chiron.maxscore.service.impl.TeacherServiceImpl.java Source code

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Here is the source code for chiron.maxscore.service.impl.TeacherServiceImpl.java

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package chiron.maxscore.service.impl;

import chiron.maxscore.dao.TeacherDAO;
import chiron.maxscore.entity.Class;
import chiron.maxscore.entity.Teacher;
import chiron.maxscore.service.TeacherService;
import java.util.List;
import java.util.Map;
import org.hibernate.criterion.DetachedCriteria;
import org.hibernate.criterion.MatchMode;
import org.hibernate.criterion.Restrictions;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

@Service
public class TeacherServiceImpl implements TeacherService {

    @Autowired
    private TeacherDAO teacherDAO;

    @Override
    public Teacher getById(int id) {
        return teacherDAO.getById(id);
    }

    @Transactional
    @Override
    public void save(Teacher e) {
        teacherDAO.save(e);
    }

    @Transactional
    @Override
    public void delete(Teacher e) {
        teacherDAO.delete(e);
    }

    @Override
    public List<Teacher> getAll() {
        return teacherDAO.getAll();
    }

    @Override
    public List<Teacher> search(int page, int pageSize, Map<String, Object> condition) {
        return teacherDAO.search((page - 1) * pageSize, pageSize, makeCriteria(condition));
    }

    @Override
    public int count(Map<String, Object> condition) {
        return teacherDAO.count(makeCriteria(condition));
    }

    private DetachedCriteria makeCriteria(Map<String, Object> condition) {
        DetachedCriteria criteria = DetachedCriteria.forClass(Teacher.class);

        if (condition == null) {
            return criteria;
        }

        if (condition.containsKey("teacher_name")) {
            criteria.add(Restrictions.ilike("teacherName", condition.get("teacher_name").toString(),
                    MatchMode.ANYWHERE));
        }

        return criteria;
    }

    @Transactional
    @Override
    public void assignClass(Teacher teacher, List<Class> classes) {
        teacher.setClassList(classes);
        teacherDAO.save(teacher);
    }

}