try {
StatefulSession session2 = this.rulebase.newStatefulSession();
for ( int k = 0; k < ITERATIONS; k++ ) {
GrandParent gp = new GrandParent( "bob" );
Parent parent = new Parent( "mark" );
parent.setGrandParent( gp );
Child child = new Child( "mike" );
child.setParent( parent );
session2.insert( gp );