data-geode/src/main/java/org/springframework/data/gemfire/util/Filter.java
index b39304fc..bff52b89 100644
--- a/spring-data-geode/src/main/java/org/springframework/data/gemfire/util/Filter.java
+++ b/spring-data-geode/src/main/java/org/springframework/data/gemfire/util/Filter.java
@@ -13,7 +13,6 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
 package org.springframework.data.gemfire.util;
 
 import java.util.function.Predicate;
@@ -25,9 +24,11 @@ import org.springframework.lang.Nullable;
  *
  * @author John Blum
  * @param <T> {@link Class type} of {@link Object objects} being filtered.
+ * @see java.lang.FunctionalInterface
  * @see java.util.function.Predicate
  * @since 1.0.0
  */
+@FunctionalInterface
 public interface Filter<T> extends Predicate<T> {
 
 	/**