2021-07-06 00:30:14 +02:00
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package it.cavallium.dbengine.lucene.searcher;
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2021-09-18 18:34:21 +02:00
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import io.net5.buffer.api.Send;
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2021-10-08 11:50:28 +02:00
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import io.net5.buffer.api.internal.ResourceSupport;
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import it.cavallium.dbengine.database.LLUtils;
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2021-09-18 18:34:21 +02:00
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import it.cavallium.dbengine.database.disk.LLIndexSearcher;
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2021-09-20 12:51:27 +02:00
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import it.cavallium.dbengine.database.disk.LLIndexSearchers;
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import it.cavallium.dbengine.lucene.searcher.LLSearchTransformer.TransformerInput;
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import reactor.core.publisher.Mono;
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2021-10-13 12:25:32 +02:00
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public class AdaptiveLocalSearcher implements LocalSearcher {
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2021-07-06 00:30:14 +02:00
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2021-10-13 12:25:32 +02:00
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private static final LocalSearcher localSearcher = new PagedLocalSearcher();
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2021-07-06 00:30:14 +02:00
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2021-10-13 12:25:32 +02:00
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private static final LocalSearcher countSearcher = new CountLocalSearcher();
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2021-07-06 01:30:37 +02:00
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2021-07-06 00:30:14 +02:00
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@Override
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public Mono<LuceneSearchResult> collect(Mono<Send<LLIndexSearcher>> indexSearcher,
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LocalQueryParams queryParams,
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String keyFieldName,
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LLSearchTransformer transformer) {
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Mono<Send<LLIndexSearchers>> indexSearchersMono = indexSearcher
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.map(LLIndexSearchers::unsharded)
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.map(ResourceSupport::send);
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if (transformer == LLSearchTransformer.NO_TRANSFORMATION) {
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return transformedCollect(indexSearcher, queryParams, keyFieldName, transformer);
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} else {
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return LLUtils.usingSendResource(indexSearchersMono, indexSearchers -> transformer
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.transform(Mono.fromCallable(() -> new TransformerInput(indexSearchers, queryParams)))
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.flatMap(queryParams2 -> this
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.transformedCollect(indexSearcher, queryParams2, keyFieldName, LLSearchTransformer.NO_TRANSFORMATION)),
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true);
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}
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}
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2021-10-13 00:23:56 +02:00
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@Override
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public String getName() {
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return "adaptivelocal";
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}
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2021-11-08 11:17:52 +01:00
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public Mono<LuceneSearchResult> transformedCollect(Mono<Send<LLIndexSearcher>> indexSearcher,
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LocalQueryParams queryParams,
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String keyFieldName,
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LLSearchTransformer transformer) {
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2021-10-15 22:03:53 +02:00
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if (queryParams.limitLong() == 0) {
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return countSearcher.collect(indexSearcher, queryParams, keyFieldName, transformer);
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} else {
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return localSearcher.collect(indexSearcher, queryParams, keyFieldName, transformer);
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}
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}
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}
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