package org.hibernate.test.jpa;
import lombok.extern.slf4j.Slf4j;
import org.hibernate.test.domain.Item;
import org.hibernate.test.jpa.repository.EventRepository;
import org.hibernate.test.jpa.repository.ItemRepository;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.test.annotation.Rollback;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import org.springframework.transaction.annotation.Transactional;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import javax.persistence.Query;
import java.util.List;
import static org.fest.assertions.Assertions.assertThat;
/**
* org.hibernate.test.jpa.JpaCacheTest
*
* @author 배성혁 sunghyouk.bae@gmail.com
* @since 2013. 12. 21. 오후 5:50
*/
@Slf4j
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(classes = {JpaRedisConfiguration.class})
@Transactional
public class JpaCacheTest {
@PersistenceContext EntityManager em;
@Autowired EventRepository eventRepository;
@Before
public void clearItems() throws Exception {
itemRepository.deleteAll();
itemRepository.flush();
em.clear();
em.getEntityManagerFactory().getCache().evict(Item.class);
}
@Test
public void configurationTest() throws Exception {
assertThat(em).isNotNull();
assertThat(eventRepository).isNotNull();
}
// @Test
// public void loadEventByTitle() throws Exception {
// List<Event> events = eventRepository.findByTitle("abc");
// assertThat(events).isNotNull();
// }
@Test
public void emptySecondLevelCacheEntry() throws Exception {
em.getEntityManagerFactory().getCache().evict(Item.class);
}
@Test
@Rollback(false)
public void queryCacheInvalidation() throws Exception {
Item i = new Item();
i.setName("Widget");
i.setDescription("A realy top-quality, full-featured widget.");
em.persist(i);
em.flush();
em.clear();
Item loaded = (Item) em.find(Item.class, i.getId());
assertThat(loaded).isNotNull();
em.clear();
loaded = (Item) em.find(Item.class, i.getId());
assertThat(loaded).isNotNull();
}
@Test
@Rollback(false)
public void simpleEntityCaching() {
log.debug("Item 저장 - #1");
Item item = new Item();
item.setName("redis");
item.setDescription("redis cache item");
em.persist(item);
em.flush();
em.clear();
log.debug("Item 조회 - #1");
Item loaded = (Item) em.find(Item.class, item.getId());
assertThat(loaded).isNotNull();
log.debug("Item Update - #1");
// session.merge(loaded);
loaded.setDescription("Update description...");
em.persist(loaded);
em.flush();
em.clear();
log.debug("Item 조회 - #2");
loaded = (Item) em.find(Item.class, item.getId());
assertThat(loaded).isNotNull();
assertThat(loaded.getId()).isEqualTo(item.getId());
assertThat(loaded.getDescription()).isNotEqualTo(item.getDescription());
em.clear();
log.debug("Item 조회 - #3");
loaded = (Item) em.find(Item.class, item.getId());
assertThat(loaded).isNotNull();
assertThat(loaded.getId()).isEqualTo(item.getId());
assertThat(loaded.getDescription()).isNotEqualTo(item.getDescription());
em.clear();
log.debug("Item 조회 - #4");
loaded = (Item) em.find(Item.class, item.getId());
assertThat(loaded).isNotNull();
assertThat(loaded.getId()).isEqualTo(item.getId());
assertThat(loaded.getDescription()).isNotEqualTo(item.getDescription());
em.clear();
}
@Test
@Rollback(false)
public void hqlLoad() throws Exception {
log.debug("Item 저장 - #1");
Item item = new Item();
item.setName("redis");
item.setDescription("redis cache item");
em.persist(item);
em.flush();
em.clear();
log.debug("Item 조회 - #1");
//NOTE: http://docs.jboss.org/hibernate/stable/entitymanager/reference/en/html/objectstate.html#d0e1215
Query query = em.createQuery("select e from Item e where e.id=:id").setParameter("id", item.getId()).setHint("org.hibernate.cacheable", true);
Item loaded = (Item) query.getSingleResult();
assertThat(loaded).isNotNull();
em.clear();
log.debug("Item 조회 - #2");
query = em.createQuery("select e from Item e where e.id=:id").setParameter("id", item.getId()).setHint("org.hibernate.cacheable", true);
loaded = (Item) query.getSingleResult();
assertThat(loaded).isNotNull();
em.clear();
log.debug("Item 조회 - #3");
loaded = (Item) em.find(Item.class, item.getId());
assertThat(loaded).isNotNull();
em.clear();
log.debug("Item 조회 - #4");
query = em.createQuery("select e from Item e where e.id=:id").setParameter("id", item.getId()).setHint("org.hibernate.cacheable", true);
loaded = (Item) query.getSingleResult();
assertThat(loaded).isNotNull();
em.clear();
}
@Autowired ItemRepository itemRepository;
@Test
public void springRepositoryTest() throws Exception {
log.debug("Item 저장 - #1");
Item item = new Item();
item.setName("redis");
item.setDescription("redis cache item");
em.persist(item);
em.flush();
em.clear();
log.debug("Item 조회 - #1");
List<Item> items = itemRepository.findByName("redis");
assertThat(items).isNotNull();
assertThat(items).hasSize(1);
log.debug("Item 조회 - #2");
items = itemRepository.findByName("redis");
assertThat(items).isNotNull();
assertThat(items).hasSize(1);
}
}