?? singerdao.java
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package edu.jlu.fuliang.dao;
import java.util.List;
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 interface SingerDAO {
public List<Singer> getAllSingers();
public List<SingleSinger> getAllSingleSingers();
public List<CompositeSinger> getAllCompositeSingers();
public List<Band> getAllBands();
public List<Singer> getSingersByName(String name);
public List<SingleSinger> getSingleSingersByName(String name);
public List<Band> getBandsByName(String name);
public List<Singer> getSingerByRegion(String region);
public Singer getSingerById(Long id);
public void deleteSinger(Long id);
public void updateSinger(Singer singer);
public void saveSinger(Singer singer);
}
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