1 package org.apache.lucene.facet.search.aggregator;
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21 * A {@link CountingAggregator} used during complement counting.
23 * @lucene.experimental
25 public class ComplementCountingAggregator extends CountingAggregator {
27 public ComplementCountingAggregator(int[] counterArray) {
32 public void aggregate(int ordinal) {
33 assert counterArray[ordinal]!=0:"complement aggregation: count is about to become negative for ordinal "+ordinal;
34 --counterArray[ordinal];