protected void store() {
   ht = new Hashtable();
   name = "parent";
   C2C c2c = new C2C();
   c2c.parent = this;
   ht.put("test", c2c);
   store(ht);
 }
 public void conc(ExtObjectContainer oc) {
   ht = (Hashtable) retrieveOnlyInstance(oc, Hashtable.class);
   C2C c2c = (C2C) ht.get("test");
   Assert.areEqual("parent", c2c.parent.name);
 }