musicsongfilebean.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.MusicSongFileInfo;
import com.singnet.music.dao.MusicSongFileDao;
import java.util.ArrayList;

public class MusicSongFileBean implements SessionBean {
    SessionContext sessionContext;
    MusicSongFileDao musicSongFileDao = new MusicSongFileDao();
    public void ejbCreate() throws CreateException {
    }

    public void ejbRemove() {
    }

    public void ejbActivate() {
    }

    public void ejbPassivate() {
    }


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

    public boolean addMusicSongFileInfo(MusicSongFileInfo musicSongFileInfo) {
        boolean re;
        re = false;
        try {
            re = musicSongFileDao.addMusicSongFileInfo(musicSongFileInfo);
        } catch (Exception e) {
            e.printStackTrace();
        }
        return re;

    }

    public boolean editMusicSongFileInfo(MusicSongFileInfo musicSongFileInfo) {
        boolean re;
        re = false;
        try {
            re = musicSongFileDao.editMusicSongFileInfo(musicSongFileInfo);
        } catch (Exception e) {
            e.printStackTrace();
        }
        return re;

    }

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

    }

    public MusicSongFileInfo queryMusicSongFileInfoById(String id) {
        MusicSongFileInfo re;
        re = new MusicSongFileInfo();
        try {
            re = musicSongFileDao.queryMusicSongFileInfoById(id);
        } catch (Exception e) {
            e.printStackTrace();
        }
        return re;

    }

    public ArrayList queryMusicSongFileInfoByZjid(String zjid) {
        ArrayList re;
        re = new ArrayList();
        try {
            re = musicSongFileDao.queryMusicSongFileInfoByZjid(zjid);
        } catch (Exception e) {
            e.printStackTrace();
        }
        return re;

    }
}