From aafe04db51c4289a37bf3331b0d595ec1a8cef78 Mon Sep 17 00:00:00 2001
From: Mark Paluch <mpaluch@pivotal.io>
Date: Mon, 24 Sep 2018 09:50:49 -0400
Subject: [PATCH] #436 - Add Redis QbE (Query by Example) example.

---
 .../redis/repositories/PersonRepository.java     |  3 ++-
 .../repositories/PersonRepositoryTests.java      | 16 ++++++++++++++++
 2 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/redis/repositories/src/main/java/example/springdata/redis/repositories/PersonRepository.java b/redis/repositories/src/main/java/example/springdata/redis/repositories/PersonRepository.java
index cfcbf1b5..8fba43ff 100644
--- a/redis/repositories/src/main/java/example/springdata/redis/repositories/PersonRepository.java
+++ b/redis/repositories/src/main/java/example/springdata/redis/repositories/PersonRepository.java
@@ -21,12 +21,13 @@ import org.springframework.data.domain.Page;
 import org.springframework.data.domain.Pageable;
 import org.springframework.data.geo.Circle;
 import org.springframework.data.repository.CrudRepository;
+import org.springframework.data.repository.query.QueryByExampleExecutor;
 
 /**
  * @author Christoph Strobl
  * @author Mark Paluch
  */
-interface PersonRepository extends CrudRepository<Person, String> {
+interface PersonRepository extends CrudRepository<Person, String>, QueryByExampleExecutor<Person> {
 
 	List<Person> findByLastname(String lastname);
 
diff --git a/redis/repositories/src/test/java/example/springdata/redis/repositories/PersonRepositoryTests.java b/redis/repositories/src/test/java/example/springdata/redis/repositories/PersonRepositoryTests.java
index bad639e8..bd3df118 100644
--- a/redis/repositories/src/test/java/example/springdata/redis/repositories/PersonRepositoryTests.java
+++ b/redis/repositories/src/test/java/example/springdata/redis/repositories/PersonRepositoryTests.java
@@ -33,6 +33,7 @@ import org.junit.rules.RuleChain;
 import org.junit.runner.RunWith;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.data.domain.Example;
 import org.springframework.data.domain.Page;
 import org.springframework.data.domain.PageRequest;
 import org.springframework.data.domain.Pageable;
@@ -144,6 +145,21 @@ public class PersonRepositoryTests {
 		assertThat(aryaAndJon).containsOnly(arya, jon);
 	}
 
+	/**
+	 * Find entities by {@link Example Query by Example}.
+	 */
+	@Test
+	public void findByQueryByExample() {
+
+		flushTestUsers();
+
+		Example<Person> example = Example.of(new Person(null, "stark", null));
+
+		Iterable<Person> starks = repository.findAll(example);
+
+		assertThat(starks).contains(arya, eddard).doesNotContain(jon);
+	}
+
 	/**
 	 * Find entities in range defined by {@link Pageable}.
 	 */