Master-details problem: How to access the parent EO/VO in child side?

Question

Hello
Refer to the reply of posting
Re: How to insert  new records in Master and detail Forms.
I have got the following questions
The approach for setting the master-details relationship works well, however, in this example,
I have overriden the create(AttributeList attributeList) method of VO2, so after calling
DCBindingContainer dcb = ADFUtils.getDCBindingContainer();
OperationBinding oper = dcb.getOperationBinding("CreateInsertVO2");
oper.execute();
, it will enter the create() method of VO2, at this point, i can only access the argument attributeList
which stored the key value that link up parent and child, however, how can i get the entire VO1
for accessing the value of all VO1's attribute?
Thanks

Answer 1

Neon wrote:
I have mapped a createInsert action in the blinding layerThis is OK.
Neon wrote:
Do you mean that i have to create createRow and insertRow action in blinding layer?No. The createInsert operation does just that
Neon wrote:
Or call these function in the VO overridden create() method?No. You can't do that.
In conclusion, I don't understand why the accessor returns null. Maybe someone else can shed some light... ?:|
One last suggestion from me is to try getting the VO1 directly from the AM instead.
This should work - it is not a recommended practice through.
Use the following code:
VO1RowImpl vo1 = (VO1RowImpl)this.getVO1();
// ensure that the VO1 VL accessor is properly initialized
if (vo1 == null) {
   vo1 = (VO1RowImpl)((YourApplicationModuleImpl)this.getApplicationModule()).getVO1().getCurrentRow();
}