28 lines
1.2 KiB
Java
28 lines
1.2 KiB
Java
package it.cavallium.dbengine.lucene.searcher;
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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 scoredLuceneMultiSearcher = new ScoredLuceneMultiSearcher();
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private static final LuceneMultiSearcher unscoredPagedLuceneMultiSearcher = new UnscoredPagedLuceneMultiSearcher();
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private static final LuceneMultiSearcher unscoredIterableLuceneMultiSearcher = new UnscoredUnsortedContinuousLuceneMultiSearcher();
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private static final LuceneMultiSearcher countLuceneMultiSearcher = new CountLuceneMultiSearcher();
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@Override
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public Mono<LuceneShardSearcher> createShardSearcher(LocalQueryParams queryParams) {
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if (queryParams.limit() <= 0) {
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return countLuceneMultiSearcher.createShardSearcher(queryParams);
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} else if (queryParams.isScored()) {
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return scoredLuceneMultiSearcher.createShardSearcher(queryParams);
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} else if (queryParams.offset() == 0 && queryParams.limit() >= 2147483630 && !queryParams.isSorted()) {
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return unscoredIterableLuceneMultiSearcher.createShardSearcher(queryParams);
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} else {
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return unscoredPagedLuceneMultiSearcher.createShardSearcher(queryParams);
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}
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}
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}
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