Chapitre 13. Hibernate Search

package example;
...
@Entity
public class Book {

  @Id
  @GeneratedValue
  private Integer id; 

  private String title;  

  private String subtitle; 

  @ManyToMany 
  private Set<Author> authors = new HashSet<Author>();

  private Date publicationDate;
  
  public Book() {} 
  
  // standard getters/setters follow here
  ...
}

package example;
...
@Entity
public class Author {

  @Id
  @GeneratedValue
  private Integer id;

  private String name;

  public Author() {} 
 
  // standard getters/setters follow here
  ...
}

package example;
...
@Entity
@Indexed
public class Book {

  @Id
  @GeneratedValue
  private Integer id;
  
  @Field(index=Index.YES, analyze=Analyze.YES, store=Store.NO)
  private String title;
  
  @Field(index=Index.YES, analyze=Analyze.YES, store=Store.NO)
  private String subtitle; 

 @Field(index = Index.YES, analyze=Analyze.NO, store = Store.YES)
  @DateBridge(resolution = Resolution.DAY)
  private Date publicationDate;

  @IndexedEmbedded
  @ManyToMany 
  private Set<Author> authors = new HashSet<Author>();

  public Book() {
  } 
  
  // standard getters/setters follow here
  ... 
}

package example;
...
@Entity
public class Author {

  @Id
  @GeneratedValue
  private Integer id;

  @Field
  private String name;

  public Author() {
  } 
 
  // standard getters/setters follow here
  ...
}

FullTextSession fullTextSession = org.hibernate.search.Search.getFullTextSession(session);
fullTextSession.createIndexer().startAndWait();

EntityManager em = entityManagerFactory.createEntityManager();
FullTextEntityManager fullTextEntityManager = org.hibernate.search.jpa.Search.getFullTextEntityManager(em);
fullTextEntityManager.createIndexer().startAndWait();

FullTextSession fullTextSession = Search.getFullTextSession(session);
Transaction tx = fullTextSession.beginTransaction();

// create native Lucene query using the query DSL
// alternatively you can write the Lucene query using the Lucene query parser
// or the Lucene programmatic API. The Hibernate Search DSL is recommended though
QueryBuilder qb = fullTextSession.getSearchFactory()
    .buildQueryBuilder().forEntity( Book.class ).get();
org.apache.lucene.search.Query query = qb
  .keyword()
  .onFields("title", "subtitle", "authors.name", "publicationDate")
  .matching("Java rocks!")
  .createQuery();

// wrap Lucene query in a org.hibernate.Query
org.hibernate.Query hibQuery = 
    fullTextSession.createFullTextQuery(query, Book.class);

// execute search
List result = hibQuery.list();
  
tx.commit();
session.close();

EntityManager em = entityManagerFactory.createEntityManager();
FullTextEntityManager fullTextEntityManager = 
    org.hibernate.search.jpa.Search.getFullTextEntityManager(em);
em.getTransaction().begin();

// create native Lucene query using the query DSL
// alternatively you can write the Lucene query using the Lucene query parser
// or the Lucene programmatic API. The Hibernate Search DSL is recommended though
QueryBuilder qb = fullTextEntityManager.getSearchFactory()
    .buildQueryBuilder().forEntity( Book.class ).get();
org.apache.lucene.search.Query query = qb
  .keyword()
  .onFields("title", "subtitle", "authors.name", "publicationDate")
  .matching("Java rocks!")
  .createQuery();

// wrap Lucene query in a javax.persistence.Query
javax.persistence.Query persistenceQuery = 
    fullTextEntityManager.createFullTextQuery(query, Book.class);

// execute search
List result = persistenceQuery.getResultList();

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

@Indexed
@AnalyzerDef(
   name = "customanalyzer",
   tokenizer = @TokenizerDef(factory = StandardTokenizerFactory.class),
   filters = {
      @TokenFilterDef(factory = LowerCaseFilterFactory.class), 
      @TokenFilterDef(factory = SnowballPorterFilterFactory.class,
         params = { @Parameter(name = "language", value = "English") })
 })
public class Book implements Serializable {

  @Field
  @Analyzer(definition = "customanalyzer")
  private String title;
  
  @Field
  @Analyzer(definition = "customanalyzer")
  private String subtitle; 

  @IndexedEmbedded
  private Set authors = new HashSet();

  @Field(index = Index.YES, analyze = Analyze.NO, store = Store.YES)
  @DateBridge(resolution = Resolution.DAY)
  private Date publicationDate;
  
  public Book() {
  } 
  
  // standard getters/setters follow here
  ... 
}