#35 - Added example for Map-based repositories.

map/pom.xml

@@ -0,0 +1,37 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+
+	<artifactId>spring-data-map-repositories-example</artifactId>
+
+	<name>Spring Data - Map repositories example</name>
+
+	<parent>
+		<groupId>org.springframework.data.examples</groupId>
+		<artifactId>spring-data-examples</artifactId>
+		<version>1.0.0.BUILD-SNAPSHOT</version>
+	</parent>
+
+	<dependencies>
+
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter</artifactId>
+		</dependency>
+
+		<dependency>
+			<groupId>org.springframework.data</groupId>
+			<artifactId>spring-data-keyvalue</artifactId>
+			<version>0.1.0.BUILD-SNAPSHOT</version>
+		</dependency>
+
+	</dependencies>
+
+	<repositories>
+		<repository>
+			<id>spring-libs-snapshot</id>
+			<url>https://repos.spring.io/libs-snapshot</url>
+		</repository>
+	</repositories>
+
+</project>

map/src/main/java/example/Person.java

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+/*
+ * Copyright 2014 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package example;
+
+import java.util.UUID;
+
+import lombok.EqualsAndHashCode;
+import lombok.Getter;
+import lombok.RequiredArgsConstructor;
+
+import org.springframework.data.annotation.Id;
+
+/**
+ * A domain type.
+ * 
+ * @author Oliver Gierke
+ */
+@RequiredArgsConstructor
+@Getter
+@EqualsAndHashCode
+public class Person {
+
+	private final @Id UUID id = UUID.randomUUID();
+	private final String firstname, lastname;
+	private final int age;
+}

map/src/main/java/example/PersonRepository.java

@@ -0,0 +1,37 @@
+/*
+ * Copyright 2014 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package example;
+
+import java.util.List;
+import java.util.UUID;
+
+import org.springframework.data.repository.CrudRepository;
+
+/**
+ * A repository for {@link Person} instances.
+ * 
+ * @author Oliver Gierke
+ */
+public interface PersonRepository extends CrudRepository<Person, UUID> {
+
+	/**
+	 * Returns all person older than the given age.
+	 * 
+	 * @param age
+	 * @return
+	 */
+	List<Person> findByAgeGreaterThan(int age);
+}

map/src/test/java/example/PersonRepositoryIntegrationTest.java

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+/*
+ * Copyright 2014 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package example;
+
+import static org.hamcrest.CoreMatchers.*;
+import static org.junit.Assert.*;
+
+import java.util.List;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.SpringApplicationConfiguration;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.data.map.repository.config.EnableMapRepositories;
+import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
+
+/**
+ * Integration tests for {@link PersonRepository}.
+ * 
+ * @author Oliver Gierke
+ */
+@RunWith(SpringJUnit4ClassRunner.class)
+@SpringApplicationConfiguration
+public class PersonRepositoryIntegrationTest {
+
+	@Configuration
+	@EnableMapRepositories
+	static class Config {}
+
+	@Autowired PersonRepository repository;
+
+	@Test
+	public void storesPerson() {
+
+		Person person = repository.save(new Person("Dave", "Matthews", 47));
+
+		assertThat(repository.findOne(person.getId()), is(person));
+	}
+
+	@Test
+	public void findsPersonByAge() {
+
+		Person dave = repository.save(new Person("Dave", "Matthews", 47));
+		Person oliver = repository.save(new Person("Oliver August", "Matthews", 7));
+
+		List<Person> result = repository.findByAgeGreaterThan(18);
+
+		assertThat(result, hasItem(dave));
+		assertThat(result, not(hasItem(oliver)));
+	}
+}