r.setName("root1");
TIntRoot r2 = new TIntRoot();
r.setName("root2");
TIntChild c1 = new TIntChild();
c1.setName("child1");
c1.setChildProperty("cp1");
TIntChild c2 = new TIntChild();
c2.setName("child2");
c2.setChildProperty("cp2");
Ebean.save(r);
Ebean.save(r2);
Ebean.save(c1);