sg.edu.ntu.hrms.service.TitleService.java Source code

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Here is the source code for sg.edu.ntu.hrms.service.TitleService.java

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package sg.edu.ntu.hrms.service;

import java.util.List;
import org.hibernate.Session;
import org.hibernate.Transaction;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import sg.edu.ntu.hrms.dao.TitleDAO;
import sg.edu.ntu.hrms.dto.TitleDTO;

/**
 *
 * @author michael-PC
 */
@Service("titleService")
public class TitleService extends BaseService {
    @Autowired
    private TitleDAO titleDAO;

    public List<TitleDTO> getAllTitles() {
        Session session = sessionFactory.openSession();
        List<TitleDTO> titleList = null;
        try {
            titleDAO.setSession(session);
            titleList = titleDAO.getAllTitles();

        } catch (Exception ex) {
            ex.printStackTrace();
        } finally {
            session.close();
        }
        return titleList;
    }

    public void addTitle(String name) throws Exception {
        Session session = sessionFactory.openSession();
        Transaction txn = null;
        try {
            txn = session.beginTransaction();
            titleDAO.setSession(session);
            TitleDTO titleDTO = new TitleDTO();
            titleDTO.setDescription(name);
            if (titleDAO.getTitleByName(name) != null) {
                throw new Exception("Duplicate Title name is not allowed");
            } else {
                titleDAO.addTitle(titleDTO);
            }
            txn.commit();
        } catch (Exception ex) {
            ex.printStackTrace();
            txn.rollback();
            throw ex;
        } finally {
            session.close();
        }
    }
}