// Get the object
// --------------------------------------------------------------------------------
a = (A) ocm.getObject( "/test");
assertNotNull("a is null", a);
B b = new B();
b.setB1("b1");
b.setB2("b2");
// Add crossreference between b and a
a.setB(b);
b.setA(a);
B b1 = new B();
b1.setB1("b1.1");
b1.setB2("b1.2");
b1.setA(a);
a.addB(b1);
B b2 = new B();
b2.setB1("b2.1");
b2.setB2("b2.2");
b2.setA(a);
a.addB(b2);
ocm.update(a);
ocm.save();