src/main/java/com/googlecode/objectify/impl/SimpleQueryImpl.java
@Override
	public QueryImpl<T> ancestor(Object keyOrEntity) {
		QueryImpl<T> q = createQuery();
		q.setAncestor(keyOrEntity);
		return q;
	}
@Override
	public QueryImpl<T> ancestor(Object keyOrEntity) {
		QueryImpl<T> q = createQuery();
		q.setAncestor(keyOrEntity);
		return q;
	}
/* (non-Javadoc)
@see com.googlecode.objectify.cmd.Query#ancestor(java.lang.Object)