/**
* As the priority queue have one result for each node, when we fetch a result we have to recharge
* the queue (getting the next score doc from the correct node)
*
* @param scoreDoc
* @return
*/
private ClusteredTopDocs rechargeQueue(ClusteredDoc scoreDoc) {
// "recharging" the queue
// the queue has a top element of each node. As we removed a element, we have to get the next
// element from this node and put on the queue.
ClusteredTopDocs topDoc = topDocsResponses.get(scoreDoc.getNodeUuid());
ScoreDoc score = topDoc.getNext();
// if score == null -> this node does not have more results...
if (score != null) {
hq.add(score);
}
return topDoc;
}
protected Object fetchValue(ClusteredDoc scoreDoc, ClusteredTopDocs topDoc) {
ISPNEagerTopDocs eagerTopDocs = (ISPNEagerTopDocs) topDoc.getTopDocs();
return cache.get(eagerTopDocs.keys[scoreDoc.getIndex()]);
}