JAVA-10516: Revisit spring-boot module inside spring-boot-modules folder (#12038)

spring-boot-modules/spring-boot-crud/src/main/java/com/baeldung/demo/DemoApplication.java

@@ -0,0 +1,14 @@
+package com.baeldung.demo;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class DemoApplication {
+
+    public static void main(String[] args) {
+        System.setProperty("spring.config.name", "demo");
+        SpringApplication.run(DemoApplication.class, args);
+    }
+
+}

spring-boot-modules/spring-boot-crud/src/main/java/com/baeldung/demo/components/FooService.java

@@ -0,0 +1,21 @@
+package com.baeldung.demo.components;
+
+import com.baeldung.demo.model.Foo;
+import com.baeldung.demo.repository.FooRepository;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
+
+@Component
+public class FooService {
+
+    @Autowired
+    private FooRepository fooRepository;
+
+    public Foo getFooWithId(Integer id) throws Exception {
+        return fooRepository.findById(id).orElse(null);
+    }
+
+    public Foo getFooWithName(String name) {
+        return fooRepository.findByName(name);
+    }
+}

spring-boot-modules/spring-boot-crud/src/main/java/com/baeldung/demo/exceptions/CommonException.java

@@ -0,0 +1,13 @@
+package com.baeldung.demo.exceptions;
+
+public class CommonException extends RuntimeException {
+
+    /**
+     * 
+     */
+    private static final long serialVersionUID = 3080004140659213332L;
+
+    public CommonException(String message) {
+        super(message);
+    }
+}

spring-boot-modules/spring-boot-crud/src/main/java/com/baeldung/demo/exceptions/FooNotFoundException.java

@@ -0,0 +1,13 @@
+package com.baeldung.demo.exceptions;
+
+public class FooNotFoundException extends RuntimeException {
+
+    /**
+     * 
+     */
+    private static final long serialVersionUID = 9042200028456133589L;
+
+    public FooNotFoundException(String message) {
+        super(message);
+    }
+}

spring-boot-modules/spring-boot-crud/src/main/java/com/baeldung/demo/model/Foo.java

@@ -0,0 +1,45 @@
+package com.baeldung.demo.model;
+
+import java.io.Serializable;
+
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.Id;
+
+@Entity
+public class Foo implements Serializable {
+    private static final long serialVersionUID = 1L;
+    @Id
+    @GeneratedValue
+    private Integer id;
+    private String name;
+
+    public Foo() {
+    }
+
+    public Foo(String name) {
+        this.name = name;
+    }
+
+    public Foo(Integer id, String name) {
+        super();
+        this.id = id;
+        this.name = name;
+    }
+
+    public Integer getId() {
+        return id;
+    }
+
+    public void setId(Integer id) {
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+}

spring-boot-modules/spring-boot-crud/src/main/java/com/baeldung/demo/repository/FooRepository.java

@@ -0,0 +1,8 @@
+package com.baeldung.demo.repository;
+
+import com.baeldung.demo.model.Foo;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+public interface FooRepository extends JpaRepository<Foo, Integer> {
+    public Foo findByName(String name);
+}

spring-boot-modules/spring-boot-crud/src/main/java/com/baeldung/demo/service/FooController.java

@@ -0,0 +1,26 @@
+package com.baeldung.demo.service;
+
+import com.baeldung.demo.model.Foo;
+import com.baeldung.demo.components.FooService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+public class FooController {
+
+    @Autowired
+    private FooService fooService;
+
+    @GetMapping("/{id}")
+    public Foo getFooWithId(@PathVariable Integer id) throws Exception {
+        return fooService.getFooWithId(id);
+    }
+
+    @GetMapping("/")
+    public Foo getFooWithName(@RequestParam String name) throws Exception {
+        return fooService.getFooWithName(name);
+    }
+}

spring-boot-modules/spring-boot-crud/src/main/java/com/baeldung/session/exception/Application.java

@@ -0,0 +1,16 @@
+package com.baeldung.session.exception;
+
+import com.baeldung.demo.model.Foo;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.boot.autoconfigure.domain.EntityScan;
+
+@EntityScan(basePackageClasses = Foo.class)
+@SpringBootApplication
+public class Application {
+    public static void main(String[] args) {
+        System.setProperty("spring.config.name", "exception");
+        System.setProperty("spring.profiles.active", "exception");
+        SpringApplication.run(Application.class, args);
+    }
+}

spring-boot-modules/spring-boot-crud/src/main/java/com/baeldung/session/exception/repository/FooRepository.java

@@ -0,0 +1,10 @@
+package com.baeldung.session.exception.repository;
+
+import com.baeldung.demo.model.Foo;
+
+public interface FooRepository {
+
+    void save(Foo foo);
+
+    Foo get(Integer id);
+}

spring-boot-modules/spring-boot-crud/src/main/java/com/baeldung/session/exception/repository/FooRepositoryImpl.java

@@ -0,0 +1,26 @@
+package com.baeldung.session.exception.repository;
+
+import javax.persistence.EntityManagerFactory;
+
+import com.baeldung.demo.model.Foo;
+import org.hibernate.SessionFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.annotation.Profile;
+import org.springframework.stereotype.Repository;
+
+@Profile("exception")
+@Repository
+public class FooRepositoryImpl implements FooRepository {
+    @Autowired
+    private EntityManagerFactory emf;
+
+    @Override
+    public void save(Foo foo) {
+        emf.unwrap(SessionFactory.class).getCurrentSession().saveOrUpdate(foo);
+    }
+
+    @Override
+    public Foo get(Integer id) {
+        return emf.unwrap(SessionFactory.class).getCurrentSession().get(Foo.class, id);
+    }
+}

spring-boot-modules/spring-boot-crud/src/test/java/com/baeldung/boot/ApplicationIntegrationTest.java

@@ -0,0 +1,18 @@
+package com.baeldung.boot;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.TestPropertySource;
+import org.springframework.test.context.junit4.SpringRunner;
+
+import com.baeldung.session.exception.Application;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest(classes = Application.class)
+@TestPropertySource("classpath:exception.properties")
+public class ApplicationIntegrationTest {
+    @Test
+    public void contextLoads() {
+    }
+}

spring-boot-modules/spring-boot-crud/src/test/java/com/baeldung/boot/repository/FooRepositoryIntegrationTest.java

@@ -0,0 +1,35 @@
+package com.baeldung.boot.repository;
+
+import com.baeldung.demo.DemoApplicationIntegrationTest;
+import com.baeldung.demo.model.Foo;
+import com.baeldung.demo.repository.FooRepository;
+import org.junit.Before;
+import org.junit.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.transaction.annotation.Transactional;
+
+import static org.hamcrest.Matchers.is;
+import static org.hamcrest.Matchers.notNullValue;
+import static org.junit.Assert.assertThat;
+
+@Transactional
+public class FooRepositoryIntegrationTest extends DemoApplicationIntegrationTest {
+    @Autowired
+    private FooRepository fooRepository;
+
+    @Before
+    public void setUp() {
+        fooRepository.save(new Foo("Foo"));
+        fooRepository.save(new Foo("Bar"));
+    }
+
+    @Test
+    public void testFindByName() {
+        Foo foo = fooRepository.findByName("Bar");
+
+        assertThat(foo, notNullValue());
+        assertThat(foo.getId(), notNullValue());
+        assertThat(foo.getName(), is("Bar"));
+    }
+
+}

spring-boot-modules/spring-boot-crud/src/test/java/com/baeldung/boot/repository/HibernateSessionIntegrationTest.java

@@ -0,0 +1,29 @@
+package com.baeldung.boot.repository;
+
+import com.baeldung.demo.DemoApplicationIntegrationTest;
+import com.baeldung.demo.model.Foo;
+import com.baeldung.demo.repository.FooRepository;
+import org.junit.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.transaction.annotation.Transactional;
+
+import static org.hamcrest.CoreMatchers.is;
+import static org.hamcrest.CoreMatchers.notNullValue;
+import static org.junit.Assert.assertThat;
+
+@Transactional
+public class HibernateSessionIntegrationTest extends DemoApplicationIntegrationTest {
+    @Autowired
+    private FooRepository fooRepository;
+
+    @Test
+    public void whenSavingWithCurrentSession_thenThrowNoException() {
+        fooRepository.save(new Foo("Exception Solved"));
+
+        Foo foo = fooRepository.findByName("Exception Solved");
+
+        assertThat(foo, notNullValue());
+        assertThat(foo.getId(), notNullValue());
+        assertThat(foo.getName(), is("Exception Solved"));
+    }
+}

spring-boot-modules/spring-boot-crud/src/test/java/com/baeldung/boot/repository/NoHibernateSessionIntegrationTest.java

@@ -0,0 +1,24 @@
+package com.baeldung.boot.repository;
+
+import com.baeldung.boot.ApplicationIntegrationTest;
+import com.baeldung.demo.model.Foo;
+import com.baeldung.session.exception.repository.FooRepository;
+
+import org.hibernate.HibernateException;
+import org.junit.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.test.context.TestPropertySource;
+import org.springframework.transaction.annotation.Transactional;
+
+@Transactional
+@TestPropertySource("classpath:exception-hibernate.properties")
+public class NoHibernateSessionIntegrationTest extends ApplicationIntegrationTest {
+    @Autowired
+    private FooRepository fooRepository;
+
+    @Test(expected = HibernateException.class)
+    public void whenSavingWithoutCurrentSession_thenThrowException() {
+        Foo foo = new Foo("Exception Thrown");
+        fooRepository.save(foo);
+    }
+}

spring-boot-modules/spring-boot-crud/src/test/java/com/baeldung/demo/DemoApplicationIntegrationTest.java

@@ -0,0 +1,17 @@
+package com.baeldung.demo;
+
+import com.baeldung.demo.DemoApplication;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.boot.test.context.SpringBootTest.WebEnvironment;
+import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
+
+@RunWith(SpringJUnit4ClassRunner.class)
+@SpringBootTest(classes = DemoApplication.class, webEnvironment = WebEnvironment.RANDOM_PORT)
+public class DemoApplicationIntegrationTest {
+
+    @Test
+    public void contextLoads() {
+    }
+}

spring-boot-modules/spring-boot-crud/src/test/resources/exception-hibernate.properties

@@ -0,0 +1,2 @@
+spring.profiles.active=exception
+spring.jpa.properties.hibernate.current_session_context_class=org.springframework.orm.hibernate4.SpringSessionContext

spring-boot-modules/spring-boot-crud/src/test/resources/exception.properties

@@ -0,0 +1,2 @@
+spring.dao.exceptiontranslation.enabled=false
+spring.profiles.active=exception