for (Iterator itr = sdList.getSdList().iterator(); itr.hasNext(); ) {
ScoreDoc sd = (ScoreDoc) itr.next();
String nodeId = sd.getNodeId();
Integer docId = new Integer(sd.getDocId());
try {
network.sendDirect(nodeId,
new ResourceRequestMessage(docId),
new MessageCallback() {
public void onResponse(
ResponseMessage response) {