Пример #1
0
  public List<Teacher> getteacherrelatedtosubject(String subid) {

    Transaction transaction = null;
    Session session = null;
    List<Teacher> list = new ArrayList<Teacher>();
    try {
      session = HibernateUtil.getSessionfactory().openSession();
      transaction = session.beginTransaction();
      Query query =
          session.createQuery(
              " from Teacher where (sub_ids like :sub_id1 or sub_ids like :sub_id2 or sub_ids like :sub_id3 or sub_ids = :sub_id4)");
      query.setParameter("sub_id1", "%," + subid + ",%");
      query.setParameter("sub_id2", subid + ",%");
      query.setParameter("sub_id3", "%," + subid);
      query.setParameter("sub_id4", subid);
      //	query.setParameter("regId", regId);
      list = query.list();
    } catch (Exception e) {
      e.printStackTrace();
    } finally {
      if (null != session) {
        session.close();
      }
    }
    return list;
  }
Пример #2
0
 public Boolean add(String teacherLoginName, int regid, String subjects, String suffix) {
   Transaction transaction = null;
   Session session = null;
   List<RegisterBean> list = null;
   List<Teacher> list2 = null;
   try {
     session = HibernateUtil.getSessionfactory().openSession();
     transaction = session.beginTransaction();
     Query query = session.createQuery("from RegisterBean where loginName=:userid and role=2");
     query.setParameter("userid", teacherLoginName);
     list = query.list();
     if (list.size() > 0) {
       RegisterBean bean = list.get(0);
       Teacher teacher = new Teacher();
       teacher.setClass_id(regid);
       teacher.setUser_id(bean.getRegId());
       teacher.setSub_ids(subjects);
       teacher.setSuffix(suffix);
       session.save(teacher);
       transaction.commit();
       // session.close();
       return true;
     }
   } catch (Exception e) {
     e.printStackTrace();
   } finally {
     if (null != session) {
       session.close();
     }
   }
   return false;
 }
Пример #3
0
  public String getTeachersPrefix(int teacherID, int regID) {
    Transaction transaction = null;
    Session session = null;
    List<String> list = new ArrayList<String>();
    try {
      session = HibernateUtil.getSessionfactory().openSession();
      transaction = session.beginTransaction();
      Query query =
          session.createQuery(
              "select suffix from Teacher where user_id=:teacherID and class_id=:regID");
      query.setParameter("teacherID", teacherID);
      query.setParameter("regID", regID);

      //	query.setParameter("regId", regId);
      list = query.list();
      if (list.size() > 0) {
        return list.get(0);
      }
    } catch (Exception e) {
      e.printStackTrace();
    } finally {
      if (null != session) {
        session.close();
      }
    }
    return "";
  }
Пример #4
0
  public Teacher getTeacher(int user_id, int class_id) {

    Session session = null;
    boolean status = false;
    Transaction transaction = null;
    String queryString = "from Teacher where user_id = :user_id and class_id=:class_id";
    try {
      session = HibernateUtil.getSessionfactory().openSession();
      transaction = session.beginTransaction();
      Query query = session.createQuery(queryString);
      query.setInteger("user_id", user_id);
      query.setInteger("class_id", class_id);

      Teacher teacher = (Teacher) query.uniqueResult();
      if (teacher != null) {
        return teacher;
      }

      transaction.commit();
    } catch (Exception e) {
      e.printStackTrace();
    } finally {
      session.close();
    }

    return null;
  }
Пример #5
0
  public RegisterBean getTeacherDetailsFromID(int teacher_id) {
    Session session = null;
    Transaction transaction = null;
    List queryResultList = null;

    String queryString = "from RegisterBean where regId = :regId";

    try {
      session = HibernateUtil.getSessionfactory().openSession();
      transaction = session.beginTransaction();
      Query query = session.createQuery(queryString);
      query.setInteger("regId", teacher_id);
      queryResultList = query.list();
      transaction.commit();
      if (queryResultList.size() == 1) {
        return (RegisterBean) queryResultList.get(0);
      }

    } catch (Exception e) {
      e.printStackTrace();
    } finally {
      if (null != session) {
        session.close();
      }
    }
    return null;
  }
Пример #6
0
  public List<TeacherDetails> getAllTeachersFromClass(int class_id) {
    ArrayList<TeacherDetails> teachers = new ArrayList<TeacherDetails>();
    Session session = null;
    Transaction transaction = null;
    List queryResultList = null;
    String queryString = "from Teacher where class_id=:class_id";

    try {
      session = HibernateUtil.getSessionfactory().openSession();
      transaction = session.beginTransaction();
      Query query = session.createQuery(queryString);
      query.setInteger("class_id", class_id);
      queryResultList = query.list();
      transaction.commit();
      Iterator itr = queryResultList.iterator();

      while (itr.hasNext()) {
        Teacher entry = (Teacher) itr.next();
        TeacherDetails teacherDetails = new TeacherDetails();
        teacherDetails.setTeacherId(entry.getUser_id());
        teacherDetails.setSubjectIds(entry.getSub_ids());
        teacherDetails.setTeacherBean(getTeacherDetailsFromID(entry.getUser_id()));
        if (entry.getSuffix() != null) {
          teacherDetails.setSuffix(entry.getSuffix());
        } else {
          teacherDetails.setSuffix("");
        }
        if (!entry.getSub_ids().equals("")) {
          teacherDetails.setSubjects(getAssignedSubjects(entry.getSub_ids().split(",")));
        } else {
          teacherDetails.setSubjects(new ArrayList<Subject>());
        }
        teachers.add(teacherDetails);
      }
      return teachers;
    } catch (Exception e) {
      e.printStackTrace();
    } finally {
      if (null != session) {
        session.close();
      }
    }

    return null;
  }
Пример #7
0
 public Integer getTeacherCount(int regID) {
   Transaction transaction = null;
   Session session = null;
   List<Long> list = new ArrayList<Long>();
   try {
     session = HibernateUtil.getSessionfactory().openSession();
     transaction = session.beginTransaction();
     Query query = session.createQuery("select count(*) from Teacher where class_id=:class_id");
     query.setParameter("class_id", regID);
     list = query.list();
     if (list.size() > 0) {
       return list.get(0).intValue();
     }
   } catch (Exception e) {
     e.printStackTrace();
   } finally {
     if (null != session) {
       session.close();
     }
   }
   return list.get(0).intValue();
 }
Пример #8
0
  public List getTeachersClass(int regID) {

    Session session = null;
    boolean status = false;
    Transaction transaction = null;
    List classids = null;
    String queryString = "select class_id from Teacher where user_id = :user_id";
    try {
      session = HibernateUtil.getSessionfactory().openSession();
      transaction = session.beginTransaction();
      Query query = session.createQuery(queryString);
      query.setInteger("user_id", regID);
      classids = query.list();
      transaction.commit();
    } catch (Exception e) {
      e.printStackTrace();
    } finally {
      session.close();
    }

    return classids;
  }
Пример #9
0
 public boolean updateDb(Teacher teacher) {
   boolean status = true;
   Session session = null;
   Transaction transaction = null;
   try {
     session = HibernateUtil.getSessionfactory().openSession();
     transaction = session.beginTransaction();
     session.saveOrUpdate(teacher);
     transaction.commit();
   } catch (Exception e) {
     status = false;
     e.printStackTrace();
     if (null != transaction) {
       transaction.rollback();
     }
   } finally {
     if (null != session) {
       session.close();
     }
   }
   return status;
 }
Пример #10
0
  public List getSubjectTeacher(String subid) {
    Transaction transaction = null;
    Session session = null;
    List<RegisterBean> list = null;
    List<Teacher> list2 = null;
    try {
      session = HibernateUtil.getSessionfactory().openSession();
      transaction = session.beginTransaction();
      Query query = session.createQuery("select user_id from Teacher where sub_ids like :sub_ids");
      query.setParameter("sub_ids", "%," + subid + ",%");
      list = query.list();
      // session.close();
    } catch (Exception e) {
      e.printStackTrace();
    } finally {
      if (null != session) {
        session.close();
      }
    }

    return list;
  }
Пример #11
0
  public Boolean isTeacherExists(String teacherLoginName, int regid) {
    Transaction transaction = null;
    Session session = null;
    List<RegisterBean> list = null;
    List<Teacher> list2 = null;
    try {
      session = HibernateUtil.getSessionfactory().openSession();
      transaction = session.beginTransaction();
      Query query = session.createQuery("from RegisterBean where loginName=:userid and role=2");
      query.setParameter("userid", teacherLoginName);
      list = query.list();
      if (list.size() > 0) {
        RegisterBean bean = list.get(0);
        Teacher teacher = new Teacher();
        teacher.setClass_id(regid);
        teacher.setUser_id(bean.getRegId());
        query = session.createQuery("from Teacher where user_id=:userid and class_id=:regid");
        query.setParameter("userid", teacher.getUser_id());
        query.setParameter("regid", teacher.getClass_id());
        list2 = query.list();

        if (list2.size() > 0) {
          return true;
        } else {

          return false;
        }
      }
    } catch (Exception e) {
      e.printStackTrace();
    } finally {
      if (null != session) {
        session.close();
      }
    }
    return false;
  }
Пример #12
0
  public List<Subject> getTeacherSubjects(int teacherID, int classID) {
    Transaction transaction = null;
    Session session = null;
    List<Subject> list = new ArrayList<Subject>();
    List<String> subjectids = new ArrayList<String>();
    try {
      session = HibernateUtil.getSessionfactory().openSession();
      transaction = session.beginTransaction();
      Query query =
          session.createQuery(
              "select sub_ids from Teacher where user_id=:teacher_id and class_id=:class_id");
      query.setParameter("class_id", classID);
      query.setParameter("teacher_id", teacherID);
      subjectids = query.list();
      List<Integer> subids = new ArrayList<Integer>();
      if (subjectids.size() > 0) {
        String[] ids = subjectids.get(0).split(",");
        int i = 0;
        while (i < ids.length) {
          subids.add(Integer.parseInt(ids[i]));
          i++;
        }
        query = session.createQuery("from Subject where subjectId in :subjectId");
        query.setParameterList("subjectId", subids);
        list = query.list();
      }

    } catch (Exception e) {
      e.printStackTrace();
    } finally {
      if (null != session) {
        session.close();
      }
    }
    return list;
  }
Пример #13
0
 public Boolean isTeacherRegistered(String teacherLoginName) {
   Transaction transaction = null;
   Session session = null;
   List<RegisterBean> list = null;
   try {
     session = HibernateUtil.getSessionfactory().openSession();
     transaction = session.beginTransaction();
     Query query = session.createQuery("from RegisterBean where loginName=:userid and role=:role");
     query.setParameter("userid", teacherLoginName);
     query.setParameter("role", 2);
     list = query.list();
   } catch (Exception e) {
     e.printStackTrace();
   } finally {
     if (null != session) {
       session.close();
     }
   }
   if (list.size() > 0) {
     return true;
   } else {
     return false;
   }
 }