How to remove lines in my vo fit two and sometimes in sound?

Mr President

My worm jdev is 12.2.1.

My use case, it is that I have a VO in which I enter two lines and sometimes its due to the involvement of certain products sales tax.

On two rows as a single line is visible to the user for which the product id.

The second row two is hidden who have no product id.

Now how to remove these two lines and the other in the same way that they have been inserted in two and his.

The peak of lines is something like that

multiple rows delete.png

Now my question is what a single line is visible to users who have IDs and product line without product id is hidden to the user in my vo.

Then if the user click on the Remove button and then the two rows are deleted together with the click of one button Delete in the case of two lines combined.

Concerning

Mr President

In fact, my goal was to remove only lines which were inserted in some and not all rank both in the join of two by vid.

I find the solution by adding a new column in my table of details named joinrows.

Change my code like below and at the same time only one or two lines are deleted at once in the same way that they have been inserted in the one and two.

    public oracle.jbo.domain.Number getFirstSeqNumber(String seq_name){

             SequenceImpl seq=new SequenceImpl(seq_name, getDBTransaction());
                return seq.getSequenceNumber();          

                   }

    /**
     * Custom DML update/insert/delete logic here.
     * @param operation the operation type
     * @param e the transaction event
     */
    protected void doDML(int operation, TransactionEvent e) {    

        if(operation != DML_DELETE)
             {
                 setAmount(getPurqty().multiply(getUnitpurprice()));
             }
        if(operation == DML_DELETE)
            {
              deleteSecondRowInDatabase(getJoinrows());
            }  

                       if (getStaxrate() != null )
                                  {
        if (operation == DML_INSERT )
                   {                     

                           oracle.jbo.domain.Number joinrow = getFirstSeqNumber("JOINROWS_SEQ");

                           setJoinrows(joinrow); 

                           System.out.println("I am in Insert with vid= " + getVid());
                       insertSecondRowInDatabase(getVid(),getLineitem(),getJoinrows(),"6010010","SALES TAX PAYABLE",getCredit(),getCrname(),
                        (getPurqty().multiply(getUnitpurprice()).multiply(getStaxrate())).divide(100));     

                       }

        if(operation == DML_UPDATE)
                          {                                                    

                             System.out.println("I am in Update with vid= " + getVid());
                         updateSecondRowInDatabase(getVid(),
                             (getPurqty().multiply(getUnitpurprice()).multiply(getStaxrate())).divide(100));      

                          }
                   }
        super.doDML(operation, e);
    }
    private void insertSecondRowInDatabase(Object value1, Object value2, Object value3, Object value4, Object value5, Object value6, Object value7, Object value8)
              {
                PreparedStatement stat = null;
                try
                {
                  String sql = "Insert into vdet (VID,LINEITEM,JOINROWS,DEBIT,DRNAME,CREDIT,CRNAME,AMOUNT) values " +
             "('" + value1 + "','" + value2 + "','" + value3 + "','" + value4 + "','" + value5 + "','" + value6 + "','" + value7 + "','" + value8 + "')";  

                  stat = getDBTransaction().createPreparedStatement(sql, 1);
                  stat.executeUpdate();
                }
                catch (Exception e)
                {
                  e.printStackTrace();
                }
                finally
                {
                  try
                  {
                    stat.close();
                  }
                  catch (Exception e)
                  {
                    e.printStackTrace();
                  }
                }
              }  

              private void updateSecondRowInDatabase(Object value1, Object value8)
              {
                PreparedStatement stat = null;
                try
                {
                  String sql = "update vdet set  AMOUNT='"+ value8+"' where VID='" + value1 + "'";                     

                  stat = getDBTransaction().createPreparedStatement(sql, 1);  

                  stat.executeUpdate();
                }
                catch (Exception e)
                {
                  e.printStackTrace();
                }
                finally
                {
                  try
                  {
                    stat.close();
                  }
                  catch (Exception e)
                  {
                    e.printStackTrace();
                  }
                }                  

              }

    private void deleteSecondRowInDatabase(Object joinrows)
      {
        PreparedStatement stat = null;
        try
        {
          String sql = "delete from vdet where JOINROWS='" + joinrows + "'";
          stat = getDBTransaction().createPreparedStatement(sql, 1);
          stat.executeUpdate();
        }
        catch (Exception e)
        {
          e.printStackTrace();
        }
        finally
        {
          try
          {  

            stat.close();
          }
          catch (Exception e)
          {
            e.printStackTrace();
          }
        }
      }

Concerning

Tags: Java

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