42 lines
1.5 KiB
Java
42 lines
1.5 KiB
Java
package it.cavallium.dbengine.lucene.searcher;
|
|
|
|
import io.net5.buffer.api.Send;
|
|
import it.cavallium.dbengine.client.query.current.data.TotalHitsCount;
|
|
import it.cavallium.dbengine.database.LLUtils;
|
|
import it.cavallium.dbengine.database.disk.LLIndexSearcher;
|
|
import it.cavallium.dbengine.database.disk.LLIndexSearchers;
|
|
import it.cavallium.dbengine.lucene.searcher.LLSearchTransformer.TransformerInput;
|
|
import org.apache.lucene.search.IndexSearcher;
|
|
import reactor.core.publisher.Flux;
|
|
import reactor.core.publisher.Mono;
|
|
import reactor.core.scheduler.Schedulers;
|
|
|
|
public class CountLuceneLocalSearcher implements LuceneLocalSearcher {
|
|
|
|
@Override
|
|
public Mono<Send<LuceneSearchResult>> collect(Mono<Send<LLIndexSearcher>> indexSearcherMono,
|
|
LocalQueryParams queryParams,
|
|
String keyFieldName,
|
|
LLSearchTransformer transformer) {
|
|
return Mono
|
|
.usingWhen(
|
|
indexSearcherMono,
|
|
indexSearcher -> {
|
|
var queryParamsMono = transformer
|
|
.transform(Mono.fromSupplier(() -> new TransformerInput(LLIndexSearchers.unsharded(indexSearcher),
|
|
queryParams)));
|
|
|
|
return queryParamsMono.flatMap(queryParams2 -> Mono.fromCallable(() -> {
|
|
try (var is = indexSearcher.receive()) {
|
|
LLUtils.ensureBlocking();
|
|
return is.getIndexSearcher().count(queryParams2.query());
|
|
}
|
|
}).subscribeOn(Schedulers.boundedElastic()));
|
|
},
|
|
is -> Mono.empty()
|
|
)
|
|
.map(count -> new LuceneSearchResult(TotalHitsCount.of(count, true), Flux.empty(), null).send())
|
|
.doOnDiscard(Send.class, Send::close);
|
|
}
|
|
}
|