117 lines
3.4 KiB
Java
117 lines
3.4 KiB
Java
package it.cavallium.dbengine.database.memory;
|
|
|
|
import io.micrometer.core.instrument.MeterRegistry;
|
|
import io.net5.buffer.api.BufferAllocator;
|
|
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.LLLocalLuceneIndex;
|
|
import it.cavallium.dbengine.database.disk.LLTempLMDBEnv;
|
|
import it.cavallium.dbengine.lucene.LuceneHacks;
|
|
import it.cavallium.dbengine.netty.JMXNettyMonitoringManager;
|
|
import java.nio.file.Files;
|
|
import java.util.List;
|
|
import java.util.concurrent.atomic.AtomicBoolean;
|
|
import java.util.concurrent.atomic.AtomicReference;
|
|
import org.jetbrains.annotations.Nullable;
|
|
import reactor.core.publisher.Mono;
|
|
import reactor.core.scheduler.Schedulers;
|
|
|
|
public class LLMemoryDatabaseConnection implements LLDatabaseConnection {
|
|
|
|
static {
|
|
JMXNettyMonitoringManager.initialize();
|
|
}
|
|
|
|
private final AtomicBoolean connected = new AtomicBoolean();
|
|
private final BufferAllocator allocator;
|
|
private final MeterRegistry meterRegistry;
|
|
private final AtomicReference<LLTempLMDBEnv> env = new AtomicReference<>();
|
|
|
|
public LLMemoryDatabaseConnection(BufferAllocator allocator, MeterRegistry meterRegistry) {
|
|
this.allocator = allocator;
|
|
this.meterRegistry = meterRegistry;
|
|
}
|
|
|
|
@Override
|
|
public BufferAllocator getAllocator() {
|
|
return allocator;
|
|
}
|
|
|
|
@Override
|
|
public MeterRegistry getMeterRegistry() {
|
|
return meterRegistry;
|
|
}
|
|
|
|
@Override
|
|
public Mono<LLDatabaseConnection> connect() {
|
|
return Mono
|
|
.<LLDatabaseConnection>fromCallable(() -> {
|
|
if (!connected.compareAndSet(false, true)) {
|
|
throw new IllegalStateException("Already connected");
|
|
}
|
|
var prev = env.getAndSet(new LLTempLMDBEnv());
|
|
if (prev != null) {
|
|
throw new IllegalStateException("Env was already set");
|
|
}
|
|
return this;
|
|
})
|
|
.subscribeOn(Schedulers.boundedElastic());
|
|
}
|
|
|
|
@Override
|
|
public Mono<LLKeyValueDatabase> getDatabase(String name,
|
|
List<Column> columns,
|
|
DatabaseOptions databaseOptions) {
|
|
return Mono
|
|
.<LLKeyValueDatabase>fromCallable(() -> new LLMemoryKeyValueDatabase(
|
|
allocator,
|
|
meterRegistry,
|
|
name,
|
|
columns
|
|
))
|
|
.subscribeOn(Schedulers.boundedElastic());
|
|
}
|
|
|
|
@Override
|
|
public Mono<LLLuceneIndex> getLuceneIndex(String name,
|
|
int instancesCount,
|
|
IndicizerAnalyzers indicizerAnalyzers,
|
|
IndicizerSimilarities indicizerSimilarities,
|
|
LuceneOptions luceneOptions,
|
|
@Nullable LuceneHacks luceneHacks) {
|
|
return Mono
|
|
.<LLLuceneIndex>fromCallable(() -> {
|
|
var env = this.env.get();
|
|
return new LLLocalLuceneIndex(env,
|
|
null,
|
|
meterRegistry,
|
|
name,
|
|
indicizerAnalyzers,
|
|
indicizerSimilarities,
|
|
luceneOptions,
|
|
luceneHacks
|
|
);
|
|
})
|
|
.subscribeOn(Schedulers.boundedElastic());
|
|
}
|
|
|
|
@Override
|
|
public Mono<Void> disconnect() {
|
|
return Mono.<Void>fromCallable(() -> {
|
|
if (connected.compareAndSet(true, false)) {
|
|
var env = this.env.get();
|
|
if (env != null) {
|
|
env.close();
|
|
}
|
|
}
|
|
return null;
|
|
}).subscribeOn(Schedulers.boundedElastic());
|
|
}
|
|
}
|