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Example 1 with User

use of org.baeldung.querydsl.intro.entities.User in project tutorials by eugenp.

the class QueryDSLIntegrationTest method whenUsingOrderBy_thenResultsShouldBeOrdered.

@Test
public void whenUsingOrderBy_thenResultsShouldBeOrdered() {
    QUser user = QUser.user;
    List<User> users = queryFactory.selectFrom(user).orderBy(user.login.asc()).fetch();
    assertEquals(users.size(), 4);
    assertEquals(users.get(0).getLogin(), "Ash");
    assertEquals(users.get(1).getLogin(), "Bishop");
    assertEquals(users.get(2).getLogin(), "Call");
    assertEquals(users.get(3).getLogin(), "David");
}
Also used : QUser(org.baeldung.querydsl.intro.entities.QUser) QUser(org.baeldung.querydsl.intro.entities.QUser) User(org.baeldung.querydsl.intro.entities.User)

Example 2 with User

use of org.baeldung.querydsl.intro.entities.User in project tutorials by eugenp.

the class QueryDSLIntegrationTest method whenFindByLogin_thenShouldReturnUser.

@Test
public void whenFindByLogin_thenShouldReturnUser() {
    QUser user = QUser.user;
    User aUser = queryFactory.selectFrom(user).where(user.login.eq("David")).fetchOne();
    assertNotNull(aUser);
    assertEquals(aUser.getLogin(), "David");
}
Also used : QUser(org.baeldung.querydsl.intro.entities.QUser) QUser(org.baeldung.querydsl.intro.entities.QUser) User(org.baeldung.querydsl.intro.entities.User)

Example 3 with User

use of org.baeldung.querydsl.intro.entities.User in project tutorials by eugenp.

the class QueryDSLIntegrationTest method populateDatabase.

@BeforeClass
public static void populateDatabase() {
    emf = Persistence.createEntityManagerFactory("org.baeldung.querydsl.intro");
    EntityManager em = emf.createEntityManager();
    em.getTransaction().begin();
    User user1 = new User();
    user1.setLogin("David");
    em.persist(user1);
    User user2 = new User();
    user2.setLogin("Ash");
    em.persist(user2);
    User user3 = new User();
    user3.setLogin("Call");
    em.persist(user3);
    User user4 = new User();
    user4.setLogin("Bishop");
    em.persist(user4);
    BlogPost blogPost1 = new BlogPost();
    blogPost1.setTitle("Hello World!");
    blogPost1.setUser(user1);
    em.persist(blogPost1);
    BlogPost blogPost2 = new BlogPost();
    blogPost2.setTitle("My Second Post");
    blogPost2.setUser(user1);
    em.persist(blogPost2);
    BlogPost blogPost3 = new BlogPost();
    blogPost3.setTitle("Hello World!");
    blogPost3.setUser(user3);
    em.persist(blogPost3);
    em.getTransaction().commit();
    em.close();
}
Also used : EntityManager(javax.persistence.EntityManager) QUser(org.baeldung.querydsl.intro.entities.QUser) User(org.baeldung.querydsl.intro.entities.User) BlogPost(org.baeldung.querydsl.intro.entities.BlogPost) QBlogPost(org.baeldung.querydsl.intro.entities.QBlogPost)

Example 4 with User

use of org.baeldung.querydsl.intro.entities.User in project tutorials by eugenp.

the class QueryDSLIntegrationTest method whenJoiningWithCondition_thenResultCountShouldMatch.

@Test
public void whenJoiningWithCondition_thenResultCountShouldMatch() {
    QUser user = QUser.user;
    QBlogPost blogPost = QBlogPost.blogPost;
    List<User> users = queryFactory.selectFrom(user).innerJoin(user.blogPosts, blogPost).on(blogPost.title.eq("Hello World!")).fetch();
    assertEquals(2, users.size());
}
Also used : QUser(org.baeldung.querydsl.intro.entities.QUser) QBlogPost(org.baeldung.querydsl.intro.entities.QBlogPost) QUser(org.baeldung.querydsl.intro.entities.QUser) User(org.baeldung.querydsl.intro.entities.User)

Example 5 with User

use of org.baeldung.querydsl.intro.entities.User in project tutorials by eugenp.

the class QueryDSLIntegrationTest method whenRefiningWithSubquery_thenResultCountShouldMatch.

@Test
public void whenRefiningWithSubquery_thenResultCountShouldMatch() {
    QUser user = QUser.user;
    QBlogPost blogPost = QBlogPost.blogPost;
    List<User> users = queryFactory.selectFrom(user).where(user.id.in(JPAExpressions.select(blogPost.user.id).from(blogPost).where(blogPost.title.eq("Hello World!")))).fetch();
    assertEquals(2, users.size());
}
Also used : QUser(org.baeldung.querydsl.intro.entities.QUser) QBlogPost(org.baeldung.querydsl.intro.entities.QBlogPost) QUser(org.baeldung.querydsl.intro.entities.QUser) User(org.baeldung.querydsl.intro.entities.User)

Aggregations

QUser (org.baeldung.querydsl.intro.entities.QUser)5 User (org.baeldung.querydsl.intro.entities.User)5 QBlogPost (org.baeldung.querydsl.intro.entities.QBlogPost)3 EntityManager (javax.persistence.EntityManager)1 BlogPost (org.baeldung.querydsl.intro.entities.BlogPost)1