108 lines
4.1 KiB
Java
108 lines
4.1 KiB
Java
package it.cavallium.dbengine;
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import static it.cavallium.dbengine.DbTestUtils.ensureNoLeaks;
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import io.micrometer.core.instrument.simple.SimpleMeterRegistry;
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import it.cavallium.dbengine.DbTestUtils.TempDb;
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import it.cavallium.dbengine.DbTestUtils.TestAllocator;
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import it.cavallium.dbengine.client.DatabaseOptions;
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import it.cavallium.dbengine.client.IndicizerAnalyzers;
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import it.cavallium.dbengine.client.IndicizerSimilarities;
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import it.cavallium.dbengine.client.LuceneOptions;
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import it.cavallium.dbengine.client.NRTCachingOptions;
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import it.cavallium.dbengine.database.Column;
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import it.cavallium.dbengine.database.LLKeyValueDatabase;
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import it.cavallium.dbengine.database.disk.LLLocalDatabaseConnection;
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import it.cavallium.dbengine.lucene.LuceneHacks;
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import it.cavallium.dbengine.lucene.analyzer.TextFieldsAnalyzer;
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import it.cavallium.dbengine.lucene.analyzer.TextFieldsSimilarity;
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import java.io.IOException;
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import java.nio.file.Files;
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import java.nio.file.Path;
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import java.time.Duration;
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import java.util.Comparator;
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import java.util.List;
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import java.util.Map;
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import java.util.Optional;
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import java.util.concurrent.CompletionException;
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import java.util.concurrent.atomic.AtomicInteger;
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import reactor.core.publisher.Mono;
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import reactor.core.scheduler.Schedulers;
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public class LocalTemporaryDbGenerator implements TemporaryDbGenerator {
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private static final AtomicInteger dbId = new AtomicInteger(0);
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private static final Optional<NRTCachingOptions> NRT = Optional.empty();
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private static final LuceneOptions LUCENE_OPTS = new LuceneOptions(Map.of(), Duration.ofSeconds(5), Duration.ofSeconds(5),
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false, true, Optional.empty(), true, NRT, 16 * 1024 * 1024, true, false);
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@Override
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public Mono<TempDb> openTempDb(TestAllocator allocator) {
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boolean canUseNettyDirect = DbTestUtils.computeCanUseNettyDirect();
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return Mono.defer(() -> {
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var wrkspcPath = Path.of("/tmp/.cache/tempdb-" + dbId.incrementAndGet() + "/");
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return Mono
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.<LLKeyValueDatabase>fromCallable(() -> {
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if (Files.exists(wrkspcPath)) {
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Files.walk(wrkspcPath).sorted(Comparator.reverseOrder()).forEach(file -> {
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try {
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Files.delete(file);
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} catch (IOException ex) {
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throw new CompletionException(ex);
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}
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});
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}
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Files.createDirectories(wrkspcPath);
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return null;
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})
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.subscribeOn(Schedulers.boundedElastic())
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.then(new LLLocalDatabaseConnection(allocator.allocator(), new SimpleMeterRegistry(), wrkspcPath).connect())
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.flatMap(conn -> {
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SwappableLuceneSearcher searcher = new SwappableLuceneSearcher();
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var luceneHacks = new LuceneHacks(() -> searcher, () -> searcher);
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return Mono.zip(
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conn.getDatabase("testdb",
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List.of(Column.dictionary("testmap"), Column.special("ints"), Column.special("longs")),
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new DatabaseOptions(Map.of(), true, false, true, false,
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true, canUseNettyDirect, canUseNettyDirect, -1)
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),
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conn.getLuceneIndex("testluceneindex1",
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1,
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IndicizerAnalyzers.of(TextFieldsAnalyzer.WordSimple),
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IndicizerSimilarities.of(TextFieldsSimilarity.Boolean),
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LUCENE_OPTS,
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luceneHacks
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),
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conn.getLuceneIndex("testluceneindex16",
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3,
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IndicizerAnalyzers.of(TextFieldsAnalyzer.WordSimple),
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IndicizerSimilarities.of(TextFieldsSimilarity.Boolean),
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LUCENE_OPTS,
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luceneHacks
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),
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Mono.just(searcher)
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)
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.map(tuple -> new TempDb(allocator, conn, tuple.getT1(), tuple.getT2(), tuple.getT3(), tuple.getT4(), wrkspcPath));
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});
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});
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}
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@Override
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public Mono<Void> closeTempDb(TempDb tempDb) {
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return tempDb.db().close().then(tempDb.connection().disconnect()).then(Mono.fromCallable(() -> {
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ensureNoLeaks(tempDb.allocator().allocator(), false, false);
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if (Files.exists(tempDb.path())) {
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Files.walk(tempDb.path()).sorted(Comparator.reverseOrder()).forEach(file -> {
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try {
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Files.delete(file);
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} catch (IOException ex) {
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throw new CompletionException(ex);
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}
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});
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}
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return null;
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}).subscribeOn(Schedulers.boundedElastic())).then();
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}
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}
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