s.beginTransaction();
SimpleEntityWithAssociation owner = new SimpleEntityWithAssociation( "myEntity-1" );
owner.addAssociation( "assoc-1" );
owner.addAssociation( "assoc-2" );
owner.addAssociation( "assoc-3" );
s.save( owner );
SimpleEntityWithAssociation owner2 = new SimpleEntityWithAssociation( "myEntity-2" );
owner2.addAssociation( "assoc-1" );
owner2.addAssociation( "assoc-2" );
owner2.addAssociation( "assoc-3" );
owner2.addAssociation( "assoc-4" );