Add Hibernate 4 sample

Add a sample showing how Hibernate 4 can be used if necessary.

See gh-2763

spring-boot-samples/pom.xml

@@ -45,6 +45,7 @@
 		<module>spring-boot-sample-devtools</module>
 		<module>spring-boot-sample-flyway</module>
 		<module>spring-boot-sample-hateoas</module>
+		<module>spring-boot-sample-hibernate4</module>
 		<module>spring-boot-sample-hornetq</module>
 		<module>spring-boot-sample-hypermedia</module>
 		<module>spring-boot-sample-hypermedia-gson</module>

spring-boot-samples/spring-boot-sample-hibernate4/pom.xml

@@ -0,0 +1,57 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<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>
+	<parent>
+		<!-- Your own application should inherit from spring-boot-starter-parent -->
+		<groupId>org.springframework.boot</groupId>
+		<artifactId>spring-boot-samples</artifactId>
+		<version>1.4.0.BUILD-SNAPSHOT</version>
+	</parent>
+	<artifactId>spring-boot-sample-hibernate4</artifactId>
+	<name>Spring Boot Hibernate 4 Sample</name>
+	<description>Spring Boot Hibernate 4 Sample</description>
+	<url>http://projects.spring.io/spring-boot/</url>
+	<organization>
+		<name>Pivotal Software, Inc.</name>
+		<url>http://www.spring.io</url>
+	</organization>
+	<properties>
+		<main.basedir>${basedir}/../..</main.basedir>
+		<hibernate.version>4.3.11.Final</hibernate.version>
+	</properties>
+	<dependencies>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-data-jpa</artifactId>
+		</dependency>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-web</artifactId>
+		</dependency>
+		<dependency>
+			<groupId>com.h2database</groupId>
+			<artifactId>h2</artifactId>
+			<scope>runtime</scope>
+		</dependency>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-test</artifactId>
+			<scope>test</scope>
+		</dependency>
+	</dependencies>
+	<build>
+		<plugins>
+			<plugin>
+				<groupId>org.springframework.boot</groupId>
+				<artifactId>spring-boot-maven-plugin</artifactId>
+				<dependencies>
+					<dependency>
+						<groupId>org.springframework</groupId>
+						<artifactId>springloaded</artifactId>
+						<version>${spring-loaded.version}</version>
+					</dependency>
+				</dependencies>
+			</plugin>
+		</plugins>
+	</build>
+</project>

spring-boot-samples/spring-boot-sample-hibernate4/src/main/java/sample/hibernate4/SampleHibernate4Application.java

@@ -0,0 +1,29 @@
+/*
+ * Copyright 2012-2016 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 sample.hibernate4;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class SampleHibernate4Application {
+
+	public static void main(String[] args) throws Exception {
+		SpringApplication.run(SampleHibernate4Application.class, args);
+	}
+
+}

spring-boot-samples/spring-boot-sample-hibernate4/src/main/java/sample/hibernate4/domain/City.java

@@ -0,0 +1,77 @@
+/*
+ * Copyright 2012-2016 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 sample.hibernate4.domain;
+
+import java.io.Serializable;
+
+import javax.persistence.Column;
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
+import javax.persistence.Id;
+
+@Entity
+public class City implements Serializable {
+
+	private static final long serialVersionUID = 1L;
+
+	@Id
+	@GeneratedValue(strategy = GenerationType.IDENTITY)
+	private Long id;
+
+	@Column(nullable = false)
+	private String name;
+
+	@Column(nullable = false)
+	private String state;
+
+	@Column(nullable = false)
+	private String country;
+
+	@Column(nullable = false)
+	private String map;
+
+	protected City() {
+	}
+
+	public City(String name, String country) {
+		super();
+		this.name = name;
+		this.country = country;
+	}
+
+	public String getName() {
+		return this.name;
+	}
+
+	public String getState() {
+		return this.state;
+	}
+
+	public String getCountry() {
+		return this.country;
+	}
+
+	public String getMap() {
+		return this.map;
+	}
+
+	@Override
+	public String toString() {
+		return getName() + "," + getState() + "," + getCountry();
+	}
+}

spring-boot-samples/spring-boot-sample-hibernate4/src/main/java/sample/hibernate4/domain/Hotel.java

@@ -0,0 +1,82 @@
+/*
+ * Copyright 2012-2016 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 sample.hibernate4.domain;
+
+import java.io.Serializable;
+import java.util.Set;
+
+import javax.persistence.Column;
+import javax.persistence.Entity;
+import javax.persistence.FetchType;
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
+import javax.persistence.Id;
+import javax.persistence.ManyToOne;
+import javax.persistence.OneToMany;
+
+import org.hibernate.annotations.NaturalId;
+
+@Entity
+public class Hotel implements Serializable {
+
+	private static final long serialVersionUID = 1L;
+
+	@Id
+	@GeneratedValue(strategy = GenerationType.IDENTITY)
+	private Long id;
+
+	@ManyToOne(optional = false)
+	@NaturalId
+	private City city;
+
+	@Column(nullable = false)
+	@NaturalId
+	private String name;
+
+	@Column(nullable = false)
+	private String address;
+
+	@Column(nullable = false)
+	private String zip;
+
+	@OneToMany(fetch = FetchType.LAZY, mappedBy = "hotel")
+	private Set<Review> reviews;
+
+	protected Hotel() {
+	}
+
+	public Hotel(City city, String name) {
+		this.city = city;
+		this.name = name;
+	}
+
+	public City getCity() {
+		return this.city;
+	}
+
+	public String getName() {
+		return this.name;
+	}
+
+	public String getAddress() {
+		return this.address;
+	}
+
+	public String getZip() {
+		return this.zip;
+	}
+}

spring-boot-samples/spring-boot-sample-hibernate4/src/main/java/sample/hibernate4/domain/HotelSummary.java

@@ -0,0 +1,31 @@
+/*
+ * Copyright 2012-2016 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 sample.hibernate4.domain;
+
+public interface HotelSummary {
+
+	City getCity();
+
+	String getName();
+
+	Double getAverageRating();
+
+	default Integer getAverageRatingRounded() {
+		return getAverageRating() == null ? null : (int) Math.round(getAverageRating());
+	}
+
+}

spring-boot-samples/spring-boot-sample-hibernate4/src/main/java/sample/hibernate4/domain/Rating.java

@@ -0,0 +1,21 @@
+/*
+ * Copyright 2012-2016 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 sample.hibernate4.domain;
+
+public enum Rating {
+	TERRIBLE, POOR, AVERAGE, GOOD, EXCELLENT,
+}

spring-boot-samples/spring-boot-sample-hibernate4/src/main/java/sample/hibernate4/domain/RatingCount.java

@@ -0,0 +1,25 @@
+/*
+ * Copyright 2012-2016 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 sample.hibernate4.domain;
+
+public interface RatingCount {
+
+	Rating getRating();
+
+	long getCount();
+
+}

spring-boot-samples/spring-boot-sample-hibernate4/src/main/java/sample/hibernate4/domain/Review.java

@@ -0,0 +1,130 @@
+/*
+ * Copyright 2012-2016 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 sample.hibernate4.domain;
+
+import java.io.Serializable;
+import java.util.Date;
+
+import javax.persistence.Column;
+import javax.persistence.Entity;
+import javax.persistence.EnumType;
+import javax.persistence.Enumerated;
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
+import javax.persistence.Id;
+import javax.persistence.ManyToOne;
+import javax.persistence.Temporal;
+import javax.persistence.TemporalType;
+
+import org.springframework.util.Assert;
+
+@Entity
+public class Review implements Serializable {
+
+	private static final long serialVersionUID = 1L;
+
+	@Id
+	@GeneratedValue(strategy = GenerationType.IDENTITY)
+	private Long id;
+
+	@ManyToOne(optional = false)
+	private Hotel hotel;
+
+	@Column(nullable = false, name = "idx")
+	private int index;
+
+	@Column(nullable = false)
+	@Enumerated(EnumType.ORDINAL)
+	private Rating rating;
+
+	@Column(name= "CHECK_IN_DATE", nullable = false)
+	@Temporal(TemporalType.DATE)
+	private Date checkInDate;
+
+	@Column(name = "TRIP_TYPE", nullable = false)
+	@Enumerated(EnumType.ORDINAL)
+	private TripType tripType;
+
+	@Column(nullable = false)
+	private String title;
+
+	@Column(nullable = false, length = 5000)
+	private String details;
+
+	protected Review() {
+	}
+
+	public Review(Hotel hotel, int index, ReviewDetails details) {
+		Assert.notNull(hotel, "Hotel must not be null");
+		Assert.notNull(details, "Details must not be null");
+		this.hotel = hotel;
+		this.index = index;
+		this.rating = details.getRating();
+		this.checkInDate = details.getCheckInDate();
+		this.tripType = details.getTripType();
+		this.title = details.getTitle();
+		this.details = details.getDetails();
+	}
+
+	public Hotel getHotel() {
+		return this.hotel;
+	}
+
+	public int getIndex() {
+		return this.index;
+	}
+
+	public Rating getRating() {
+		return this.rating;
+	}
+
+	public void setRating(Rating rating) {
+		this.rating = rating;
+	}
+
+	public Date getCheckInDate() {
+		return this.checkInDate;
+	}
+
+	public void setCheckInDate(Date checkInDate) {
+		this.checkInDate = checkInDate;
+	}
+
+	public TripType getTripType() {
+		return this.tripType;
+	}
+
+	public void setTripType(TripType tripType) {
+		this.tripType = tripType;
+	}
+
+	public String getTitle() {
+		return this.title;
+	}
+
+	public void setTitle(String title) {
+		this.title = title;
+	}
+
+	public String getDetails() {
+		return this.details;
+	}
+
+	public void setDetails(String details) {
+		this.details = details;
+	}
+}

spring-boot-samples/spring-boot-sample-hibernate4/src/main/java/sample/hibernate4/domain/ReviewDetails.java

@@ -0,0 +1,78 @@
+/*
+ * Copyright 2012-2016 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 sample.hibernate4.domain;
+
+import java.io.Serializable;
+import java.util.Date;
+
+public class ReviewDetails implements Serializable {
+
+	private static final long serialVersionUID = 1L;
+
+	private Rating rating;
+
+	private Date checkInDate;
+
+	private TripType tripType;
+
+	private String title;
+
+	private String details;
+
+	public ReviewDetails() {
+	}
+
+	public Rating getRating() {
+		return this.rating;
+	}
+
+	public void setRating(Rating rating) {
+		this.rating = rating;
+	}
+
+	public Date getCheckInDate() {
+		return this.checkInDate;
+	}
+
+	public void setCheckInDate(Date checkInDate) {
+		this.checkInDate = checkInDate;
+	}
+
+	public TripType getTripType() {
+		return this.tripType;
+	}
+
+	public void setTripType(TripType tripType) {
+		this.tripType = tripType;
+	}
+
+	public String getTitle() {
+		return this.title;
+	}
+
+	public void setTitle(String title) {
+		this.title = title;
+	}
+
+	public String getDetails() {
+		return this.details;
+	}
+
+	public void setDetails(String details) {
+		this.details = details;
+	}
+}

spring-boot-samples/spring-boot-sample-hibernate4/src/main/java/sample/hibernate4/domain/TripType.java

@@ -0,0 +1,21 @@
+/*
+ * Copyright 2012-2016 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 sample.hibernate4.domain;
+
+public enum TripType {
+	BUSINESS, COUPLES, FAMILY, FRIENDS, SOLO
+}

spring-boot-samples/spring-boot-sample-hibernate4/src/main/java/sample/hibernate4/service/CityRepository.java

@@ -0,0 +1,34 @@
+/*
+ * Copyright 2012-2016 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 sample.hibernate4.service;
+
+import sample.hibernate4.domain.City;
+
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.Pageable;
+import org.springframework.data.repository.Repository;
+
+interface CityRepository extends Repository<City, Long> {
+
+	Page<City> findAll(Pageable pageable);
+
+	Page<City> findByNameContainingAndCountryContainingAllIgnoringCase(String name,
+			String country, Pageable pageable);
+
+	City findByNameAndCountryAllIgnoringCase(String name, String country);
+
+}

spring-boot-samples/spring-boot-sample-hibernate4/src/main/java/sample/hibernate4/service/CitySearchCriteria.java

@@ -0,0 +1,44 @@
+/*
+ * Copyright 2012-2016 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 sample.hibernate4.service;
+
+import java.io.Serializable;
+
+import org.springframework.util.Assert;
+
+public class CitySearchCriteria implements Serializable {
+
+	private static final long serialVersionUID = 1L;
+
+	private String name;
+
+	public CitySearchCriteria() {
+	}
+
+	public CitySearchCriteria(String name) {
+		Assert.notNull(name, "Name must not be null");
+		this.name = name;
+	}
+
+	public String getName() {
+		return this.name;
+	}
+
+	public void setName(String name) {
+		this.name = name;
+	}
+}

spring-boot-samples/spring-boot-sample-hibernate4/src/main/java/sample/hibernate4/service/CityService.java

@@ -0,0 +1,33 @@
+/*
+ * Copyright 2012-2016 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 sample.hibernate4.service;
+
+import sample.hibernate4.domain.City;
+import sample.hibernate4.domain.HotelSummary;
+
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.Pageable;
+
+public interface CityService {
+
+	Page<City> findCities(CitySearchCriteria criteria, Pageable pageable);
+
+	City getCity(String name, String country);
+
+	Page<HotelSummary> getHotels(City city, Pageable pageable);
+
+}

spring-boot-samples/spring-boot-sample-hibernate4/src/main/java/sample/hibernate4/service/CityServiceImpl.java

@@ -0,0 +1,78 @@
+/*
+ * Copyright 2012-2016 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 sample.hibernate4.service;
+
+import sample.hibernate4.domain.City;
+import sample.hibernate4.domain.HotelSummary;
+
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.Pageable;
+import org.springframework.stereotype.Component;
+import org.springframework.transaction.annotation.Transactional;
+import org.springframework.util.Assert;
+import org.springframework.util.StringUtils;
+
+@Component("cityService")
+@Transactional
+class CityServiceImpl implements CityService {
+
+	private final CityRepository cityRepository;
+
+	private final HotelRepository hotelRepository;
+
+	public CityServiceImpl(CityRepository cityRepository,
+			HotelRepository hotelRepository) {
+		this.cityRepository = cityRepository;
+		this.hotelRepository = hotelRepository;
+	}
+
+	@Override
+	public Page<City> findCities(CitySearchCriteria criteria, Pageable pageable) {
+
+		Assert.notNull(criteria, "Criteria must not be null");
+		String name = criteria.getName();
+
+		if (!StringUtils.hasLength(name)) {
+			return this.cityRepository.findAll(null);
+		}
+
+		String country = "";
+		int splitPos = name.lastIndexOf(",");
+
+		if (splitPos >= 0) {
+			country = name.substring(splitPos + 1);
+			name = name.substring(0, splitPos);
+		}
+
+		return this.cityRepository
+				.findByNameContainingAndCountryContainingAllIgnoringCase(name.trim(),
+						country.trim(), pageable);
+	}
+
+	@Override
+	public City getCity(String name, String country) {
+		Assert.notNull(name, "Name must not be null");
+		Assert.notNull(country, "Country must not be null");
+		return this.cityRepository.findByNameAndCountryAllIgnoringCase(name, country);
+	}
+
+	@Override
+	public Page<HotelSummary> getHotels(City city, Pageable pageable) {
+		Assert.notNull(city, "City must not be null");
+		return this.hotelRepository.findByCity(city, pageable);
+	}
+}

spring-boot-samples/spring-boot-sample-hibernate4/src/main/java/sample/hibernate4/service/HotelRepository.java

@@ -0,0 +1,43 @@
+/*
+ * Copyright 2012-2016 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 sample.hibernate4.service;
+
+import java.util.List;
+
+import sample.hibernate4.domain.City;
+import sample.hibernate4.domain.Hotel;
+import sample.hibernate4.domain.HotelSummary;
+import sample.hibernate4.domain.RatingCount;
+
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.Pageable;
+import org.springframework.data.jpa.repository.Query;
+import org.springframework.data.repository.Repository;
+
+interface HotelRepository extends Repository<Hotel, Long> {
+
+	Hotel findByCityAndName(City city, String name);
+
+	@Query("select h.city as city, h.name as name, avg(r.rating) as averageRating "
+			+ "from Hotel h left outer join h.reviews r where h.city = ?1 group by h")
+	Page<HotelSummary> findByCity(City city, Pageable pageable);
+
+	@Query("select r.rating as rating, count(r) as count "
+			+ "from Review r where r.hotel = ?1 group by r.rating order by r.rating DESC")
+	List<RatingCount> findRatingCounts(Hotel hotel);
+
+}

spring-boot-samples/spring-boot-sample-hibernate4/src/main/java/sample/hibernate4/service/HotelService.java

@@ -0,0 +1,39 @@
+/*
+ * Copyright 2012-2016 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 sample.hibernate4.service;
+
+import sample.hibernate4.domain.City;
+import sample.hibernate4.domain.Hotel;
+import sample.hibernate4.domain.Review;
+import sample.hibernate4.domain.ReviewDetails;
+
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.Pageable;
+
+public interface HotelService {
+
+	Hotel getHotel(City city, String name);
+
+	Page<Review> getReviews(Hotel hotel, Pageable pageable);
+
+	Review getReview(Hotel hotel, int index);
+
+	Review addReview(Hotel hotel, ReviewDetails details);
+
+	ReviewsSummary getReviewSummary(Hotel hotel);
+
+}

spring-boot-samples/spring-boot-sample-hibernate4/src/main/java/sample/hibernate4/service/HotelServiceImpl.java

@@ -0,0 +1,98 @@
+/*
+ * Copyright 2012-2016 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 sample.hibernate4.service;
+
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import sample.hibernate4.domain.City;
+import sample.hibernate4.domain.Hotel;
+import sample.hibernate4.domain.Rating;
+import sample.hibernate4.domain.RatingCount;
+import sample.hibernate4.domain.Review;
+import sample.hibernate4.domain.ReviewDetails;
+
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.Pageable;
+import org.springframework.stereotype.Component;
+import org.springframework.transaction.annotation.Transactional;
+import org.springframework.util.Assert;
+
+@Component("hotelService")
+@Transactional
+class HotelServiceImpl implements HotelService {
+
+	private final HotelRepository hotelRepository;
+
+	private final ReviewRepository reviewRepository;
+
+	public HotelServiceImpl(HotelRepository hotelRepository,
+			ReviewRepository reviewRepository) {
+		this.hotelRepository = hotelRepository;
+		this.reviewRepository = reviewRepository;
+	}
+
+	@Override
+	public Hotel getHotel(City city, String name) {
+		Assert.notNull(city, "City must not be null");
+		Assert.hasLength(name, "Name must not be empty");
+		return this.hotelRepository.findByCityAndName(city, name);
+	}
+
+	@Override
+	public Page<Review> getReviews(Hotel hotel, Pageable pageable) {
+		Assert.notNull(hotel, "Hotel must not be null");
+		return this.reviewRepository.findByHotel(hotel, pageable);
+	}
+
+	@Override
+	public Review getReview(Hotel hotel, int reviewNumber) {
+		Assert.notNull(hotel, "Hotel must not be null");
+		return this.reviewRepository.findByHotelAndIndex(hotel, reviewNumber);
+	}
+
+	@Override
+	public Review addReview(Hotel hotel, ReviewDetails details) {
+		Review review = new Review(hotel, 1, details);
+		return this.reviewRepository.save(review);
+	}
+
+	@Override
+	public ReviewsSummary getReviewSummary(Hotel hotel) {
+		List<RatingCount> ratingCounts = this.hotelRepository.findRatingCounts(hotel);
+		return new ReviewsSummaryImpl(ratingCounts);
+	}
+
+	private static class ReviewsSummaryImpl implements ReviewsSummary {
+
+		private final Map<Rating, Long> ratingCount;
+
+		public ReviewsSummaryImpl(List<RatingCount> ratingCounts) {
+			this.ratingCount = new HashMap<Rating, Long>();
+			for (RatingCount ratingCount : ratingCounts) {
+				this.ratingCount.put(ratingCount.getRating(), ratingCount.getCount());
+			}
+		}
+
+		@Override
+		public long getNumberOfReviewsWithRating(Rating rating) {
+			Long count = this.ratingCount.get(rating);
+			return count == null ? 0 : count;
+		}
+	}
+}

spring-boot-samples/spring-boot-sample-hibernate4/src/main/java/sample/hibernate4/service/ReviewRepository.java

@@ -0,0 +1,34 @@
+/*
+ * Copyright 2012-2016 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 sample.hibernate4.service;
+
+import sample.hibernate4.domain.Hotel;
+import sample.hibernate4.domain.Review;
+
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.Pageable;
+import org.springframework.data.repository.Repository;
+
+interface ReviewRepository extends Repository<Review, Long> {
+
+	Page<Review> findByHotel(Hotel hotel, Pageable pageable);
+
+	Review findByHotelAndIndex(Hotel hotel, int index);
+
+	Review save(Review review);
+
+}

spring-boot-samples/spring-boot-sample-hibernate4/src/main/java/sample/hibernate4/service/ReviewsSummary.java

@@ -0,0 +1,25 @@
+/*
+ * Copyright 2012-2016 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 sample.hibernate4.service;
+
+import sample.hibernate4.domain.Rating;
+
+public interface ReviewsSummary {
+
+	long getNumberOfReviewsWithRating(Rating rating);
+
+}

spring-boot-samples/spring-boot-sample-hibernate4/src/main/java/sample/hibernate4/web/SampleController.java

@@ -0,0 +1,40 @@
+/*
+ * Copyright 2012-2016 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 sample.hibernate4.web;
+
+import sample.hibernate4.service.CityService;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Controller;
+import org.springframework.transaction.annotation.Transactional;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.ResponseBody;
+
+@Controller
+public class SampleController {
+
+	@Autowired
+	private CityService cityService;
+
+	@RequestMapping("/")
+	@ResponseBody
+	@Transactional(readOnly = true)
+	public String helloWorld() {
+		return this.cityService.getCity("Bath", "UK").getName();
+	}
+
+}

spring-boot-samples/spring-boot-sample-hibernate4/src/main/resources/application.properties

@@ -0,0 +1,3 @@
+spring.h2.console.enabled=true
+
+logging.level.org.hibernate.SQL=debug

spring-boot-samples/spring-boot-sample-hibernate4/src/main/resources/import.sql

@@ -0,0 +1,186 @@
+--
+-- Sample dataset containing a number of Hotels in various Cities across the world.  The reviews are entirely fictional :)
+--
+
+-- =================================================================================================
+-- AUSTRALIA
+
+-- Brisbane
+insert into city(country, name, state, map) values ('Australia', 'Brisbane', 'Queensland', '-27.470933, 153.023502')
+insert into hotel(city_id, name, address, zip) values (1, 'Conrad Treasury Place', 'William & George Streets', '4001')
+
+-- Melbourne
+insert into city(country, name, state, map) values ('Australia', 'Melbourne', 'Victoria', '-37.813187, 144.96298')
+insert into hotel(city_id, name, address, zip) values (2, 'The Langham', '1 Southgate Ave, Southbank', '3006')
+insert into review(hotel_id, idx, check_in_date, rating, trip_type, title, details) values (2, 0, '2005-05-10', 2, 4, 'Pretty average', 'I stayed in 2005, the hotel was nice enough but nothing special.')
+insert into review(hotel_id, idx, check_in_date, rating, trip_type, title, details) values (2, 1, '2006-01-12', 4, 2, 'Bright hotel with big rooms', 'This hotel has a fantastic lovely big windows.  The room we stayed in had lots of space.  Recommended.')
+insert into review(hotel_id, idx, check_in_date, rating, trip_type, title, details) values (2, 2, '2006-05-25', 3, 1, 'Pretty good', 'I liked this hotel and would stay again.')
+insert into review(hotel_id, idx, check_in_date, rating, trip_type, title, details) values (2, 3, '2009-01-20', 3, 2, 'Nice clean rooms', 'The rooms are maintained to a high standard and very clean, the bathroom was spotless!!')
+
+-- Sydney
+insert into city(country, name, state, map) values ('Australia', 'Sydney', 'New South Wales', '-33.868901, 151.207091')
+insert into hotel(city_id, name, address, zip) values (3, 'Swissotel', '68 Market Street', '2000')
+
+
+-- =================================================================================================
+-- CANADA
+
+-- Montreal
+insert into city(country, name, state, map) values ('Canada', 'Montreal', 'Quebec', '45.508889, -73.554167')
+insert into hotel(city_id, name, address, zip) values (4, 'Ritz Carlton', '1228 Sherbrooke St', 'H3G1H6')
+
+
+-- =================================================================================================
+-- ISRAEL
+
+-- Tel Aviv
+insert into city(country, name, state, map) values ('Israel', 'Tel Aviv', '', '32.066157, 34.777821')
+insert into hotel(city_id, name, address, zip) values (5, 'Hilton Tel Aviv', 'Independence Park', '63405')
+
+
+-- =================================================================================================
+-- JAPAN
+
+-- Tokyo
+insert into city(country, name, state, map) values ('Japan', 'Tokyo', '', '35.689488, 139.691706')
+insert into hotel(city_id, name, address, zip) values (6, 'InterContinental Tokyo Bay', 'Takeshiba Pier', '105')
+
+
+-- =================================================================================================
+-- SPAIN
+
+-- Barcelona
+insert into city(country, name, state, map) values ('Spain', 'Barcelona', 'Catalunya', '41.387917, 2.169919')
+insert into hotel(city_id, name, address, zip) values (7, 'Hilton Diagonal Mar', 'Passeig del Taulat 262-264', '08019')
+
+-- =================================================================================================
+-- SWITZERLAND
+
+-- Neuchatel
+insert into city(country, name, state, map) values ('Switzerland', 'Neuchatel', '', '46.992979, 6.931933')
+insert into hotel(city_id, name, address, zip) values (8, 'Hotel Beaulac', ' Esplanade Leopold-Robert 2', '2000')
+
+
+-- =================================================================================================
+-- UNITED KINGDOM
+
+-- Bath
+insert into city(country, name, state, map) values ('UK', 'Bath', 'Somerset', '51.381428, -2.357454')
+insert into hotel(city_id, name, address, zip) values (9, 'The Bath Priory Hotel', 'Weston Road', 'BA1 2XT')
+insert into review(hotel_id, idx, check_in_date, rating, trip_type, title, details) values (9, 0, '2000-01-23', 4, 1, 'A lovely hotel', 'We stayed here after a wedding and it was fantastic.  Recommend to all.')
+insert into review(hotel_id, idx, check_in_date, rating, trip_type, title, details) values (9, 1, '2000-08-04', 3, 1, 'Very special', 'A very special hotel with lovely staff.')
+insert into review(hotel_id, idx, check_in_date, rating, trip_type, title, details) values (9, 2, '2001-01-01', 2, 4, 'Nice but too hot', 'Stayed during the summer heat wave (exceptional for England!) and the room was very hot.  Still recommended.')
+insert into review(hotel_id, idx, check_in_date, rating, trip_type, title, details) values (9, 3, '2002-01-20', 3, 1, 'Big rooms and a great view', 'Considering how central this hotel is the rooms are a very good size.')
+insert into review(hotel_id, idx, check_in_date, rating, trip_type, title, details) values (9, 4, '2002-11-03', 2, 1, 'Good but pricey', 'A nice hotel but be prepared to pay over the odds for your stay.')
+insert into review(hotel_id, idx, check_in_date, rating, trip_type, title, details) values (9, 5, '2003-09-18', 4, 1, 'Fantastic place', 'Just lovely.')
+insert into review(hotel_id, idx, check_in_date, rating, trip_type, title, details) values (9, 6, '2004-03-21', 4, 3, 'A very special place', 'I stayed here in 2004 and found it to be very relaxing, a nice pool and good gym is cherry on the cake.')
+insert into review(hotel_id, idx, check_in_date, rating, trip_type, title, details) values (9, 7, '2004-04-10', 0, 0, 'Terrible', 'I complained after I was told I could not check out after 11pm.  Ridiculous!!!')
+insert into review(hotel_id, idx, check_in_date, rating, trip_type, title, details) values (9, 8, '2004-12-20', 4, 4, 'A perfect location', 'Central location makes this a perfect hotel.  Be warned though, it''s not cheap.')
+insert into review(hotel_id, idx, check_in_date, rating, trip_type, title, details) values (9, 9, '2005-04-19', 3, 2, 'Expensive but worth it', 'Dig deep into your pockets and enjoy this lovely City and fantastic hotel.')
+insert into review(hotel_id, idx, check_in_date, rating, trip_type, title, details) values (9, 10, '2005-05-21', 4, 1, 'The best hotel in the area', 'Top hotel in the area, would not stay anywhere else.')
+insert into review(hotel_id, idx, check_in_date, rating, trip_type, title, details) values (9, 11, '2005-11-17', 4, 2, 'Lovely hotel, fantastic grounds', 'The garden upkeep run into thousands (perhaps explaining why the rooms are so much) but so lovely and relaxing.')
+insert into review(hotel_id, idx, check_in_date, rating, trip_type, title, details) values (9, 12, '2006-01-04', 3, 4, 'Gorgeous Top Quality Hotel', 'Top draw stuff.')
+insert into review(hotel_id, idx, check_in_date, rating, trip_type, title, details) values (9, 13, '2006-01-21', 4, 1, 'Fabulous Hotel and Restaurant', 'The food at this hotel is second to none, try the peppered steak!')
+insert into review(hotel_id, idx, check_in_date, rating, trip_type, title, details) values (9, 14, '2006-01-29', 4, 4, 'Feels like home', 'A lovely home away from home.')
+insert into review(hotel_id, idx, check_in_date, rating, trip_type, title, details) values (9, 15, '2006-03-21', 1, 1, 'Far too expensive', 'Overpriced, Overpriced, Overpriced!!')
+insert into review(hotel_id, idx, check_in_date, rating, trip_type, title, details) values (9, 16, '2006-05-10', 4, 1, 'Excellent Hotel, Wonderful Staff', 'The staff went out of their way to help us after we missed our last train home, organising a Taxi back to Newport even after we had checked out.')
+insert into review(hotel_id, idx, check_in_date, rating, trip_type, title, details) values (9, 17, '2007-09-11', 3, 2, 'The perfect retreat', 'If you want a relaxing stay, this is the place.')
+insert into review(hotel_id, idx, check_in_date, rating, trip_type, title, details) values (9, 18, '2008-06-01', 3, 3, 'Lovely stay, fantastic staff', 'As other reviews have noted, the staff in this hotel really are the best in Bath.')
+insert into review(hotel_id, idx, check_in_date, rating, trip_type, title, details) values (9, 19, '2009-05-14', 4, 2, 'Can''t Wait to go back', 'We will stay again for sure.')
+insert into review(hotel_id, idx, check_in_date, rating, trip_type, title, details) values (9, 20, '2010-04-26', 4, 1, 'Amazing Hotel', 'We won a trip here after entering a competition.  Not sure we would pay the full price but such a wonderful place.')
+insert into review(hotel_id, idx, check_in_date, rating, trip_type, title, details) values (9, 21, '2010-10-26', 2, 2, 'Dissapointed', 'The pool was closed, the chief was ill, the staff were rude my wallet is bruised!')
+insert into hotel(city_id, name, address, zip) values (9, 'Bath Travelodge', 'Rossiter Road, Widcombe Basin', 'BA2 4JP')
+insert into review(hotel_id, idx, check_in_date, rating, trip_type, title, details) values (10, 0, '2002-08-21', 0, 2, 'Terrible hotel', 'One of the worst hotels that I have ever stayed in.')
+insert into review(hotel_id, idx, check_in_date, rating, trip_type, title, details) values (10, 1, '2003-01-28', 0, 0, 'Rude and unpleasant staff', 'The staff refused to help me with any aspect of my stay, I will not stay here again.')
+insert into review(hotel_id, idx, check_in_date, rating, trip_type, title, details) values (10, 2, '2004-06-17', 1, 0, 'Below par', 'Don''t stay here!!')
+insert into review(hotel_id, idx, check_in_date, rating, trip_type, title, details) values (10, 3, '2005-07-12', 0, 1, 'Small and Unpleasant', 'The room was far too small and felt unclean.  Not recommended.')
+insert into review(hotel_id, idx, check_in_date, rating, trip_type, title, details) values (10, 4, '2006-01-07', 1, 4, 'Cheap if you are not fussy', 'This hotel has some rough edges but I challenge you to find somewhere cheaper.')
+insert into review(hotel_id, idx, check_in_date, rating, trip_type, title, details) values (10, 5, '2006-01-13', 0, 2, 'Terrible', 'Just terrible!')
+insert into review(hotel_id, idx, check_in_date, rating, trip_type, title, details) values (10, 6, '2006-03-25', 0, 0, 'Smelly and dirty room', 'My room smelt of damp and I found the socks of the previous occupant under my bed.')
+insert into review(hotel_id, idx, check_in_date, rating, trip_type, title, details) values (10, 7, '2006-04-09', 0, 4, 'Grim', 'Grim.  I would try elsewhere before staying here.')
+insert into review(hotel_id, idx, check_in_date, rating, trip_type, title, details) values (10, 8, '2006-08-01', 1, 3, 'Very Noisy', 'Building work during the day and a disco at night.  Good grief!')
+insert into review(hotel_id, idx, check_in_date, rating, trip_type, title, details) values (10, 9, '2009-01-03', 1, 4, 'Tired and falling down', 'This hotel is in serious need of refurbishment, the windows are rotting, the paintwork is tired and the carpets are from the 1970s.')
+insert into review(hotel_id, idx, check_in_date, rating, trip_type, title, details) values (10, 10, '2009-07-20', 0, 0, 'Not suitable for human habitation', 'I would not put my dog up in this hotel.')
+insert into review(hotel_id, idx, check_in_date, rating, trip_type, title, details) values (10, 11, '2010-05-20', 1, 0, 'Conveient for the railway', 'Average place but useful if you need to commute')
+insert into review(hotel_id, idx, check_in_date, rating, trip_type, title, details) values (10, 12, '2010-01-22', 2, 2, 'Not as bad as the reviews', 'Some of the reviews seem a bit harsh, it''s not too bad for the price.')
+insert into review(hotel_id, idx, check_in_date, rating, trip_type, title, details) values (10, 13, '2011-01-10', 3, 1, 'Reburished and nice', 'Looks like this hotel has had a major facelift.  If you have stayed before 2011 perhaps it''s time to give this hotel another try.  Very good value for money and pretty nice.')
+
+-- London
+insert into city(country, name, state, map) values ('UK', 'London', '', '51.500152, -0.126236')
+insert into hotel(city_id, name, address, zip) values (10, 'Melia White House', 'Albany Street', 'NW1 3UP')
+
+-- Southampton
+insert into city(country, name, state, map) values ('UK', 'Southampton', 'Hampshire', '50.902571, -1.397238')
+insert into hotel(city_id, name, address, zip) values (11, 'Chilworth Manor', 'The Cottage, Southampton Business Park', 'SO16 7JF')
+
+
+-- =================================================================================================
+-- USA
+
+-- Atlanta
+insert into city(country, name, state, map) values ('USA', 'Atlanta', 'GA', '33.748995, -84.387982')
+insert into hotel(city_id, name, address, zip) values (12, 'Marriott Courtyard', 'Tower Place, Buckhead', '30305')
+insert into review(hotel_id, idx, check_in_date, rating, trip_type, title, details) values (13, 0, '2009-01-20', 3, 0, 'Better than most', 'Most other hotels is this area are a bit ropey, this one is actually pretty good.')
+insert into hotel(city_id, name, address, zip) values (12, 'Ritz Carlton', 'Peachtree Rd, Buckhead', '30326')
+insert into hotel(city_id, name, address, zip) values (12, 'Doubletree', 'Tower Place, Buckhead', '30305')
+insert into review(hotel_id, idx, check_in_date, rating, trip_type, title, details) values (15, 0, '2006-01-12', 2, 3, 'No fuss hotel', 'Cheap, no fuss hotel.  Good if you are travelling on business and just need a place to stay.')
+insert into review(hotel_id, idx, check_in_date, rating, trip_type, title, details) values (15, 1, '2009-01-20', 2, 2, 'Nice area but small rooms', 'The area felt nice and safe but the rooms are a little on the small side')
+
+-- Chicago
+insert into city(country, name, state, map) values ('USA', 'Chicago', 'IL', '41.878114, -87.629798')
+insert into hotel(city_id, name, address, zip) values (13, 'Hotel Allegro', '171 West Randolph Street', '60601')
+insert into review(hotel_id, idx, check_in_date, rating, trip_type, title, details) values (16, 0, '2009-12-15', 3, 2, 'Cheap and Recommended', 'Good value for money, can''t really fault it.')
+
+-- Eau Claire
+insert into city(country, name, state, map) values ('USA', 'Eau Claire', 'WI', '44.811349, -91.498494')
+insert into hotel(city_id, name, address, zip) values (14, 'Sea Horse Inn', '2106 N Clairemont Ave', '54703')
+insert into hotel(city_id, name, address, zip) values (14, 'Super 8 Eau Claire Campus Area', '1151 W Macarthur Ave', '54701')
+
+-- Hollywood
+insert into city(country, name, state, map) values ('USA', 'Hollywood', 'FL', '26.011201, -80.14949')
+insert into hotel(city_id, name, address, zip) values (15, 'Westin Diplomat', '3555 S. Ocean Drive', '33019')
+insert into review(hotel_id, idx, check_in_date, rating, trip_type, title, details) values (19, 0, '2006-01-11', 0, 0, 'Avoid', 'The hotel has a very bad reputation.  I would avoid it if I were you.')
+
+-- Miami
+insert into city(country, name, state, map) values ('USA', 'Miami', 'FL', '25.788969, -80.226439')
+insert into hotel(city_id, name, address, zip) values (16, 'Conrad Miami', '1395 Brickell Ave', '33131')
+insert into review(hotel_id, idx, check_in_date, rating, trip_type, title, details) values (20, 0, '2010-01-09', 3, 2, 'Close to the local attractions', 'Fantastic access to all the local attractions mean you won''t mind the small rooms.')
+insert into review(hotel_id, idx, check_in_date, rating, trip_type, title, details) values (20, 1, '2010-09-10', 2, 2, 'Good value and friendly', 'Not expensive and very welcoming staff. I would stay again.')
+
+-- Melbourne
+insert into city(country, name, state, map) values ('USA', 'Melbourne', 'FL', '28.083627, -80.608109')
+insert into hotel(city_id, name, address, zip) values (17, 'Radisson Suite Hotel Oceanfront', '3101 North Hwy', '32903')
+insert into review(hotel_id, idx, check_in_date, rating, trip_type, title, details) values (21, 0, '2005-06-15', 3, 3, 'A very nice hotel', 'I can''t fault this hotel and I have stayed here many times.  Always friendly staff and lovely atmosphere.')
+insert into review(hotel_id, idx, check_in_date, rating, trip_type, title, details) values (21, 1, '2006-01-20', 2, 4, 'Comfortable and good value', 'To complaints at all.')
+insert into review(hotel_id, idx, check_in_date, rating, trip_type, title, details) values (21, 2, '2007-08-21', 3, 1, 'Above average', 'Better than a lot of hotels in the area and not too pricey.')
+
+-- New York
+insert into city(country, name, state, map) values ('USA', 'New York', 'NY', '40.714353, -74.005973')
+insert into hotel(city_id, name, address, zip) values (18, 'W Union Hotel', 'Union Square, Manhattan', '10011')
+insert into review(hotel_id, idx, check_in_date, rating, trip_type, title, details) values (22, 0, '2002-01-19', 0, 1, 'Too noisy, too small', 'The city never sleeps and neither will you if you say here.  The rooms are small and the sound insulation is poor!')
+insert into review(hotel_id, idx, check_in_date, rating, trip_type, title, details) values (22, 1, '2004-03-10', 1, 4, 'Overpriced', 'Far too much money for such a tiny room!')
+insert into review(hotel_id, idx, check_in_date, rating, trip_type, title, details) values (22, 2, '2007-04-11', 2, 0, 'So so, nothing special', 'Not brilliant but not too bad either.')
+insert into hotel(city_id, name, address, zip) values (18, 'W Lexington Hotel', 'Lexington Ave, Manhattan', '10011')
+insert into review(hotel_id, idx, check_in_date, rating, trip_type, title, details) values (23, 0, '2004-07-21', 3, 2, 'Excellent location', 'So close to the heart of the city.  Recommended.')
+insert into review(hotel_id, idx, check_in_date, rating, trip_type, title, details) values (23, 1, '2006-05-20', 3, 1, 'Very nice', 'I can''t fault this hotel, clean, good location and nice staff.')
+insert into hotel(city_id, name, address, zip) values (18, '70 Park Avenue Hotel', '70 Park Avenue', '10011')
+insert into review(hotel_id, idx, check_in_date, rating, trip_type, title, details) values (24, 0, '2003-11-10', 4, 1, 'Great!!', 'I own this hotel and I think it is pretty darn good.')
+
+-- Palm Bay
+insert into city(country, name, state, map) values ('USA', 'Palm Bay', 'FL', '28.034462, -80.588665')
+insert into hotel(city_id, name, address, zip) values (19, 'Jameson Inn', '890 Palm Bay Rd NE', '32905')
+insert into review(hotel_id, idx, check_in_date, rating, trip_type, title, details) values (25, 0, '2005-10-20', 3, 2, 'Fantastical', 'This is the BEST hotel in Palm Bay, not complaints at all.')
+insert into review(hotel_id, idx, check_in_date, rating, trip_type, title, details) values (25, 1, '2006-01-12', 4, 1, 'Top marks', 'I rate this hotel 5 stars, the best in the area by miles.')
+
+-- San Francisco
+insert into city(country, name, state, map) values ('USA', 'San Francisco', 'CA', '37.77493, -122.419415')
+insert into hotel(city_id, name, address, zip) values (20, 'Marriot Downtown', '55 Fourth Street', '94103')
+insert into review(hotel_id, idx, check_in_date, rating, trip_type, title, details) values (26, 0, '2006-07-02', 2, 3, 'Could be better', 'I stayed in late 2006 with work, the room was very small and the restaurant does not stay open very late.')
+insert into review(hotel_id, idx, check_in_date, rating, trip_type, title, details) values (26, 1, '2008-07-01', 1, 4, 'Brrrr cold!', 'My room was freezing cold, I would not recommend this place.')
+insert into review(hotel_id, idx, check_in_date, rating, trip_type, title, details) values (26, 2, '2009-01-05', 3, 2, 'Nice for money', 'You can''t really go wrong here for the money.  There may be better places to stay but not for this price.')
+
+-- Washington
+insert into city(country, name, state, map) values ('USA', 'Washington', 'DC', '38.895112, -77.036366')
+insert into hotel(city_id, name, address, zip) values (21, 'Hotel Rouge', '1315 16th Street NW', '20036')
+insert into review(hotel_id, idx, check_in_date, rating, trip_type, title, details) values (27, 0, '2000-01-29', 0, 2, 'Never again', 'I will never ever stay here again!!  They wanted extra cash to get fresh batteries for the TV remote')
+insert into review(hotel_id, idx, check_in_date, rating, trip_type, title, details) values (27, 1, '2006-02-20', 0, 0, 'Avoid', 'This place is the pits, they charged us twice for a single night stay.  I only got refunded after contacting my credit card company.')

spring-boot-samples/spring-boot-sample-hibernate4/src/test/java/sample/hibernate4/SampleDataJpaApplicationTests.java

@@ -0,0 +1,80 @@
+/*
+ * Copyright 2012-2016 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 sample.hibernate4;
+
+import java.lang.management.ManagementFactory;
+
+import javax.management.ObjectName;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.ActiveProfiles;
+import org.springframework.test.context.TestPropertySource;
+import org.springframework.test.context.junit4.SpringRunner;
+import org.springframework.test.web.servlet.MockMvc;
+import org.springframework.test.web.servlet.setup.MockMvcBuilders;
+import org.springframework.web.context.WebApplicationContext;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.content;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
+
+/**
+ * Integration test to run the application.
+ *
+ * @author Oliver Gierke
+ * @author Dave Syer
+ */
+@RunWith(SpringRunner.class)
+@SpringBootTest
+// Enable JMX so we can test the MBeans (you can't do this in a properties file)
+@TestPropertySource(properties = { "spring.jmx.enabled:true",
+		"spring.datasource.jmx-enabled:true" })
+@ActiveProfiles("scratch")
+// Separate profile for web tests to avoid clashing databases
+public class SampleDataJpaApplicationTests {
+
+	@Autowired
+	private WebApplicationContext context;
+
+	private MockMvc mvc;
+
+	@Before
+	public void setUp() {
+		this.mvc = MockMvcBuilders.webAppContextSetup(this.context).build();
+	}
+
+	@Test
+	public void testHome() throws Exception {
+
+		this.mvc.perform(get("/")).andExpect(status().isOk())
+				.andExpect(content().string("Bath"));
+	}
+
+	@Test
+	public void testJmx() throws Exception {
+		assertThat(ManagementFactory.getPlatformMBeanServer()
+				.queryMBeans(new ObjectName("jpa.sample:type=ConnectionPool,*"), null))
+						.hasSize(1);
+	}
+
+}

spring-boot-samples/spring-boot-sample-hibernate4/src/test/java/sample/hibernate4/service/CityRepositoryIntegrationTests.java

@@ -0,0 +1,49 @@
+/*
+ * Copyright 2012-2016 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 sample.hibernate4.service;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import sample.hibernate4.domain.City;
+import sample.hibernate4.service.CityRepository;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.PageRequest;
+import org.springframework.test.context.junit4.SpringRunner;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+/**
+ * Integration tests for {@link CityRepository}.
+ *
+ * @author Oliver Gierke
+ */
+@RunWith(SpringRunner.class)
+@SpringBootTest
+public class CityRepositoryIntegrationTests {
+
+	@Autowired
+	CityRepository repository;
+
+	@Test
+	public void findsFirstPageOfCities() {
+
+		Page<City> cities = this.repository.findAll(new PageRequest(0, 10));
+		assertThat(cities.getTotalElements()).isGreaterThan(20L);
+	}
+}

spring-boot-samples/spring-boot-sample-hibernate4/src/test/java/sample/hibernate4/service/HotelRepositoryIntegrationTests.java

@@ -0,0 +1,71 @@
+/*
+ * Copyright 2012-2016 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 sample.hibernate4.service;
+
+import java.util.List;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import sample.hibernate4.domain.City;
+import sample.hibernate4.domain.Hotel;
+import sample.hibernate4.domain.HotelSummary;
+import sample.hibernate4.domain.Rating;
+import sample.hibernate4.domain.RatingCount;
+import sample.hibernate4.service.CityRepository;
+import sample.hibernate4.service.HotelRepository;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.PageRequest;
+import org.springframework.data.domain.Sort.Direction;
+import org.springframework.test.context.junit4.SpringRunner;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+/**
+ * Integration tests for {@link HotelRepository}.
+ *
+ * @author Oliver Gierke
+ */
+@RunWith(SpringRunner.class)
+@SpringBootTest
+public class HotelRepositoryIntegrationTests {
+
+	@Autowired
+	CityRepository cityRepository;
+	@Autowired
+	HotelRepository repository;
+
+	@Test
+	public void executesQueryMethodsCorrectly() {
+		City city = this.cityRepository
+				.findAll(new PageRequest(0, 1, Direction.ASC, "name")).getContent()
+				.get(0);
+		assertThat(city.getName()).isEqualTo("Atlanta");
+
+		Page<HotelSummary> hotels = this.repository.findByCity(city,
+				new PageRequest(0, 10, Direction.ASC, "name"));
+		Hotel hotel = this.repository.findByCityAndName(city,
+				hotels.getContent().get(0).getName());
+		assertThat(hotel.getName()).isEqualTo("Doubletree");
+
+		List<RatingCount> counts = this.repository.findRatingCounts(hotel);
+		assertThat(counts).hasSize(1);
+		assertThat(counts.get(0).getRating()).isEqualTo(Rating.AVERAGE);
+		assertThat(counts.get(0).getCount()).isGreaterThan(1L);
+	}
+}

spring-boot-samples/spring-boot-sample-hibernate4/src/test/resources/application-scratch.properties

@@ -0,0 +1,2 @@
+spring.datasource.name=scratchdb
+spring.jmx.default-domain=jpa.sample