2021-07-10 20:52:01 +02:00
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package it.cavallium.dbengine.database.memory;
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2021-10-30 11:13:46 +02:00
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import io.micrometer.core.instrument.MeterRegistry;
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2021-09-17 16:56:28 +02:00
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import io.net5.buffer.api.BufferAllocator;
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2021-07-10 20:52:01 +02:00
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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.database.Column;
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import it.cavallium.dbengine.database.LLDatabaseConnection;
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import it.cavallium.dbengine.database.LLKeyValueDatabase;
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import it.cavallium.dbengine.database.LLLuceneIndex;
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import it.cavallium.dbengine.database.disk.LLLocalLuceneIndex;
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2021-11-21 12:31:23 +01:00
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import it.cavallium.dbengine.database.disk.LLTempLMDBEnv;
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2021-10-13 12:25:32 +02:00
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import it.cavallium.dbengine.lucene.LuceneHacks;
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2021-07-10 20:52:01 +02:00
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import it.cavallium.dbengine.netty.JMXNettyMonitoringManager;
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2021-11-21 12:31:23 +01:00
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import java.nio.file.Files;
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2021-07-10 20:52:01 +02:00
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import java.util.List;
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2021-11-21 12:31:23 +01:00
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import java.util.concurrent.atomic.AtomicBoolean;
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import java.util.concurrent.atomic.AtomicReference;
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2021-10-13 00:23:56 +02:00
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import org.jetbrains.annotations.Nullable;
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2021-07-10 20:52:01 +02:00
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import reactor.core.publisher.Mono;
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import reactor.core.scheduler.Schedulers;
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public class LLMemoryDatabaseConnection implements LLDatabaseConnection {
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static {
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JMXNettyMonitoringManager.initialize();
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}
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2021-11-21 12:31:23 +01:00
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private final AtomicBoolean connected = new AtomicBoolean();
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2021-08-31 09:14:46 +02:00
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private final BufferAllocator allocator;
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private final MeterRegistry meterRegistry;
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2021-11-21 12:31:23 +01:00
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private final AtomicReference<LLTempLMDBEnv> env = new AtomicReference<>();
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2021-10-30 11:13:46 +02:00
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public LLMemoryDatabaseConnection(BufferAllocator allocator, MeterRegistry meterRegistry) {
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2021-07-10 20:52:01 +02:00
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this.allocator = allocator;
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2021-10-30 11:13:46 +02:00
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this.meterRegistry = meterRegistry;
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2021-07-10 20:52:01 +02:00
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}
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@Override
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public BufferAllocator getAllocator() {
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return allocator;
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}
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2021-10-30 11:13:46 +02:00
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@Override
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public MeterRegistry getMeterRegistry() {
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return meterRegistry;
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}
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@Override
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public Mono<LLDatabaseConnection> connect() {
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return Mono
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.<LLDatabaseConnection>fromCallable(() -> {
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if (!connected.compareAndSet(false, true)) {
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throw new IllegalStateException("Already connected");
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}
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var prev = env.getAndSet(new LLTempLMDBEnv());
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if (prev != null) {
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throw new IllegalStateException("Env was already set");
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}
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return this;
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})
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.subscribeOn(Schedulers.boundedElastic());
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2021-07-10 20:52:01 +02:00
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}
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@Override
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public Mono<LLKeyValueDatabase> getDatabase(String name,
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List<Column> columns,
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DatabaseOptions databaseOptions) {
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return Mono
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.<LLKeyValueDatabase>fromCallable(() -> new LLMemoryKeyValueDatabase(
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allocator,
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meterRegistry,
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name,
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columns
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))
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.subscribeOn(Schedulers.boundedElastic());
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}
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@Override
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public Mono<LLLuceneIndex> getLuceneIndex(@Nullable String clusterName,
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@Nullable String shardName,
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int instancesCount,
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IndicizerAnalyzers indicizerAnalyzers,
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IndicizerSimilarities indicizerSimilarities,
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LuceneOptions luceneOptions,
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@Nullable LuceneHacks luceneHacks) {
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return Mono
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.<LLLuceneIndex>fromCallable(() -> {
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var env = this.env.get();
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return new LLLocalLuceneIndex(env,
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null,
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meterRegistry,
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clusterName,
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shardName,
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indicizerAnalyzers,
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indicizerSimilarities,
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luceneOptions,
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luceneHacks
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);
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})
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.subscribeOn(Schedulers.boundedElastic());
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}
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@Override
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public Mono<Void> disconnect() {
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return Mono.<Void>fromCallable(() -> {
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if (connected.compareAndSet(true, false)) {
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var env = this.env.get();
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if (env != null) {
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env.close();
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}
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}
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return null;
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}).subscribeOn(Schedulers.boundedElastic());
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}
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}
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