J2EE Search的增删查改及检索初步实现

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public String getName() {
   return this.name;
}

public void setName(String name) {
   this.name = name;
}

public String toString() {
   return id+","+name;
}
}

DAO:

package com.jpa;

import java.util.List;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceException;
import javax.persistence.Query;

import org.apache.lucene.analysis.standard.StandardAnalyzer;
import org.apache.lucene.queryParser.MultiFieldQueryParser;
import org.apache.lucene.queryParser.ParseException;
import org.hibernate.search.jpa.FullTextEntityManager;
import org.hibernate.search.jpa.FullTextQuery;
import org.hibernate.search.jpa.Search;
import org.springframework.context.ApplicationContext;
import org.springframework.orm.jpa.JpaCallback;
import org.springframework.orm.jpa.support.JpaDaoSupport;
import org.springframework.transaction.annotation.Transactional;

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@Transactional
public class BookDAO extends JpaDaoSupport {

public static final String NAME = "name";

public void save(Book entity) {
   logger.info("saving Book instance");
   try {

    getJpaTemplate().persist(entity);
    logger.info("save successful");
   } catch (RuntimeException re) {
    logger.error("save failed", re);
    throw re;
   }
}

public void delete(Book entity) {
   logger.info("deleting Book instance");
   try {
    entity = getJpaTemplate().getReference(Book.class, entity.getId());
    getJpaTemplate().remove(entity);
    logger.info("delete successful");
   } catch (RuntimeException re) {
    logger.error("delete failed", re); 数据挖掘实验室
    throw re;
   }
}

public Book update(Book entity) {
   logger.info("updating Book instance");
   try {
    Book result = getJpaTemplate().merge(entity);
    logger.info("update successful");
    return result;
   } catch (RuntimeException re) {
    logger.error("update failed", re);
    throw re;
   }
}

public Book findById(Integer id) {

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