musicsingerbean.java

本程序是作者开发的一个宽带娱乐系统的一个模块.

package com.singnet.music.ejb;

import javax.ejb.SessionBean;
import javax.ejb.SessionContext;
import javax.ejb.CreateException;
import com.singnet.music.MusicSingerInfo;
import com.singnet.music.dao.MusicSingerDao;
import java.util.ArrayList;

public class MusicSingerBean implements SessionBean {
    SessionContext sessionContext;
    MusicSingerDao musicSingerDao = new MusicSingerDao();
    public void ejbCreate() throws CreateException {
    }

    public void ejbRemove() {
    }

    public void ejbActivate() {
    }

    public void ejbPassivate() {
    }


    public void setSessionContext(SessionContext sessionContext) {
        this.sessionContext = sessionContext;
    }

    public boolean addMusicSingerInfo(MusicSingerInfo musicSingerInfo) {
        boolean re;
        re = false;
        try {
            re = musicSingerDao.addMusicSingerInfo(musicSingerInfo);
        } catch (Exception e) {
            e.printStackTrace();
        }
        return re;

    }

    public boolean editMusicSingerInfo(MusicSingerInfo musicSingerInfo) {
        boolean re;
        re = false;
        try {
            re = musicSingerDao.editMusicSingerInfo(musicSingerInfo);
        } catch (Exception e) {
            e.printStackTrace();
        }
        return re;

    }

    public boolean deleteMusicSingerInfo(String id) {
        boolean re;
        re = false;
        try {
            re = musicSingerDao.deleteMusicSingerInfo(id);
        } catch (Exception e) {
            e.printStackTrace();
        }
        return re;

    }

    public MusicSingerInfo queryMusicSingerInfoById(String id) {
        MusicSingerInfo re;
        re = new MusicSingerInfo();
        try {
            re = musicSingerDao.queryMusicSingerInfoById(id);
        } catch (Exception e) {
            e.printStackTrace();
        }
        return re;

    }
    public MusicSingerInfo queryMusicSingerInfoByName(String name) {
        MusicSingerInfo re;
        re = new MusicSingerInfo();
        try {
            re = musicSingerDao.queryMusicSingerInfoByName(name);
        } catch (Exception e) {
            e.printStackTrace();
        }
        return re;

    }
    public ArrayList queryMusicSingerInfo() {
        ArrayList re;
        re = new ArrayList();
        try {
            re = musicSingerDao.queryMusicSingerInfo();
        } catch (Exception e) {
            e.printStackTrace();
        }
        return re;

    }

}