33 lines
1.1 KiB
Java
33 lines
1.1 KiB
Java
package it.cavallium.dbengine.lucene.searcher;
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import io.net5.buffer.api.Send;
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import it.cavallium.dbengine.client.query.current.data.TotalHitsCount;
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import it.cavallium.dbengine.database.LLUtils;
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import it.cavallium.dbengine.database.disk.LLIndexSearcher;
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import reactor.core.publisher.Flux;
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import reactor.core.publisher.Mono;
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import reactor.core.scheduler.Schedulers;
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public class CountLuceneLocalSearcher implements LuceneLocalSearcher {
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@Override
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public Mono<Send<LuceneSearchResult>> collect(Mono<Send<LLIndexSearcher>> indexSearcherMono,
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LocalQueryParams queryParams,
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String keyFieldName,
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LLSearchTransformer transformer) {
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return Mono
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.usingWhen(
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indexSearcherMono,
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indexSearcher -> Mono.fromCallable(() -> {
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try (var is = indexSearcher.receive()) {
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LLUtils.ensureBlocking();
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return is.getIndexSearcher().count(queryParams.query());
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}
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}).subscribeOn(Schedulers.boundedElastic()),
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is -> Mono.empty()
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)
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.map(count -> new LuceneSearchResult(TotalHitsCount.of(count, true), Flux.empty(), null).send())
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.doOnDiscard(Send.class, Send::close);
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}
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}
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