CavalliumDBEngine/src/main/java/it/cavallium/dbengine/database/memory/LLMemoryDatabaseConnection.java

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2021-07-10 20:52:01 +02:00
package it.cavallium.dbengine.database.memory;
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import io.netty.buffer.api.BufferAllocator;
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import it.cavallium.dbengine.client.DatabaseOptions;
import it.cavallium.dbengine.client.IndicizerAnalyzers;
import it.cavallium.dbengine.client.IndicizerSimilarities;
import it.cavallium.dbengine.client.LuceneOptions;
import it.cavallium.dbengine.database.Column;
import it.cavallium.dbengine.database.LLDatabaseConnection;
import it.cavallium.dbengine.database.LLKeyValueDatabase;
import it.cavallium.dbengine.database.LLLuceneIndex;
import it.cavallium.dbengine.database.disk.LLLocalKeyValueDatabase;
import it.cavallium.dbengine.database.disk.LLLocalLuceneIndex;
import it.cavallium.dbengine.database.disk.LLLocalMultiLuceneIndex;
import it.cavallium.dbengine.netty.JMXNettyMonitoringManager;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.LinkedList;
import java.util.List;
import reactor.core.publisher.Mono;
import reactor.core.scheduler.Schedulers;
public class LLMemoryDatabaseConnection implements LLDatabaseConnection {
static {
JMXNettyMonitoringManager.initialize();
}
private final ByteBufAllocator allocator;
public LLMemoryDatabaseConnection(ByteBufAllocator allocator) {
this.allocator = allocator;
}
@Override
public ByteBufAllocator getAllocator() {
return allocator;
}
@Override
public Mono<LLDatabaseConnection> connect() {
return Mono.empty();
}
@Override
public Mono<LLKeyValueDatabase> getDatabase(String name,
List<Column> columns,
DatabaseOptions databaseOptions) {
return Mono
.<LLKeyValueDatabase>fromCallable(() -> new LLMemoryKeyValueDatabase(
allocator,
name,
columns
))
.subscribeOn(Schedulers.boundedElastic());
}
@Override
public Mono<LLLuceneIndex> getLuceneIndex(String name,
int instancesCount,
IndicizerAnalyzers indicizerAnalyzers,
IndicizerSimilarities indicizerSimilarities,
LuceneOptions luceneOptions) {
return Mono
.<LLLuceneIndex>fromCallable(() -> new LLLocalLuceneIndex(null,
name,
indicizerAnalyzers,
indicizerSimilarities,
luceneOptions
))
.subscribeOn(Schedulers.boundedElastic());
}
@Override
public Mono<Void> disconnect() {
return Mono.empty();
}
}