com.mypkg.repository.repoimpl.DepartmentRepositoryImplementation.java Source code

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Here is the source code for com.mypkg.repository.repoimpl.DepartmentRepositoryImplementation.java

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package com.mypkg.repository.repoimpl;

import com.mypkg.domain.Department;
import com.mypkg.domain.Employee;
import com.mypkg.repository.DepartmentRepository;
import java.util.ArrayList;
import java.util.List;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.Transaction;
import org.hibernate.cfg.Configuration;
import org.springframework.stereotype.Repository;

@Repository
public class DepartmentRepositoryImplementation implements DepartmentRepository {
    private List<Department> listOfDepartments;

    @Override
    public List<Department> getAllDepartments() {
        listOfDepartments = new ArrayList<Department>();
        Configuration cf = new Configuration();
        cf.configure("hibernate.cfg.xml");

        SessionFactory sf = cf.buildSessionFactory();
        Session hsession = sf.openSession();
        Transaction tx = hsession.beginTransaction();
        List<Object[]> deptObjects = hsession.createSQLQuery("SELECT dept_id,dept_name FROM department").list();
        for (Object[] deptObject : deptObjects) {
            Department dept = new Department();
            int id = ((int) deptObject[0]);

            String dname = (String) deptObject[1];
            dept.setDeptId(id);
            dept.setDeptName(dname);

            listOfDepartments.add(dept);
        }

        tx.commit();
        return listOfDepartments;

    }
}