Add a plain JPA sample application

Closes gh-1761

spring-boot-samples/spring-boot-sample-jpa/src/main/java/sample/jpa/SampleJpaApplication.java

@@ -0,0 +1,29 @@
+/*
+ * Copyright 2012-2014 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 sample.jpa;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class SampleJpaApplication {
+
+	public static void main(String[] args) throws Exception {
+		SpringApplication.run(SampleJpaApplication.class, args);
+	}
+
+}

spring-boot-samples/spring-boot-sample-jpa/src/main/java/sample/jpa/domain/Note.java

@@ -0,0 +1,73 @@
+/*
+ * Copyright 2012-2014 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 sample.jpa.domain;
+
+import java.util.List;
+
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
+import javax.persistence.Id;
+import javax.persistence.ManyToMany;
+
+@Entity
+public class Note {
+
+	@Id
+	@GeneratedValue(strategy = GenerationType.AUTO)
+	private long id;
+
+	private String title;
+
+	private String body;
+
+	@ManyToMany
+	private List<Tag> tags;
+
+	public long getId() {
+		return this.id;
+	}
+
+	public void setId(long id) {
+		this.id = id;
+	}
+
+	public String getTitle() {
+		return this.title;
+	}
+
+	public void setTitle(String title) {
+		this.title = title;
+	}
+
+	public String getBody() {
+		return this.body;
+	}
+
+	public void setBody(String body) {
+		this.body = body;
+	}
+
+	public List<Tag> getTags() {
+		return this.tags;
+	}
+
+	public void setTags(List<Tag> tags) {
+		this.tags = tags;
+	}
+
+}

spring-boot-samples/spring-boot-sample-jpa/src/main/java/sample/jpa/domain/Tag.java

@@ -0,0 +1,63 @@
+/*
+ * Copyright 2012-2014 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 sample.jpa.domain;
+
+import java.util.List;
+
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
+import javax.persistence.Id;
+import javax.persistence.ManyToMany;
+
+@Entity
+public class Tag {
+
+	@Id
+	@GeneratedValue(strategy = GenerationType.AUTO)
+	private long id;
+
+	private String name;
+
+	@ManyToMany(mappedBy = "tags")
+	private List<Note> notes;
+
+	public long getId() {
+		return this.id;
+	}
+
+	public void setId(long id) {
+		this.id = id;
+	}
+
+	public String getName() {
+		return this.name;
+	}
+
+	public void setName(String name) {
+		this.name = name;
+	}
+
+	public List<Note> getNotes() {
+		return this.notes;
+	}
+
+	public void setNotes(List<Note> notes) {
+		this.notes = notes;
+	}
+
+}

spring-boot-samples/spring-boot-sample-jpa/src/main/java/sample/jpa/repository/JpaNoteRepository.java

@@ -0,0 +1,40 @@
+/*
+ * Copyright 2012-2014 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 sample.jpa.repository;
+
+import java.util.List;
+
+import javax.persistence.EntityManager;
+import javax.persistence.PersistenceContext;
+
+import org.springframework.stereotype.Repository;
+
+import sample.jpa.domain.Note;
+
+@Repository
+class JpaNoteRepository implements NoteRepository {
+
+	@PersistenceContext
+	private EntityManager entityManager;
+
+	@Override
+	public List<Note> findAll() {
+		return this.entityManager.createQuery("SELECT n FROM Note n", Note.class)
+				.getResultList();
+	}
+
+}

spring-boot-samples/spring-boot-sample-jpa/src/main/java/sample/jpa/repository/JpaTagRepository.java

@@ -0,0 +1,40 @@
+/*
+ * Copyright 2012-2014 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 sample.jpa.repository;
+
+import java.util.List;
+
+import javax.persistence.EntityManager;
+import javax.persistence.PersistenceContext;
+
+import org.springframework.stereotype.Repository;
+
+import sample.jpa.domain.Tag;
+
+@Repository
+class JpaTagRepository implements TagRepository {
+
+	@PersistenceContext
+	private EntityManager entityManager;
+
+	@Override
+	public List<Tag> findAll() {
+		return this.entityManager.createQuery("SELECT t FROM Tag t", Tag.class)
+				.getResultList();
+	}
+
+}

spring-boot-samples/spring-boot-sample-jpa/src/main/java/sample/jpa/repository/NoteRepository.java

@@ -0,0 +1,27 @@
+/*
+ * Copyright 2012-2014 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 sample.jpa.repository;
+
+import java.util.List;
+
+import sample.jpa.domain.Note;
+
+public interface NoteRepository {
+
+	List<Note> findAll();
+
+}

spring-boot-samples/spring-boot-sample-jpa/src/main/java/sample/jpa/repository/TagRepository.java

@@ -0,0 +1,27 @@
+/*
+ * Copyright 2012-2014 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 sample.jpa.repository;
+
+import java.util.List;
+
+import sample.jpa.domain.Tag;
+
+public interface TagRepository {
+
+	List<Tag> findAll();
+
+}

spring-boot-samples/spring-boot-sample-jpa/src/main/java/sample/jpa/web/IndexController.java

@@ -0,0 +1,45 @@
+/*
+ * Copyright 2012-2014 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 sample.jpa.web;
+
+import java.util.List;
+
+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.servlet.ModelAndView;
+
+import sample.jpa.domain.Note;
+import sample.jpa.repository.NoteRepository;
+
+@Controller
+public class IndexController {
+
+	@Autowired
+	private NoteRepository noteRepository;
+
+	@RequestMapping("/")
+	@Transactional(readOnly = true)
+	public ModelAndView index() {
+		List<Note> notes = this.noteRepository.findAll();
+		ModelAndView modelAndView = new ModelAndView("index");
+		modelAndView.addObject("notes", notes);
+		return modelAndView;
+	}
+
+}