28 lines
1.2 KiB
Java
28 lines
1.2 KiB
Java
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package it.cavallium.dbengine.lucene.searcher;
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import it.cavallium.dbengine.client.query.QueryParser;
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import it.cavallium.dbengine.client.query.current.data.QueryParams;
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import org.apache.lucene.search.Sort;
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import reactor.core.publisher.Mono;
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public class AdaptiveLuceneMultiSearcher implements LuceneMultiSearcher {
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private static final LuceneMultiSearcher sharedSortedLuceneMultiSearcher = new SharedSortedLuceneMultiSearcher();
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private static final LuceneMultiSearcher unscoredLuceneMultiSearcher = new UnscoredLuceneMultiSearcher();
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private static final LuceneMultiSearcher countLuceneMultiSearcher = new CountLuceneMultiSearcher();
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@Override
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public Mono<LuceneShardSearcher> createShardSearcher(QueryParams queryParams) {
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Sort luceneSort = QueryParser.toSort(queryParams.sort());
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if (queryParams.limit() <= 0) {
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return countLuceneMultiSearcher.createShardSearcher(queryParams);
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} else if ((luceneSort != null && luceneSort != Sort.RELEVANCE) || queryParams.scoreMode().computeScores()) {
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return sharedSortedLuceneMultiSearcher.createShardSearcher(queryParams);
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} else {
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return unscoredLuceneMultiSearcher.createShardSearcher(queryParams);
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}
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}
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}
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