com.aes.dao.impl.ChapterDaoImpl.java Source code

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Here is the source code for com.aes.dao.impl.ChapterDaoImpl.java

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package com.aes.dao.impl;

import com.aes.dao.ChapterDao;
import com.aes.model.Chapter;
import com.aes.util.HibernateUtil;
import java.util.ArrayList;
import java.util.List;
import org.hibernate.Criteria;
import org.hibernate.Query;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.criterion.Criterion;
import org.hibernate.criterion.Order;
import org.hibernate.criterion.Projections;
import org.hibernate.criterion.Restrictions;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Repository;

/**
 *
 * @author Bryan
 */
@Repository
public class ChapterDaoImpl implements ChapterDao {

    @Autowired
    private SessionFactory session;

    @Override
    public void add(Chapter chapter) {
        chapter.setChapterId(this.getNextId());
        session.getCurrentSession().save(chapter);
    }

    @Override
    public void edit(Chapter chapter) {
        session.getCurrentSession().update(chapter);
    }

    @Override
    public void delete(int chapterId) {
        session.getCurrentSession().delete(this.getById(chapterId));
    }

    @Override
    public Chapter getById(int chapterId) {
        return (Chapter) session.getCurrentSession().get(Chapter.class, chapterId);
    }

    public Chapter ambotNgano(int ChapterId) {
        return this.getById(ChapterId);
    }

    @Override
    public List getAll() {
        return session.getCurrentSession().createCriteria(Chapter.class).list();
    }

    @Override
    public int getNextId() {
        int nextNumber = 1;
        try {
            Integer nextInt = ((Integer) session.getCurrentSession().createCriteria(Chapter.class)
                    .setProjection(Projections.max("chapterId")).uniqueResult()) + 1;
            if (nextInt == null) {
                return 1;
            }
            nextNumber = nextInt.intValue();

        } catch (Exception e) {

        }
        return nextNumber;
    }

    public List getChaptersByCourseId(int id) {
        List temp = this.getAll();
        List list = new ArrayList();
        for (Object x : temp) {
            Chapter tempX = (Chapter) x;
            if (tempX.getCourse().getCourseId() == id) {
                list.add(x);
            }
        }
        return list;
    }

    @Override
    public List searchName(String name) {

        return session.getCurrentSession().createCriteria(Chapter.class)
                .add(Restrictions.like("chapterTitle", "%" + name + "%")).addOrder(Order.asc("chapterName")).list();
    }

}