Added example for multi-store configuration.

multi-store/src/main/java/example/springdata/multistore/ApplicationConfiguration.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.springdata.multistore;
+
+import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.data.jpa.repository.config.EnableJpaRepositories;
+import org.springframework.data.mongodb.repository.config.EnableMongoRepositories;
+
+import com.mongodb.MongoClient;
+
+/**
+ * Test configuration to connect to a MongoDB named "test" and using a {@link MongoClient}. Also enables Spring Data
+ * repositories for MongoDB.
+ * 
+ * @author Oliver Gierke
+ */
+@Configuration
+@EnableAutoConfiguration
+// TODO: Remove explicit activation once Spring Boot has a more lenient repository detection
+@EnableJpaRepositories
+@EnableMongoRepositories
+public class ApplicationConfiguration {}

multi-store/src/main/java/example/springdata/multistore/customer/Address.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.springdata.multistore.customer;
+
+import javax.persistence.Embeddable;
+
+import lombok.Getter;
+import lombok.RequiredArgsConstructor;
+
+import org.springframework.data.geo.Point;
+
+/**
+ * A domain object to capture addresses.
+ * 
+ * @author Oliver Gierke
+ */
+@Getter
+@RequiredArgsConstructor
+@Embeddable
+public class Address {
+
+	private final Point location;
+	private String street;
+	private String zipCode;
+}

multi-store/src/main/java/example/springdata/multistore/customer/Customer.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.springdata.multistore.customer;
+
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.Id;
+
+import lombok.Data;
+
+import org.springframework.util.Assert;
+
+/**
+ * An entity to represent a customer.
+ * 
+ * @author Oliver Gierke
+ */
+@Data
+@Entity
+public class Customer {
+
+	private @Id @GeneratedValue Long id;
+	private String firstname, lastname;
+
+	private Address address;
+
+	/**
+	 * Creates a new {@link Customer} with the given firstname and lastname.
+	 * 
+	 * @param firstname must not be {@literal null} or empty.
+	 * @param lastname must not be {@literal null} or empty.
+	 */
+	public Customer(String firstname, String lastname) {
+
+		Assert.hasText(firstname, "Firstname must not be null or empty!");
+		Assert.hasText(lastname, "Lastname must not be null or empty!");
+
+		this.firstname = firstname;
+		this.lastname = lastname;
+	}
+
+	// Required by JPA
+	protected Customer() {}
+}

multi-store/src/main/java/example/springdata/multistore/customer/CustomerRepository.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.springdata.multistore.customer;
+
+import org.springframework.data.repository.CrudRepository;
+
+/**
+ * Repository interface to manage {@link Customer} instances.
+ * 
+ * @author Oliver Gierke
+ */
+public interface CustomerRepository extends CrudRepository<Customer, Long> {}

multi-store/src/main/java/example/springdata/multistore/shop/LineItem.java

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+/*
+ * Copyright 2013-2014 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.springdata.multistore.shop;
+
+import lombok.Data;
+import lombok.RequiredArgsConstructor;
+
+import org.springframework.data.annotation.PersistenceConstructor;
+
+/**
+ * A line item.
+ * 
+ * @author Thomas Darimont
+ * @author Oliver Gierke
+ */
+@Data
+@RequiredArgsConstructor(onConstructor = @__(@PersistenceConstructor))
+public class LineItem {
+
+	private final String caption;
+	private final double price;
+
+	int quantity = 1;
+
+	public LineItem(String caption, double price, int quantity) {
+
+		this(caption, price);
+		this.quantity = quantity;
+	}
+}

multi-store/src/main/java/example/springdata/multistore/shop/Order.java

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+/*
+ * Copyright 2013-2014 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.springdata.multistore.shop;
+
+import java.util.ArrayList;
+import java.util.Date;
+import java.util.List;
+
+import lombok.Data;
+import lombok.RequiredArgsConstructor;
+
+import org.springframework.data.annotation.PersistenceConstructor;
+import org.springframework.data.mongodb.core.mapping.Document;
+
+/**
+ * An entity representing an {@link Order}. Note how we don't need any MongoDB mapping annotations as {@code id} is
+ * recognized as the id property by default.
+ * 
+ * @author Thomas Darimont
+ * @author Oliver Gierke
+ */
+@Data
+@RequiredArgsConstructor(onConstructor = @__(@PersistenceConstructor))
+@Document
+public class Order {
+
+	private final String id;
+	private final String customerId;
+	private final Date orderDate;
+	private final List<LineItem> items;
+
+	/**
+	 * Creates a new {@link Order} for the given customer id and order date.
+	 * 
+	 * @param customerId
+	 * @param orderDate
+	 */
+	public Order(String customerId, Date orderDate) {
+		this(null, customerId, orderDate, new ArrayList<LineItem>());
+	}
+
+	/**
+	 * Adds a {@link LineItem} to the {@link Order}.
+	 * 
+	 * @param item
+	 * @return
+	 */
+	public Order addItem(LineItem item) {
+
+		this.items.add(item);
+		return this;
+	}
+}

multi-store/src/main/java/example/springdata/multistore/shop/OrderRepository.java

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+/*
+ * Copyright 2013-2014 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.springdata.multistore.shop;
+
+import org.springframework.data.repository.CrudRepository;
+
+/**
+ * A repository interface assembling CRUD functionality as well as the API to invoke the methods implemented manually.
+ * 
+ * @author Thomas Darimont
+ * @author Oliver Gierke
+ */
+public interface OrderRepository extends CrudRepository<Order, String> {}

multi-store/src/test/java/example/springdata/multistore/ApplicationConfigurationTest.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.springdata.multistore;
+
+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.context.ApplicationContext;
+import org.springframework.data.jpa.repository.support.JpaEntityInformation;
+import org.springframework.data.mongodb.repository.query.MongoEntityInformation;
+import org.springframework.data.repository.support.Repositories;
+import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
+
+import example.springdata.multistore.customer.Customer;
+import example.springdata.multistore.shop.Order;
+
+/**
+ * Integration test to check repository interfaces are assigned to the correct store modules.
+ * 
+ * @author Oliver Gierke
+ */
+@RunWith(SpringJUnit4ClassRunner.class)
+@SpringApplicationConfiguration(classes = ApplicationConfiguration.class)
+public class ApplicationConfigurationTest {
+
+	@Autowired ApplicationContext context;
+
+	@Test
+	public void repositoriesAreAssignedToAppropriateStores() {
+
+		Repositories repositories = new Repositories(context);
+
+		assertThat(repositories.getEntityInformationFor(Customer.class), is(instanceOf(JpaEntityInformation.class)));
+		assertThat(repositories.getEntityInformationFor(Order.class), is(instanceOf(MongoEntityInformation.class)));
+	}
+}

multi-store/src/test/resources/logback.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<configuration>
+
+	<appender name="console" class="ch.qos.logback.core.ConsoleAppender">
+		<encoder>
+			<pattern>%d %5p %40.40c:%4L - %m%n</pattern>
+		</encoder>
+	</appender>
+
+	<logger name="org.springframework.data" level="debug" />
+
+	<root level="error">
+		<appender-ref ref="console" />
+	</root>
+
+</configuration>