Greetings everyone,
I recently inherited a project from another developer and he was using a
lot of XSD's that was converted to XMLBeans via an Ant task. These were
then used as schemaDto's.
All this is fine and good and I really like the ease of design and
automation it brings. One question I have though, in some of the
XMLBeans there is a method generated that is something like:
sizeOfIvestmentsArray();
Now, he has been using this method as follows:
private ContractNotes(ContractNotes cn) {
Investments investments = Investments.Factory.newInstance();
this.mapInvestments(investments);
cn.addNewInvestments();
cn.setInvestmentsArray(cn.sizeOfInvestmentsArray - 1, investments);
return cn;
}
Now my question is what exactly does the sizeOf method return each time
it is called? Does it basically return 1 the first time which would
then, used with -1, return index 0 for the Array and then add the
investment to this position in the Array.
When called again it would return 2, used with -1, it would add the next
investment at index 1 within the Array etc. etc.
So am I understanding this correctly? Does this basically allow the
Array to grow dynamically as more investment objects are added?
Looking forward to you input.
Kind Regards,
Schalk Neethling
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