Hi All,

i am using POJO's with in Pojo's. this is like
class A{
private int a1;
private B b;
}

class B
{
private int b1;
private set c;
}

Class C{
int c1;

}

how can i access Set of values from calss A.
i am using Criteria and Projections in the Criteria.
i write like this

List list = session.createCriteria(A.class, "a").createCriteria("a.b", "b")
.setProjection(Projections.property("b.c")).list();

but its producing null. i want a query which is executed successfully with performance considerations.

If you want to get the value of c1 from A than You retrive the list from A and you can get both B and C from this.
List list=session.createCriteria(A.class).list();
Now you can access the c1 :
Iterator iter=list.iterator();
while(iter.hasNext()){
A a=(A)iter.next();
now u can get
int c1=a.getB().getC().getC1();

if i did like this it will take a much time and also reduces the performance. beacuse i have more than 50 fields in each table. so, for the given query will take more memory and also execution time. because of this reason i am using projections. from projections we can access a perticular field. while using projections i can't able to access the Collection Object. i am getting nullPointerException. i want little bit comfertable code.