Java tutorial
/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package chiron.maxscore.service.impl; import chiron.maxscore.dao.CourseDAO; import chiron.maxscore.entity.Course; import chiron.maxscore.service.CourseService; 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 CourseServiceImpl implements CourseService { @Autowired private CourseDAO courseDAO; @Override public Course getById(int id) { return courseDAO.getById(id); } @Transactional @Override public void save(Course e) { courseDAO.save(e); } @Transactional @Override public void delete(Course e) { courseDAO.delete(e); } @Override public List<Course> getAll() { return courseDAO.getAll(); } @Override public List<Course> search(int page, int pageSize, Map<String, Object> condition) { return courseDAO.search((page - 1) * pageSize, pageSize, makeCriteria(condition)); } @Override public int count(Map<String, Object> condition) { return courseDAO.count(makeCriteria(condition)); } private DetachedCriteria makeCriteria(Map<String, Object> condition) { DetachedCriteria criteria = DetachedCriteria.forClass(Course.class); if (condition == null) { return criteria; } if (condition.containsKey("course_name")) { criteria.add( Restrictions.ilike("courseName", condition.get("course_name").toString(), MatchMode.ANYWHERE)); } return criteria; } }