videoclassbean.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.video.ejb;

import java.util.ArrayList;

import javax.ejb.CreateException;
import javax.ejb.SessionBean;
import javax.ejb.SessionContext;

import com.singnet.util.Pager;
import com.singnet.video.VideoClassInfo;
import com.singnet.video.dao.VideoClassDao;

public class VideoClassBean implements SessionBean {
    SessionContext sessionContext;
    VideoClassDao videoClassDao = new VideoClassDao();
    boolean re = false;
    public void ejbCreate() throws CreateException {
    }

    public void ejbRemove() {
    }

    public void ejbActivate() {
    }

    public void ejbPassivate() {
    }


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

    public boolean addVideoClass(VideoClassInfo videoclassinfo) {
        try {
            re = videoClassDao.addVideoClass(videoclassinfo);
        } catch (Exception e) {
            e.printStackTrace();
        }
        return re;

    }

    public boolean editVideoClass(VideoClassInfo videoclassinfo) {
        try {
            re = videoClassDao.editVideoClass(videoclassinfo);
        } catch (Exception e) {
            e.printStackTrace();
        }
        return re;

    }

    public boolean deleteVideoClass(String id) {
        try {
            re = videoClassDao.deleteVideoClass(id);
        } catch (Exception e) {
            e.printStackTrace();
        }
        return re;

    }

    public ArrayList queryVideoClass(Pager pager) {
        ArrayList list = new ArrayList();
        try {
            list = videoClassDao.queryVideoClassInfo(pager);
        } catch (Exception e) {
            e.printStackTrace();
        }
        return list;

    }

    public int getTotal(Pager pager) {
        int re = 0;
        try {
            re = videoClassDao.getTotal(pager);
        } catch (Exception e) {
            e.printStackTrace();
        }
        return re;

    }

    public VideoClassInfo getVideoClassById(String id) {
        VideoClassInfo re = null;
        try {
            re = videoClassDao.getVideoClassById(id);
        } catch (Exception e) {
            e.printStackTrace();
        }
        return re;

    }
    public VideoClassInfo getVideoClassByClassname(String classname) {
        VideoClassInfo re = null;
        try {
            re = videoClassDao.getVideoClassByClassname(classname);
        } catch (Exception e) {
            e.printStackTrace();
        }
        return re;

    }
}