/**
* Adds refinement requests for the value for each shard that has not already contributed a count
* for this value.
*/
private void processDefiniteCandidateElement(PivotFacet pf, PivotFacetValue value) {
for (int shard = pf.knownShards.nextSetBit(0);
0 <= shard;
shard = pf.knownShards.nextSetBit(shard + 1)) {
if (!value.shardHasContributed(shard)) {
if ( // if we're doing index order, we need to refine anything
// (mincount may have excluded from a shard)
FacetParams.FACET_SORT_INDEX.equals(facetFieldSort)
// if we are doing count order, we need to refine if the limit was hit
// (if not, the shard doesn't have the value or it would have returned already)
|| numberOfValuesContributedByShardWasLimitedByFacetFieldLimit(shard)) {
pf.addRefinement(shard, value);
}
}
}
}
/**
* Checks the {@link #lowestCountContributedbyShard} for each shard, combined with the counts we
* already know, to see if this value is a viable candidate -- <b>Does not make sense when using
* {@link FacetParams#FACET_SORT_INDEX}</b>
*
* @see #processDefiniteCandidateElement
*/
private void processPossibleCandidateElement(
PivotFacet pf, PivotFacetValue value, final int refinementThreshold) {
assert FacetParams.FACET_SORT_COUNT.equals(facetFieldSort)
: "Method only makes sense when sorting by count";
int maxPossibleCountAfterRefinement = value.getCount();
for (int shard = pf.knownShards.nextSetBit(0);
0 <= shard;
shard = pf.knownShards.nextSetBit(shard + 1)) {
if (!value.shardHasContributed(shard)) {
maxPossibleCountAfterRefinement += lowestCountContributedbyShard(shard);
}
}
if (refinementThreshold <= maxPossibleCountAfterRefinement) {
processDefiniteCandidateElement(pf, value);
}
}
