JPA Persistence and Lucene Indexing combined in Hibernate Search

<persistence xmlns="http://java.sun.com/xml/ns/persistence" version="1.0">
<persistence-unit name="hascode-local" transaction-type="RESOURCE_LOCAL">
    <provider>org.hibernate.ejb.HibernatePersistence</provider>
    <class>com.hascode.tutorial.Book</class>
    <properties>
        <property name="javax.persistence.jdbc.driver" value="org.hsqldb.jdbcDriver"/>
        <property name="javax.persistence.jdbc.url" value="jdbc:hsqldb:mem:testdb"/>
        <property name="javax.persistence.jdbc.user" value="sa"/>
        <property name="javax.persistence.jdbc.password" value=""/>
        <property name="hibernate.dialect" value="org.hibernate.dialect.HSQLDialect"/>
        <property name="hibernate.hbm2ddl.auto" value="update"/>
    </properties>
</persistence-unit>
</persistence>

package com.hascode.tutorial;

import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
import javax.persistence.Lob;

import org.hibernate.search.annotations.Analyze;
import org.hibernate.search.annotations.DocumentId;
import org.hibernate.search.annotations.Field;
import org.hibernate.search.annotations.Indexed;
import org.hibernate.search.annotations.Store;

@Entity
@Indexed(index = "indexes/books")
public class Book {
 private Long id;
 private String title;
 private String summary;
 private String author;

 @Id
 @GeneratedValue
 public Long getId() {
 return id;
 }

 @Field(name = "title", analyze = Analyze.YES, store = Store.YES)
 public String getTitle() {
 return title;
 }

 @Lob()
 @Field(name = "summary", analyze = Analyze.YES, store = Store.YES)
 public String getSummary() {
 return summary;
 }

 public void setTitle(final String title) {
 this.title = title;
 }

 public void setSummary(final String summary) {
 this.summary = summary;
 }

 public void setId(final Long id) {
 this.id = id;
 }

 public void setAuthor(final String author) {
 this.author = author;
 }

 @Field(name = "author", analyze = Analyze.NO, store = Store.YES)
 public String getAuthor() {
 return author;
 }

}

package com.hascode.tutorial;

import java.util.List;

import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;
import javax.persistence.EntityTransaction;
import javax.persistence.Persistence;
import javax.persistence.Query;

import org.apache.lucene.index.Term;
import org.apache.lucene.search.TermQuery;
import org.hibernate.search.jpa.FullTextEntityManager;

public class Library {
 public static void main(final String... args) {
 // creating persistence context
 final EntityManagerFactory emf = Persistence
 .createEntityManagerFactory("hascode-local");
 final EntityManager em = emf.createEntityManager();
 final EntityTransaction tx = em.getTransaction();

 tx.begin();
 // creating some books to be indexed and persisted
 Book book1 = new Book();
 book1.setTitle("The big book of nothing");
 book1.setSummary("This is a book without any content");
 book1.setAuthor("fred");

 Book book2 = new Book();
 book2.setTitle("Exciting stories I");
 book2.setSummary("A compilation of exciting stories - part 1.");
 book2.setAuthor("selma");

 Book book3 = new Book();
 book3.setTitle("My life");
 book3.setSummary("A book about Fred's life.");
 book3.setAuthor("fred");

 em.persist(book1);
 em.persist(book2);
 em.persist(book3);
 tx.commit();

 // search using lucene
 FullTextEntityManager fullTextEntityManager = org.hibernate.search.jpa.Search
 .getFullTextEntityManager(em);

 org.apache.lucene.search.Query titleQuery = new TermQuery(new Term(
 "author", "fred"));
 javax.persistence.Query fullTextQuery = fullTextEntityManager
 .createFullTextQuery(titleQuery);

 System.out.println("searching using lucene..");
 List<Book> result = fullTextQuery.getResultList();
 printResults(result);

 // oldschool JPA search
 Query query = em
 .createQuery("SELECT b FROM Book b WHERE b.author=:author");
 query.setParameter("author", "fred");
 System.out.println("searching using JPA/JPQL..");
 result = query.getResultList();
 printResults(result);

 em.close();
 emf.close();
 }

 private static void printResults(final List<Book> result) {
 System.out.println(String.format("%s items found for author:fred",
 result.size()));
 for (Book b : result) {
 System.out.println("title: " + b.getTitle() + ", summary: "
 + b.getSummary() + "(id: " + b.getId() + ")");
 }
 }
}

searching using lucene..
2 items found for author:fred
title: The big book of nothing, summary: This is a book without any content(id: 1)
title: My life, summary: A book about Fred's life.(id: 3)
searching using JPA/JPQL..
2 items found for author:fred
title: The big book of nothing, summary: This is a book without any content(id: 1)
title: My life, summary: A book about Fred's life.(id: 3)