#7 - Added sample for Spring Data REST ALPS support and excerpt projections.

rest/pom.xml

@@ -17,6 +17,7 @@
 	<modules>
 		<module>starbucks</module>
 		<module>multi-store</module>
+		<module>projections</module>
 	</modules>
 
 	<properties>

rest/projections/pom.xml

@@ -0,0 +1,29 @@
+<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-rest-projections</artifactId>
+
+	<name>Spring Data REST - Projections Example</name>
+
+	<parent>
+		<groupId>org.springframework.data.examples</groupId>
+		<artifactId>spring-data-rest-examples</artifactId>
+		<version>1.0.0.BUILD-SNAPSHOT</version>
+	</parent>
+
+	<dependencies>
+
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-data-jpa</artifactId>
+		</dependency>
+
+		<dependency>
+			<groupId>org.hsqldb</groupId>
+			<artifactId>hsqldb</artifactId>
+		</dependency>
+
+	</dependencies>
+
+</project>

rest/projections/src/main/java/example/orders/Address.java

@@ -0,0 +1,52 @@
+/*
+ * 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.orders;
+
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.Id;
+
+import lombok.Data;
+import lombok.RequiredArgsConstructor;
+
+/**
+ * @author Oliver Gierke
+ */
+@Entity
+@Data
+@RequiredArgsConstructor
+public class Address {
+
+	@GeneratedValue @Id//
+	private Long id;
+	private final String street, zipCode, city, state;
+
+	Address() {
+
+		this.street = null;
+		this.zipCode = null;
+		this.city = null;
+		this.state = null;
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * @see java.lang.Object#toString()
+	 */
+	public String toString() {
+		return String.format("%s, %s %s, %s", street, zipCode, city, state);
+	}
+}

rest/projections/src/main/java/example/orders/Application.java

@@ -0,0 +1,54 @@
+/*
+ * 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.orders;
+
+import java.math.BigDecimal;
+
+import javax.annotation.PostConstruct;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+
+import example.orders.Customer.Gender;
+
+/**
+ * @author Oliver Gierke
+ */
+@EnableAutoConfiguration
+public class Application {
+
+	@Autowired CustomerRepository customers;
+	@Autowired OrderRepository orders;
+
+	public static void main(String... args) {
+		SpringApplication.run(Application.class, args);
+	}
+
+	@PostConstruct
+	public void init() {
+
+		Customer dave = customers.save(new Customer("Dave", "Matthews", Gender.MALE, //
+				new Address("4711 Some Place", "54321", "Charlottesville", "VA")));
+
+		Order order = new Order();
+
+		order.setCustomer(dave);
+		order.add(new LineItem("Lakewood guitar", new BigDecimal(1299.0)));
+
+		orders.save(order);
+	}
+}

rest/projections/src/main/java/example/orders/Customer.java

@@ -0,0 +1,52 @@
+/*
+ * 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.orders;
+
+import javax.persistence.CascadeType;
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.Id;
+import javax.persistence.OneToOne;
+
+import lombok.Data;
+import lombok.RequiredArgsConstructor;
+
+/**
+ * @author Oliver Gierke
+ */
+@Entity
+@Data
+@RequiredArgsConstructor
+public class Customer {
+
+	private @GeneratedValue @Id Long id;
+	private final String firstname, lastname;
+	private final Gender gender;
+
+	@OneToOne(cascade = CascadeType.ALL, orphanRemoval = true)//
+	private final Address address;
+
+	Customer() {
+		this.firstname = null;
+		this.lastname = null;
+		this.address = null;
+		this.gender = null;
+	}
+	
+	static enum Gender {
+		MALE, FEMALE;
+	}
+}

rest/projections/src/main/java/example/orders/CustomerExcerpt.java

@@ -0,0 +1,33 @@
+/*
+ * 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.orders;
+
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.data.rest.core.config.Projection;
+
+/**
+ * @author Oliver Gierke
+ */
+@Projection(name = "excerpt", types = Customer.class)
+public interface CustomerExcerpt {
+
+	String getFirstname();
+
+	String getLastname();
+
+	@Value("#{target.address.toString()}")
+	String getAddress();
+}

rest/projections/src/main/java/example/orders/CustomerRepository.java

@@ -0,0 +1,27 @@
+/*
+ * 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.orders;
+
+import org.springframework.data.repository.CrudRepository;
+import org.springframework.data.rest.core.annotation.RepositoryRestResource;
+
+/**
+ * @author Oliver Gierke
+ */
+@RepositoryRestResource(excerptProjection = CustomerExcerpt.class)
+public interface CustomerRepository extends CrudRepository<Customer, Long> {
+
+}

rest/projections/src/main/java/example/orders/LineItem.java

@@ -0,0 +1,43 @@
+/*
+ * 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.orders;
+
+import java.math.BigDecimal;
+
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.Id;
+
+import lombok.Data;
+import lombok.RequiredArgsConstructor;
+
+/**
+ * @author Oliver Gierke
+ */
+@Entity
+@Data
+@RequiredArgsConstructor
+public class LineItem {
+
+	private @GeneratedValue @Id Long id;
+	private final String description;
+	private final BigDecimal price;
+
+	LineItem() {
+		this.description = null;
+		this.price = null;
+	}
+}

rest/projections/src/main/java/example/orders/Order.java

@@ -0,0 +1,51 @@
+/*
+ * 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.orders;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import javax.persistence.CascadeType;
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.Id;
+import javax.persistence.ManyToOne;
+import javax.persistence.OneToMany;
+
+import lombok.Data;
+
+/**
+ * @author Oliver Gierke
+ */
+@Entity(name = "SampleOrder")
+@Data
+public class Order {
+
+	@Id @GeneratedValue//
+	private Long id;
+
+	@OneToMany(cascade = CascadeType.ALL, orphanRemoval = true)//
+	private List<LineItem> items = new ArrayList<>();
+
+	@ManyToOne//
+	private Customer customer;
+
+	public Order add(LineItem item) {
+
+		this.items.add(item);
+		return this;
+	}
+}

rest/projections/src/main/java/example/orders/OrderRepository.java

@@ -0,0 +1,25 @@
+/*
+ * 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.orders;
+
+import org.springframework.data.repository.CrudRepository;
+
+/**
+ * @author Oliver Gierke
+ */
+public interface OrderRepository extends CrudRepository<Order, Long> {
+
+}

rest/projections/src/test/java/example/orders/ApplicationIntegrationTests.java

@@ -0,0 +1,45 @@
+/*
+ * 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.orders;
+
+import static org.hamcrest.Matchers.*;
+import static org.junit.Assert.*;
+
+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.test.context.junit4.SpringJUnit4ClassRunner;
+
+/**
+ * Integration tests to bootstrap the application.
+ * 
+ * @author Oliver Gierke
+ */
+@RunWith(SpringJUnit4ClassRunner.class)
+@SpringApplicationConfiguration(classes = Application.class)
+public class ApplicationIntegrationTests {
+
+	@Autowired OrderRepository repository;
+
+	@Test
+	public void initializesRepositoryWithSampleData() {
+
+		Iterable<Order> result = repository.findAll();
+
+		assertThat(result, is(iterableWithSize(1)));
+	}
+}

rest/starbucks/pom.xml

@@ -27,7 +27,6 @@
 		<dependency>
 			<groupId>com.jayway.jsonpath</groupId>
 			<artifactId>json-path</artifactId>
-			<version>0.9.1</version>
 			<scope>runtime</scope>
 		</dependency>