import com.hellokoding.jpa.model.Book; //导入依赖的package包/类
@Override
@Transactional
public void run(String... strings) throws Exception {
    Book bookA = new Book("Book A");

    Publisher publisherA = new Publisher("Publisher A");

    BookPublisher bookPublisher = new BookPublisher();
    bookPublisher.setBook(bookA);
    bookPublisher.setPublisher(publisherA);
    bookPublisher.setPublishedDate(new Date());
    bookA.getBookPublishers().add(bookPublisher);

    publisherRepository.save(publisherA);
    bookRepository.save(bookA);

    // test
    System.out.println(bookA.getBookPublishers().size());

    // update
    bookA.getBookPublishers().remove(bookPublisher);
    bookRepository.save(bookA);

    // test
    System.out.println(bookA.getBookPublishers().size());
}
 

import com.hellokoding.jpa.model.Book; //导入依赖的package包/类
@Override
@Transactional
public void run(String... strings) throws Exception {
    // save a couple of categories
    final BookCategory categoryA = new BookCategory("Category A");
    Set bookAs = new HashSet<Book>(){{
        add(new Book("Book A1", categoryA));
        add(new Book("Book A2", categoryA));
        add(new Book("Book A3", categoryA));
    }};
    categoryA.setBooks(bookAs);

    final BookCategory categoryB = new BookCategory("Category B");
    Set bookBs = new HashSet<Book>(){{
        add(new Book("Book B1", categoryB));
        add(new Book("Book B2", categoryB));
        add(new Book("Book B3", categoryB));
    }};
    categoryB.setBooks(bookBs);

    bookCategoryRepository.save(new HashSet<BookCategory>() {{
        add(categoryA);
        add(categoryB);
    }});

    // fetch all categories
    for (BookCategory bookCategory : bookCategoryRepository.findAll()) {
        logger.info(bookCategory.toString());
    }
}
 

import com.hellokoding.jpa.model.Book; //导入依赖的package包/类
@Override
public void run(String... strings) throws Exception {
    // save a couple of books
    List<Book> books = new ArrayList<>();
    books.add(new Book("Book A", new BookDetail(49)));
    books.add(new Book("Book B", new BookDetail(59)));
    books.add(new Book("Book C", new BookDetail(69)));
    bookRepository.save(books);

    // fetch all books
    for (Book book : bookRepository.findAll()) {
        logger.info(book.toString());
    }
}
 

import com.hellokoding.jpa.model.Book; //导入依赖的package包/类
@Override
@Transactional
public void run(String... strings) throws Exception {
    // save a couple of categories
    BookCategory categoryA = new BookCategory("Category A");
    Set bookAs = new HashSet<Book>(){{
        add(new Book("Book A1", categoryA));
        add(new Book("Book A2", categoryA));
        add(new Book("Book A3", categoryA));
    }};
    categoryA.setBooks(bookAs);

    BookCategory categoryB = new BookCategory("Category B");
    Set bookBs = new HashSet<Book>(){{
        add(new Book("Book B1", categoryB));
        add(new Book("Book B2", categoryB));
        add(new Book("Book B3", categoryB));
    }};
    categoryB.setBooks(bookBs);

    bookCategoryRepository.save(new HashSet<BookCategory>() {{
        add(categoryA);
        add(categoryB);
    }});

    // fetch all categories
    for (BookCategory bookCategory : bookCategoryRepository.findAll()) {
        logger.info(bookCategory.toString());
    }
}
 

import com.hellokoding.jpa.model.Book; //导入依赖的package包/类
@Override
@Transactional
public void run(String... strings) throws Exception {
    // save a couple of books
    final Publisher publisherA = new Publisher("Publisher A");
    final Publisher publisherB = new Publisher("Publisher B");
    final Publisher publisherC = new Publisher("Publisher C");

    bookRepository.save(new HashSet<Book>(){{
        add(new Book("Book A", new HashSet<Publisher>(){{
            add(publisherA);
            add(publisherB);
        }}));

        add(new Book("Book B", new HashSet<Publisher>(){{
            add(publisherA);
            add(publisherC);
        }}));
    }});

    // fetch all books
    for(Book book : bookRepository.findAll()) {
        logger.info(book.toString());
    }

    // save a couple of publishers
    final Book bookA = new Book("Book A");
    final Book bookB = new Book("Book B");

    publisherRepository.save(new HashSet<Publisher>() {{
        add(new Publisher("Publisher A", new HashSet<Book>() {{
            add(bookA);
            add(bookB);
        }}));

        add(new Publisher("Publisher B", new HashSet<Book>() {{
            add(bookA);
            add(bookB);
        }}));
    }});

    // fetch all publishers
    for(Publisher publisher : publisherRepository.findAll()) {
        logger.info(publisher.toString());
    }
}
 

import com.hellokoding.jpa.model.Book; //导入依赖的package包/类
@Override
@Transactional
public void run(String... strings) throws Exception {
    // save a couple of books
    Publisher publisherA = new Publisher("Publisher A");
    Publisher publisherB = new Publisher("Publisher B");
    Publisher publisherC = new Publisher("Publisher C");

    bookRepository.save(new HashSet<Book>(){{
        add(new Book("Book A", new HashSet<Publisher>(){{
            add(publisherA);
            add(publisherB);
        }}));

        add(new Book("Book B", new HashSet<Publisher>(){{
            add(publisherA);
            add(publisherC);
        }}));
    }});

    // fetch all books
    for(Book book : bookRepository.findAll()) {
        logger.info(book.toString());
    }

    // save a couple of publishers
    Book bookA = new Book("Book A");
    Book bookB = new Book("Book B");

    publisherRepository.save(new HashSet<Publisher>() {{
        add(new Publisher("Publisher A", new HashSet<Book>() {{
            add(bookA);
            add(bookB);
        }}));

        add(new Publisher("Publisher B", new HashSet<Book>() {{
            add(bookA);
            add(bookB);
        }}));
    }});

    // fetch all publishers
    for(Publisher publisher : publisherRepository.findAll()) {
        logger.info(publisher.toString());
    }
}