Main

pom.xml

@@ -47,6 +47,7 @@
 			<artifactId>h2</artifactId>
 			<scope>runtime</scope>
 		</dependency>
+
 		<dependency>
 			<groupId>org.springframework.boot</groupId>
 			<artifactId>spring-boot-starter-test</artifactId>

src/main/java/guru/springframework/spring5webapp/bootstrap/BootstrapData.java

@@ -0,0 +1,65 @@
+package guru.springframework.spring5webapp.bootstrap;
+
+import org.springframework.boot.CommandLineRunner;
+import org.springframework.stereotype.Component;
+
+import guru.springframework.spring5webapp.domain.Author;
+import guru.springframework.spring5webapp.domain.Book;
+import guru.springframework.spring5webapp.domain.Publisher;
+import guru.springframework.spring5webapp.repositories.AuthorRepository;
+import guru.springframework.spring5webapp.repositories.BookRepository;
+import guru.springframework.spring5webapp.repositories.PublisherRepository;
+
+@Component
+public class BootstrapData implements CommandLineRunner{
+
+	private final AuthorRepository authorRepository;
+	private final BookRepository bookRepository;
+	private final PublisherRepository publisherRepository;
+
+
+	public BootstrapData(AuthorRepository authorRepository, BookRepository bookRepository, PublisherRepository publisherRepository) {
+		this.authorRepository = authorRepository;
+		this.bookRepository = bookRepository;
+		this.publisherRepository = publisherRepository;
+	}
+
+
+	@Override
+	public void run(String... args) throws Exception {
+		// TODO Auto-generated method stub
+
+		Author eric = new Author("Eric", "Evans");
+		Book ddd = new Book("Domain Driven Design","4215123");
+		Publisher pearson = new Publisher("Pearson", "214 Ching Street", "Kansas", "MA", 2088012L) ;
+
+
+		eric.getBooks().add(ddd);
+		ddd.getAuthors().add(eric);
+
+		authorRepository.save(eric);
+		bookRepository.save(ddd);
+		ddd.setPublisher(pearson);
+		pearson.getBooks().add(ddd);
+
+		Author rod = new Author("Rod","Jonson");
+		Book notJb = new Book("J2EE without EJ8","1253124");
+
+
+		rod.getBooks().add(notJb);
+		notJb.getAuthors().add(rod);
+
+		authorRepository.save(rod);
+		bookRepository.save(notJb);
+		publisherRepository.save(pearson);
+		pearson.getBooks().add(notJb);
+
+
+		notJb.setPublisher(pearson);
+
+		System.out.println("Started in bootstrap");
+		System.out.println("Number of books: "+bookRepository.count());
+		System.out.println("Number of publishers: "+publisherRepository.count());
+	}
+
+}

src/main/java/guru/springframework/spring5webapp/controllers/AuthorController.java

@@ -0,0 +1,25 @@
+package guru.springframework.spring5webapp.controllers;
+
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.RequestMapping;
+
+import guru.springframework.spring5webapp.repositories.AuthorRepository;
+
+@Controller
+public class AuthorController {
+
+	private final AuthorRepository authorRepository;
+
+	public AuthorController(AuthorRepository authorRepository) {
+		this.authorRepository = authorRepository;
+	}
+
+	@RequestMapping("/authors")
+	public String getAuthors(Model model) {
+		model.addAttribute("authors", authorRepository.findAll());
+
+		return "authors/list";
+	}
+
+}

src/main/java/guru/springframework/spring5webapp/controllers/BookController.java

@@ -0,0 +1,26 @@
+package guru.springframework.spring5webapp.controllers;
+
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.RequestMapping;
+
+import guru.springframework.spring5webapp.repositories.BookRepository;
+
+@Controller
+public class BookController {
+
+	private final BookRepository bookRepository;
+
+	public BookController(BookRepository bookRepository) {
+		this.bookRepository = bookRepository;
+	}
+
+	@RequestMapping("/books")
+	public String getBooks(Model model) {
+
+		model.addAttribute("books", bookRepository.findAll());
+
+		return "books/list";
+	}
+
+}

src/main/java/guru/springframework/spring5webapp/domain/Author.java

@@ -0,0 +1,92 @@
+package guru.springframework.spring5webapp.domain;
+
+import java.util.HashSet;
+import java.util.Objects;
+import java.util.Set;
+
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
+import javax.persistence.Id;
+import javax.persistence.ManyToMany;
+
+
+@Entity
+public class Author {
+
+	@Id
+	@GeneratedValue(strategy = GenerationType.AUTO)
+	private Long id;
+
+	private String firstName;
+	private String lastName;
+
+	@ManyToMany(mappedBy = "authors")
+	private Set<Book> books = new HashSet<>();
+
+	public Author() {
+	}
+
+	public Author(String firstName, String lastName) {
+		this.firstName = firstName;
+		this.lastName = lastName;
+	}
+
+
+	public Long getId() {
+		return id;
+	}
+
+	public void setId(Long id) {
+		this.id = id;
+	}
+
+	public String getFirstName() {
+		return firstName;
+	}
+
+	public void setFirstName(String firstName) {
+		this.firstName = firstName;
+	}
+
+	public String getLastName() {
+		return lastName;
+	}
+
+	public void setLastName(String lastName) {
+		this.lastName = lastName;
+	}
+
+	public Set<Book> getBooks() {
+		return books;
+	}
+
+	public void setBooks(Set<Book> books) {
+		this.books = books;
+	}
+
+	@Override
+	public int hashCode() {
+		return Objects.hash(id);
+	}
+
+	@Override
+	public boolean equals(Object obj) {
+		if (this == obj)
+			return true;
+		if (obj == null)
+			return false;
+		if (getClass() != obj.getClass())
+			return false;
+		Author other = (Author) obj;
+		return Objects.equals(id, other.id);
+	}
+
+	@Override
+	public String toString() {
+		return "Author [id=" + id + ", firstName=" + firstName + ", lastName=" + lastName +"]";
+	}
+
+
+
+}

src/main/java/guru/springframework/spring5webapp/domain/Book.java

@@ -0,0 +1,106 @@
+package guru.springframework.spring5webapp.domain;
+
+import java.util.HashSet;
+import java.util.Objects;
+import java.util.Set;
+
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
+import javax.persistence.Id;
+import javax.persistence.JoinColumn;
+import javax.persistence.JoinTable;
+import javax.persistence.ManyToMany;
+import javax.persistence.ManyToOne;
+
+@Entity
+public class Book {
+
+	private String title;
+	private String isbn;
+
+	@ManyToOne
+	private Publisher publisher;
+
+	@ManyToMany
+	@JoinTable(name="author_book", joinColumns = @JoinColumn(name="book_id"),
+			   inverseJoinColumns = @JoinColumn(name="author_id"))
+	private Set<Author> authors = new HashSet<>();
+
+	@Id
+	@GeneratedValue(strategy = GenerationType.AUTO)
+	private Long id;
+
+	public Book() {}
+
+	public Book(String title, String isbn) {
+		this.title = title;
+		this.isbn = isbn;
+	}
+
+
+	public Publisher getPublisher() {
+		return publisher;
+	}
+
+	public void setPublisher(Publisher publisher) {
+		this.publisher = publisher;
+	}
+
+	public Long getId() {
+		return id;
+	}
+
+	public void setId(Long id) {
+		this.id = id;
+	}
+
+	public String getTitle() {
+		return title;
+	}
+
+	public void setTitle(String title) {
+		this.title = title;
+	}
+
+	public String getIsbn() {
+		return isbn;
+	}
+
+	public void setIsbn(String isbn) {
+		this.isbn = isbn;
+	}
+
+	public Set<Author> getAuthors() {
+		return authors;
+	}
+
+	public void setAuthors(Set<Author> authors) {
+		this.authors = authors;
+	}
+
+	@Override
+	public int hashCode() {
+		return Objects.hash(id);
+	}
+
+	@Override
+	public boolean equals(Object obj) {
+		if (this == obj)
+			return true;
+		if (obj == null)
+			return false;
+		if (getClass() != obj.getClass())
+			return false;
+		Book other = (Book) obj;
+		return Objects.equals(id, other.id);
+	}
+
+	@Override
+	public String toString() {
+		return "Book [title=" + title + ", isbn=" + isbn + ", id=" + id + "]";
+	}
+
+
+
+}