return nodes[0].doc.getDocId() == doc.getDocId() && nodes[0].gid == nodeId;
return nodes[0].getDocument().getDocId() == doc.getDocId() && nodes[0].gid == nodeId;
	public boolean contains(DocumentImpl doc, long nodeId) {		return nodes[0].doc.getDocId() == doc.getDocId() && nodes[0].gid == nodeId;	}