AutomaticIndexUpdate.java

// Transaction 1: Check that no tweet matches the search string
EntityManager em = emf.createEntityManager();
em.getTransaction().begin();

FullTextEntityManager fullTextEm = Search.getFullTextEntityManager(em);
QueryBuilder tweetQb = fullTextEm.getSearchFactory().buildQueryBuilder().forEntity(Tweet.class).get();
Query fullTextQuery = tweetQb.keyword().onField(Tweet_.message.getName()).matching(“Message updated”).createQuery();
List results = fullTextEm.createFullTextQuery(fullTextQuery).getResultList();
Assert.assertEquals(0, results.size());

em.getTransaction().commit();
em.close();

// Transaction 2: Update a tweet
em = emf.createEntityManager();
em.getTransaction().begin();

Tweet tweet = em.find(Tweet.class, 1L);
tweet.setMessage(“Message updated – “+tweet.getMessage());

em.getTransaction().commit();
em.close();

// Transaction 3: Check that 1 tweet matches the search string
em = emf.createEntityManager();
em.getTransaction().begin();

fullTextEm = Search.getFullTextEntityManager(em);
tweetQb = fullTextEm.getSearchFactory().buildQueryBuilder().forEntity(Tweet.class).get();
fullTextQuery = tweetQb.keyword().onField(Tweet_.message.getName()).matching(“Message updated”).createQuery();
results = fullTextEm.createFullTextQuery(fullTextQuery).getResultList();
Assert.assertEquals(1, results.size());

FullTextSearch.java

EntityManager em = emf.createEntityManager();
em.getTransaction().begin();

FullTextEntityManager fullTextEm = Search.getFullTextEntityManager(em);
QueryBuilder tweetQb = fullTextEm.getSearchFactory().buildQueryBuilder().forEntity(Tweet.class).get();
Query fullTextQuery = tweetQb.keyword().onField(Tweet_.message.getName()).matching(“validate Hibernate”).createQuery();
List results = fullTextEm.createFullTextQuery(fullTextQuery).getResultList();

FullTextSearch.log

15:04:29,704 DEBUG SQL:92 – select this_.id as id1_0_0_, this_.message as message2_0_0_, this_.postedAt as postedAt3_0_0_, this_.url as url4_0_0_, this_.userName as userName5_0_0_, this_.version as version6_0_0_ from Tweet this_ where (this_.id in (?, ?))
15:04:29,707 INFO TestSearchTweets:55 – Tweet [id=3, postedAt=2017-02-02 00:00:00.0, userName=thjanssen123, message=How to automatically validate entities with Hibernate Validator BeanValidation, url=http://www.thoughts-on-java.org/automatically-validate-entities-with-hibernate-validator/, version=0]
15:04:29,707 INFO TestSearchTweets:55 – Tweet [id=2, postedAt=2017-01-24 00:00:00.0, userName=thjanssen123, message=5 tips to write efficient queries with JPA and Hibernate, url=http://www.thoughts-on-java.org/5-tips-write-efficient-queries-jpa-hibernate/, version=0]1

InitializeIndex.java

EntityManager em = emf.createEntityManager();
FullTextEntityManager fullTextEntityManager = Search.getFullTextEntityManager(em);
fullTextEntityManager.createIndexer().startAndWait();

Tweet.java

@Indexed
@Entity
public class Tweet {

	@Id
	@GeneratedValue(strategy = GenerationType.AUTO)
	@Column(name = “id”, updatable = false, nullable = false)
	private Long id;

	@Column
	private Date postedAt;

	@Column
	@Field
	private String userName;

	@Column
	@Field
	private String message;

	@Column
	private String url;

	@Version
	private Long version;

	…
}