?? singerdaoimpl.java
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package edu.jlu.fuliang.dao.impl;
import java.util.List;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;
import edu.jlu.fuliang.dao.SingerDAO;
import edu.jlu.fuliang.domain.Band;
import edu.jlu.fuliang.domain.CompositeSinger;
import edu.jlu.fuliang.domain.Singer;
import edu.jlu.fuliang.domain.SingleSinger;
public class SingerDAOImpl extends HibernateDaoSupport implements SingerDAO{
@Override
public void deleteSinger(Long id) {
getHibernateTemplate().delete(id);
}
@Override
public List<Band> getAllBands() {
return getHibernateTemplate().find("from Band");
}
@Override
public List<CompositeSinger> getAllCompositeSingers() {
return getHibernateTemplate().find("from CompositeSinger");
}
@Override
public List<Singer> getAllSingers() {
return getHibernateTemplate().find("from Singer");
}
@Override
public List<SingleSinger> getAllSingleSingers() {
return getHibernateTemplate().find("from SingleSinger");
}
@Override
public List<Band> getBandsByName(String name) {
return getHibernateTemplate().find("from Band b where b.name=?", new String[]{name});
}
@Override
public Singer getSingerById(Long id) {
return (Singer)getHibernateTemplate().get(Singer.class, id);
}
@Override
public List<Singer> getSingerByRegion(String region) {
return getHibernateTemplate().find("from Singer s where s.region=?", new String[]{region});
}
@Override
public List<Singer> getSingersByName(String name) {
return getHibernateTemplate().find("from Singer s where s.name=?",new String[]{name});
}
@Override
public List<SingleSinger> getSingleSingersByName(String name) {
return getHibernateTemplate().find("from SingleSinger s where s.name=?",new String[]{name});
}
@Override
public void saveSinger(Singer singer) {
getHibernateTemplate().save(singer);
}
@Override
public void updateSinger(Singer singer) {
getHibernateTemplate().saveOrUpdate(singer);
}
}
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