/** * Method called by the Form panel to update existing data. * * @param oldPersistentObject original value object, previous to the changes * @param persistentObject value object to save * @return an ErrorResponse value object in case of errors, VOResponse if the operation is * successfully completed */ public Response updateRecord(ValueObject oldPersistentObject, ValueObject persistentObject) 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"); HashSet pk = new HashSet(); pk.add("empCode"); Response res = QueryUtil.updateTable( conn, pk, oldPersistentObject, persistentObject, "EMP", attribute2dbField, "Y", "N", true); if (res.isError()) conn.rollback(); else conn.commit(); return res; /* // an alternative way: you can define your own business logic to store data at hand... PreparedStatement stmt = null; try { stmt = conn.prepareStatement("update EMP set EMP_CODE=?,FIRST_NAME=?,LAST_NAME=?,DEPT_CODE=?,TASK_CODE=?,SEX=?,HIRE_DATE=?,SALARY=?,NOTE=? where EMP_CODE=?"); EmpVO vo = (EmpVO)persistentObject; 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.setString(10,vo.getEmpCode()); stmt.execute(); 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) { } } */ }
/** * 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) { } } */ }
/** * 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) { } } */ }