Design Question::Instantiating Object from Stored Procedure Output

Question

Hi All,
I am confused with approaching this design issue. I called a Stored Procedure, and the output from the Stored Procedure is a REF CURSOR. The size of the REF CURSOR can be large.
My Question is, is it a good idea to pass the values from the REF CURSOR to a class constructor, there by instantiating an object of that type. lets say
//rset is of type ((OracleCallableStatement)callableStatement).getCursor(5);
//rset is not ResultType
while (rset.next()){
new ClassXYZ(var1, var2, var3);
/*var1, var2, var3 would be rset.getObject(1),rset.getObject(2),rset.getObject(3)
Class XYZ does some business logic
}Other things:
1) Will the JVM hold up assuming good enough JVM mem size, while creating objects for the range 100 thousands?
2) I do not know the cursor size. It can change randomly from business perspective. And, it would be in the range of 100 thousands
I was thinking, If I can "police" the call to the Class XYZ in case of large data. May be I am totally off the best solution. Any light on the best way to approach will be great.
Anyhow, this would be a standalone java application. Just in case if people are trying to suggest/recommend DAO etc.,
Thank you,
VJ

Answer 1

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