Examples of com.geekhub.lessons.lesson7.storage.Storage.list()

Package com.geekhub.lessons.lesson7.storage

Class com.geekhub.lessons.lesson7.storage.Storage

Examples of com.geekhub.lessons.lesson7.storage.Storage.list()

com.geekhub.lessons.lesson7.storage.Storage.list()
Retrieves all {@link com.geekhub.lessons.lesson7.objects.Entity} from storage. @param clazz type of objects that needs to be retrieved. @param < T> @return list of objects of specified type or empty list if storage does not contains any object of that type. @throws Exception

public class Test {
   public static void main(String[] args) throws Exception {
        Connection connection = createConnection("root", "root", "geekdb");


        Storage storage = new DatabaseStorage(connection);
        List<Cat> cats = storage.list(Cat.class);
        for (Cat cat : cats) {
            storage.delete(cat);
        }
        cats = storage.list(Cat.class);
        if (!cats.isEmpty()) throw new Exception("Cats should not be in database!");

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        Storage storage = new DatabaseStorage(connection);
        List<Cat> cats = storage.list(Cat.class);
        for (Cat cat : cats) {
            storage.delete(cat);
        }
        cats = storage.list(Cat.class);
        if (!cats.isEmpty()) throw new Exception("Cats should not be in database!");


        for (int i = 1; i <= 20; i++) {
            Cat cat = new Cat();
            cat.setName("cat" + i);

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            cat.setName("cat" + i);
            cat.setAge(i);
            storage.save(cat);
        }


        cats = storage.list(Cat.class);
        if (cats.size() != 20) throw new Exception("Number of cats in storage should be 20!");


        User user = new User();
        user.setAdmin(true);
        user.setAge(23);

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public class Test {
   public static void main(String[] args) throws Exception {
        Connection connection = createConnection("root", "root", "geekdb");


        Storage storage = new DatabaseStorage(connection);
        List<Cat> cats = storage.list(Cat.class);
        for (Cat cat : cats) {
            storage.delete(cat);
        }
        cats = storage.list(Cat.class);
        if (!cats.isEmpty()) throw new Exception("Cats should not be in database!");

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        Storage storage = new DatabaseStorage(connection);
        List<Cat> cats = storage.list(Cat.class);
        for (Cat cat : cats) {
            storage.delete(cat);
        }
        cats = storage.list(Cat.class);
        if (!cats.isEmpty()) throw new Exception("Cats should not be in database!");


        for (int i = 1; i <= 20; i++) {
            Cat cat = new Cat();
            cat.setName("cat" + i);

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            cat.setName("cat" + i);
            cat.setAge(i);
            storage.save(cat);
        }


        cats = storage.list(Cat.class);
        if (cats.size() != 20) throw new Exception("Number of cats in storage should be 20!");


        User user = new User();
        user.setAdmin(true);
        user.setAge(23);

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    private static String url = "jdbc:mysql://localhost:3306/";
    public static void main(String[] args) throws Exception {
        Connection connection = createConnection("test", "root", "geekdb");


        Storage storage = new DatabaseStorage(connection);
        List<Cat> cats = storage.list(Cat.class);
        for (Cat cat : cats) {
            storage.delete(cat);
        }
        cats = storage.list(Cat.class);
        if (!cats.isEmpty()) throw new Exception("Cats should not be in database!");

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        Storage storage = new DatabaseStorage(connection);
        List<Cat> cats = storage.list(Cat.class);
        for (Cat cat : cats) {
            storage.delete(cat);
        }
        cats = storage.list(Cat.class);
        if (!cats.isEmpty()) throw new Exception("Cats should not be in database!");


        for(int i = 1; i <= 20; i++) {
            Cat cat = new Cat();
            cat.setName("cat" + i);

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            cat.setName("cat" + i);
            cat.setAge(i);
            storage.save(cat);
        }


        cats = storage.list(Cat.class);
        if (cats.size() != 20) throw new Exception("Number of cats in storage should be 20!");


        User user = new User();
        user.setAdmin(true);
        user.setAge(23);

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public class Test {
    public static void main(String[] args) throws Exception {
        Connection connection = createConnection("root", "root", "jdbc:mysql://localhost/geekdb");


        Storage storage = new DatabaseStorage(connection);
        List<Cat> cats = storage.list(Cat.class);
        for (Cat cat : cats) {
            storage.delete(cat);
        }
        cats = storage.list(Cat.class);
        if (!cats.isEmpty()) throw new Exception("Cats should not be in database!");

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