Need validation when insert the data through AddAnotherRow functionality

Question

hi All,
i need to validate customer id when i insert the data through AddAnotherRow functionality in AdvancedTable.
CO:
if ("AdvanceTabRN".equals(pageContext.getParameter(SOURCE_PARAM)) && ADD_ROWS_EVENT.equals(pageContext.getParameter(EVENT_PARAM)))
am.insrtCustcondtls();
AM:(For Inserting the Data based on EO Based VO)
public void insrtCustcondtls()
XxcurTradeCustomerDtlsEOVOImpl CrteVO=getXxcurTradeCustomerDtlsEOVO1();
Number cust_seq=getOADBTransaction().getSequenceValue("customer_id_seq");
CrteVO.setMaxFetchSize(0);
Row row=CrteVO.createRow();
CrteVO.insertRow(row);
row.setNewRowState(Row.STATUS_INITIALIZED);
Here Customer ID is Primary key.
if customer id is already in the table then i need to throw an exception like customer id is already existing or we need to throw an exception.
Thanks,
Mallik.

Answer 1

Hi Mallik,
Our doDml() method fires when you try to issue commit if you want to validate data at commit then just add the code in the Entity Object Class as I posted in previous post or if you want to validate records with data at add new Row button then you can follow the following aproach.
1. create a data base pl/sql function which take the customer id as input and return 1 if the customer already existed or 0 if not existed.
2. Now we can call this database function at Add new Row button
i. if it returns 1 then we will throw Exception.
ii. if it return 0 then we will let the record save in data base.
The following code will help you.
private String getCustomerId(OAPageContext pageContext,
OAWebBean webBean, String customerID) {
OAApplicationModule am =
(OAApplicationModule)pageContext.getApplicationModule(webBean);
OADBTransaction transaction = (OADBTransaction)am.getOADBTransaction();
String value = null;
CallableStatement cs = null;
try {
String plSqlStatement =
"begin :1 := nameOfYourFunction(" + customerID +
"); end;";
System.out.println(plSqlStatement);
cs = transaction.createCallableStatement(plSqlStatement, 0);
System.out.println("got executed");
cs.registerOutParameter(1, Types.CHAR);
cs.executeUpdate();
value = cs.getString(1).toString();
return value;
} catch (Exception e) {
e.printStackTrace();
return value;
Finally you can call this method as follow
if ("AdvanceTabRN".equals(pageContext.getParameter(SOURCE_PARAM)) && ADD_ROWS_EVENT.equals(pageContext.getParameter(EVENT_PARAM)))
String custID;
am.insrtCustcondtls();
custID=getCustomerId(pageContext,webBean,customerID)
if(custID.equals("1")) {
throw new OAException("Your message");
Now its up to you which aproach you follow.
Haroon.