Exemplo n.º 1
0
  /**
   * This method must be overridden by the subclass to retrieve data and return the valorized value
   * object.
   *
   * @param valueObjectClass value object class
   * @return a VOResponse object if data loading is successfully completed, or an ErrorResponse
   *     object if an error occours
   */
  public Response loadData(Class valueObjectClass) {
    try {
      // since this method could be invoked also when selecting another row on the linked grid,
      // the pk attribute must be recalculated from the grid...
      int row = gridFrame.getGrid().getSelectedRow();
      if (row != -1) {
        GridEmpVO gridVO =
            (GridEmpVO) gridFrame.getGrid().getVOListTableModel().getObjectForRow(row);
        pk = gridVO.getEmpCode();
      }

      String sql =
          "select EMP.EMP_CODE,EMP.FIRST_NAME, EMP.LAST_NAME,EMP.DEPT_CODE,DEPT.DESCRIPTION,EMP.TASK_CODE,TASKS.DESCRIPTION,EMP.SEX,EMP.HIRE_DATE,EMP.SALARY,EMP.NOTE "
              + "from EMP,DEPT,TASKS where EMP.DEPT_CODE=DEPT.DEPT_CODE and EMP.TASK_CODE=TASKS.TASK_CODE and EMP.EMP_CODE='"
              + pk
              + "'";

      // mapping between attributes and database fields...
      Map attribute2dbField = new HashMap();
      attribute2dbField.put("empCode", "EMP.EMP_CODE");
      attribute2dbField.put("firstName", "EMP.FIRST_NAME");
      attribute2dbField.put("lastName", "EMP.LAST_NAME");
      attribute2dbField.put("deptCode", "EMP.DEPT_CODE");
      attribute2dbField.put("deptDescription", "DEPT.DESCRIPTION");
      attribute2dbField.put("taskCode", "EMP.TASK_CODE");
      attribute2dbField.put("taskDescription", "TASKS.DESCRIPTION");
      attribute2dbField.put("sex", "EMP.SEX");
      attribute2dbField.put("hireDate", "EMP.HIRE_DATE");
      attribute2dbField.put("salary", "EMP.SALARY");
      attribute2dbField.put("note", "EMP.NOTE");

      return QueryUtil.getQuery(
          conn,
          sql,
          new ArrayList(), // list of values linked to "?" parameters in sql
          attribute2dbField,
          EmpVO.class, // v.o. to dinamically create for each row...
          "Y",
          "N",
          true // log query...
          );
    } catch (Exception ex) {
      ex.printStackTrace();
      return new ErrorResponse(ex.getMessage());
    }

    /*
        // an alternative way: you can define your own business logic to retrieve data and adding filtering/sorting conditions at hand...
        Statement stmt = null;
        try {
          stmt = conn.createStatement();
          ResultSet rset = stmt.executeQuery(
            "select EMP.EMP_CODE,EMP.FIRST_NAME, EMP.LAST_NAME,EMP.DEPT_CODE,DEPT.DESCRIPTION,EMP.TASK_CODE,TASKS.DESCRIPTION,EMP.SEX,EMP.HIRE_DATE,EMP.SALARY,EMP.NOTE "+
            "from EMP,DEPT,TASKS where EMP.DEPT_CODE=DEPT.DEPT_CODE and EMP.TASK_CODE=TASKS.TASK_CODE and EMP.EMP_CODE='"+pk+"'"
          );
          if (rset.next()) {
            EmpVO vo = new EmpVO();
            vo.setEmpCode(rset.getString(1));
            vo.setFirstName(rset.getString(2));
            vo.setLastName(rset.getString(3));
            vo.setDeptCode(rset.getString(4));
            vo.setDeptDescription(rset.getString(5));
            vo.setTaskCode(rset.getString(6));
            vo.setTaskDescription(rset.getString(7));
            vo.setSex(rset.getString(8));
            vo.setHireDate(rset.getDate(9));
            vo.setSalary(rset.getBigDecimal(10));
            vo.setNote(rset.getString(11));
            return new VOResponse(vo);
          }
          else
            return new ErrorResponse("No data found.");
        }
        catch (SQLException ex) {
          ex.printStackTrace();
          return new ErrorResponse(ex.getMessage());
        }
        finally {
          try {
            stmt.close();
          }
          catch (SQLException ex1) {
          }
        }
    */
  }
Exemplo n.º 2
0
  /**
   * Method called by the Form panel to insert new data.
   *
   * @param newValueObject value object to save
   * @return an ErrorResponse value object in case of errors, VOResponse if the operation is
   *     successfully completed
   */
  public Response insertRecord(ValueObject newPersistentObject) throws Exception {
    // mapping between attributes and database fields...
    Map attribute2dbField = new HashMap();
    attribute2dbField.put("empCode", "EMP_CODE");
    attribute2dbField.put("firstName", "FIRST_NAME");
    attribute2dbField.put("lastName", "LAST_NAME");
    attribute2dbField.put("deptCode", "DEPT_CODE");
    attribute2dbField.put("taskCode", "TASK_CODE");
    attribute2dbField.put("sex", "SEX");
    attribute2dbField.put("hireDate", "HIRE_DATE");
    attribute2dbField.put("salary", "SALARY");
    attribute2dbField.put("note", "NOTE");

    Response res =
        QueryUtil.insertTable(conn, newPersistentObject, "EMP", attribute2dbField, "Y", "N", true);
    if (res.isError()) {
      conn.rollback();
      return res;
    } else {
      // insert 7 records in WORKING_DAYS, one for each day of week...
      PreparedStatement pstmt = null;
      try {
        pstmt = conn.prepareStatement("insert into WORKING_DAYS(EMP_CODE,DAY) values(?,?)");

        pstmt.setString(1, ((EmpVO) newPersistentObject).getEmpCode());
        pstmt.setInt(2, Calendar.SUNDAY);
        pstmt.execute();

        pstmt.setString(1, ((EmpVO) newPersistentObject).getEmpCode());
        pstmt.setInt(2, Calendar.MONDAY);
        pstmt.execute();

        pstmt.setString(1, ((EmpVO) newPersistentObject).getEmpCode());
        pstmt.setInt(2, Calendar.TUESDAY);
        pstmt.execute();

        pstmt.setString(1, ((EmpVO) newPersistentObject).getEmpCode());
        pstmt.setInt(2, Calendar.WEDNESDAY);
        pstmt.execute();

        pstmt.setString(1, ((EmpVO) newPersistentObject).getEmpCode());
        pstmt.setInt(2, Calendar.THURSDAY);
        pstmt.execute();

        pstmt.setString(1, ((EmpVO) newPersistentObject).getEmpCode());
        pstmt.setInt(2, Calendar.FRIDAY);
        pstmt.execute();

        pstmt.setString(1, ((EmpVO) newPersistentObject).getEmpCode());
        pstmt.setInt(2, Calendar.SATURDAY);
        pstmt.execute();

        conn.commit();

        frame
            .getGrid()
            .getOtherGridParams()
            .put("empCode", ((EmpVO) newPersistentObject).getEmpCode());
        frame.getGrid().reloadData();

        return res;
      } catch (Exception ex) {
        conn.rollback();
        return new ErrorResponse(ex.getMessage());
      } finally {
        try {
          pstmt.close();
        } catch (Exception ex1) {
        }
      }
    }

    /*
        // an alternative way: you can define your own business logic to store data at hand...
        PreparedStatement stmt = null;
        try {
          stmt = conn.prepareStatement("insert into EMP(EMP_CODE,FIRST_NAME,LAST_NAME,DEPT_CODE,TASK_CODE,SEX,HIRE_DATE,SALARY,NOTE) values(?,?,?,?,?,?,?,?,?)");
          EmpVO vo = (EmpVO)newPersistentObject;
          stmt.setString(1,vo.getEmpCode());
          stmt.setString(2,vo.getFirstName());
          stmt.setString(3,vo.getLastName());
          stmt.setString(4,vo.getDeptCode());
          stmt.setString(5,vo.getTaskCode());
          stmt.setString(6,vo.getSex());
          stmt.setDate(7,vo.getHireDate());
          stmt.setBigDecimal(8,vo.getSalary());
          stmt.setString(9,vo.getNote());

          stmt.execute();
          pk = vo.getEmpCode();
          gridFrame.reloadData();
          return new VOResponse(vo);
        }
        catch (SQLException ex) {
          ex.printStackTrace();
          return new ErrorResponse(ex.getMessage());
        }
        finally {
          try {
            stmt.close();
            conn.commit();
          }
          catch (SQLException ex1) {
          }
        }
    */
  }