moved 'limiting jpa query result' examples from spring-data-jpa to spring-data-jpa-3

persistence-modules/spring-data-jpa-2/README.md

@@ -9,6 +9,7 @@
 - [JPA @Embedded And @Embeddable](https://www.baeldung.com/jpa-embedded-embeddable)
 - [Spring Data JPA Delete and Relationships](https://www.baeldung.com/spring-data-jpa-delete)
 - [Spring Data JPA and Named Entity Graphs](https://www.baeldung.com/spring-data-jpa-named-entity-graphs)
+
 - [Batch Insert/Update with Hibernate/JPA](https://www.baeldung.com/jpa-hibernate-batch-insert-update)
 - [Difference Between save() and saveAndFlush() in Spring Data JPA](https://www.baeldung.com/spring-data-jpa-save-saveandflush)
 - [Derived Query Methods in Spring Data JPA Repositories](https://www.baeldung.com/spring-data-derived-queries)

persistence-modules/spring-data-jpa-3/README.md

@@ -1 +1,2 @@
 ### Relevant Articles: 
+- [Limiting Query Results with JPA and Spring Data JPA](https://www.baeldung.com/jpa-limit-query-results)

persistence-modules/spring-data-jpa-3/pom.xml

@@ -1,6 +1,5 @@
 <?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"
+<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>
 
@@ -16,8 +15,23 @@
     </parent>
 
     <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-data-jpa</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>com.h2database</groupId>
+            <artifactId>h2</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+            <scope>test</scope>
+        </dependency>
     </dependencies>
-	
+
     <properties>
     </properties>
 </project>

persistence-modules/spring-data-jpa-3/src/main/java/com/baeldung/boot/Application.java

@@ -0,0 +1,15 @@
+package com.baeldung.boot;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.data.jpa.repository.config.EnableJpaRepositories;
+
+@SpringBootApplication
+@EnableJpaRepositories
+public class Application {
+
+    public static void main(String[] args) {
+        SpringApplication.run(Application.class, args);
+    }
+
+}

persistence-modules/spring-data-jpa-3/src/main/java/com/baeldung/boot/passenger/Passenger.java

@@ -0,0 +1,82 @@
+package com.baeldung.boot.passenger;
+
+import javax.persistence.Basic;
+import javax.persistence.Column;
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.Id;
+import java.util.Objects;
+
+@Entity
+class Passenger {
+
+    @Id
+    @GeneratedValue
+    @Column(nullable = false)
+    private Long id;
+
+    @Basic(optional = false)
+    @Column(nullable = false)
+    private String firstName;
+
+    @Basic(optional = false)
+    @Column(nullable = false)
+    private String lastName;
+
+    @Basic(optional = false)
+    @Column(nullable = false)
+    private Integer seatNumber;
+
+    private Passenger(String firstName, String lastName, Integer seatNumber) {
+        this.firstName = firstName;
+        this.lastName = lastName;
+        this.seatNumber = seatNumber;
+    }
+
+    static Passenger from(String firstName, String lastName, Integer seatNumber) {
+        return new Passenger(firstName, lastName, seatNumber);
+    }
+
+    @Override
+    public boolean equals(Object object) {
+        if (this == object)
+            return true;
+        if (object == null || getClass() != object.getClass())
+            return false;
+        Passenger passenger = (Passenger) object;
+        return getSeatNumber() == passenger.getSeatNumber() && Objects.equals(getFirstName(), passenger.getFirstName())
+          && Objects.equals(getLastName(), passenger.getLastName());
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(getFirstName(), getLastName(), getSeatNumber());
+    }
+
+    @Override
+    public String toString() {
+        final StringBuilder toStringBuilder = new StringBuilder(getClass().getSimpleName());
+        toStringBuilder.append("{ id=").append(id);
+        toStringBuilder.append(", firstName='").append(firstName).append('\'');
+        toStringBuilder.append(", lastName='").append(lastName).append('\'');
+        toStringBuilder.append(", seatNumber=").append(seatNumber);
+        toStringBuilder.append('}');
+        return toStringBuilder.toString();
+    }
+
+    Long getId() {
+        return id;
+    }
+
+    String getFirstName() {
+        return firstName;
+    }
+
+    String getLastName() {
+        return lastName;
+    }
+
+    Integer getSeatNumber() {
+        return seatNumber;
+    }
+}

persistence-modules/spring-data-jpa-3/src/main/java/com/baeldung/boot/passenger/PassengerRepository.java

@@ -0,0 +1,17 @@
+package com.baeldung.boot.passenger;
+
+import java.util.List;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+
+interface PassengerRepository extends JpaRepository<Passenger, Long>, CustomPassengerRepository {
+
+    Passenger findFirstByOrderBySeatNumberAsc();
+
+    Passenger findTopByOrderBySeatNumberAsc();
+
+    List<Passenger> findByOrderBySeatNumberAsc();
+
+    List<Passenger> findByFirstNameIgnoreCase(String firstName);
+
+}

persistence-modules/spring-data-jpa-3/src/main/resources/application.properties

@@ -0,0 +1,6 @@
+spring.main.allow-bean-definition-overriding=true
+
+spring.jpa.properties.hibernate.jdbc.batch_size=4
+spring.jpa.properties.hibernate.order_inserts=true
+spring.jpa.properties.hibernate.order_updates=true
+spring.jpa.properties.hibernate.generate_statistics=true

persistence-modules/spring-data-jpa-3/src/main/resources/logback.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<configuration>
+    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
+        <encoder>
+            <pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n
+            </pattern>
+        </encoder>
+    </appender>
+
+    <root level="INFO">
+        <appender-ref ref="STDOUT" />
+    </root>
+</configuration>

persistence-modules/spring-data-jpa-3/src/test/java/com/baeldung/SpringContextIntegrationTest.java

@@ -0,0 +1,17 @@
+package com.baeldung;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.junit4.SpringRunner;
+
+import com.baeldung.boot.Application;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest(classes = Application.class)
+public class SpringContextIntegrationTest {
+
+    @Test
+    public void whenSpringContextIsBootstrapped_thenNoExceptions() {
+    }
+}

persistence-modules/spring-data-jpa-3/src/test/java/com/baeldung/SpringContextTest.java

@@ -0,0 +1,17 @@
+package com.baeldung;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.junit4.SpringRunner;
+
+import com.baeldung.boot.Application;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest(classes = Application.class)
+public class SpringContextTest {
+
+    @Test
+    public void whenSpringContextIsBootstrapped_thenNoExceptions() {
+    }
+}

persistence-modules/spring-data-jpa-3/src/test/java/com/baeldung/SpringJpaContextIntegrationTest.java

@@ -0,0 +1,19 @@
+package com.baeldung;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.boot.test.autoconfigure.orm.jpa.DataJpaTest;
+import org.springframework.test.context.ContextConfiguration;
+import org.springframework.test.context.junit4.SpringRunner;
+
+import com.baeldung.boot.Application;
+
+@RunWith(SpringRunner.class)
+@DataJpaTest
+@ContextConfiguration(classes = Application.class)
+public class SpringJpaContextIntegrationTest {
+
+    @Test
+    public void whenSpringContextIsBootstrapped_thenNoExceptions() {
+    }
+}

persistence-modules/spring-data-jpa/README.md

@@ -13,7 +13,7 @@
 - [Query Entities by Dates and Times with Spring Data JPA](https://www.baeldung.com/spring-data-jpa-query-by-date)
 - [DDD Aggregates and @DomainEvents](https://www.baeldung.com/spring-data-ddd)
 - [Spring Data – CrudRepository save() Method](https://www.baeldung.com/spring-data-crud-repository-save)
-- [Limiting Query Results with JPA and Spring Data JPA](https://www.baeldung.com/jpa-limit-query-results)
+
 - [Sorting Query Results with Spring Data](https://www.baeldung.com/spring-data-sorting)
 - [INSERT Statement in JPA](https://www.baeldung.com/jpa-insert)
 - [Pagination and Sorting using Spring Data JPA](https://www.baeldung.com/spring-data-jpa-pagination-sorting)

persistence-modules/spring-data-jpa/src/main/java/com/baeldung/boot/passenger/PassengerRepository.java

@@ -1,22 +1,14 @@
 package com.baeldung.boot.passenger;
 
+import java.util.List;
+
 import org.springframework.data.domain.Sort;
 import org.springframework.data.jpa.repository.JpaRepository;
 
-import java.util.List;
+interface PassengerRepository extends JpaRepository<Passenger, Long> {
 
-interface PassengerRepository extends JpaRepository<Passenger, Long>, CustomPassengerRepository {
-
-    Passenger findFirstByOrderBySeatNumberAsc();
-
-    Passenger findTopByOrderBySeatNumberAsc();
-
-    List<Passenger> findByOrderBySeatNumberAsc();
-    
     List<Passenger> findByLastNameOrderBySeatNumberAsc(String lastName);
-    
+
     List<Passenger> findByLastName(String lastName, Sort sort);
 
-    List<Passenger> findByFirstNameIgnoreCase(String firstName);
-
 }