musicareabean.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.MusicAreaInfo;
import com.singnet.music.dao.MusicAreaDao;
import java.util.ArrayList;

public class MusicAreaBean implements SessionBean {
    SessionContext sessionContext;
    MusicAreaDao musicAreaDao = new MusicAreaDao();
    public void ejbCreate() throws CreateException {
    }

    public void ejbRemove() {
    }

    public void ejbActivate() {
    }

    public void ejbPassivate() {
    }


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

    public boolean addMusicAreaInfo(MusicAreaInfo musicAreaInfo) {
        boolean re;
        re = false;
        try {
            re = musicAreaDao.addMusicAreaInfo(musicAreaInfo);
        } catch (Exception e) {
            e.printStackTrace();
        }
        return re;
    }

    public boolean editMusicAreaInfo(MusicAreaInfo musicAreaInfo) {
        boolean re;
        re = false;
        try {
            re = musicAreaDao.editMusicAreaInfo(musicAreaInfo);
        } catch (Exception e) {
            e.printStackTrace();
        }
        return re;

    }

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

    }

    public MusicAreaInfo queryMusicAreaInfoById(String id) {
        MusicAreaInfo re;
        re = new MusicAreaInfo();
        try {
            re = musicAreaDao.queryMusicAreaInfoById(id);
        } catch (Exception e) {
            e.printStackTrace();
        }
        return re;

    }
    public MusicAreaInfo queryMusicAreaInfoByAreaname(String areaname) {
        MusicAreaInfo re;
        re = new MusicAreaInfo();
        try {
            re = musicAreaDao.queryMusicAreaInfoByAreaname( areaname);
        } catch (Exception e) {
            e.printStackTrace();
        }
        return re;

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

    }

}