CavalliumDBEngine/src/main/java/it/cavallium/dbengine/database/memory/LLMemoryDatabaseConnection.java
2023-02-22 16:21:13 +01:00

78 lines
2.5 KiB
Java

package it.cavallium.dbengine.database.memory;
import io.micrometer.core.instrument.MeterRegistry;
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.lucene.LuceneHacks;
import it.cavallium.dbengine.lucene.LuceneUtils;
import it.cavallium.dbengine.rpc.current.data.ByteBuffersDirectory;
import it.cavallium.dbengine.rpc.current.data.Column;
import it.cavallium.dbengine.rpc.current.data.DatabaseOptions;
import it.cavallium.dbengine.rpc.current.data.IndicizerAnalyzers;
import it.cavallium.dbengine.rpc.current.data.IndicizerSimilarities;
import it.cavallium.dbengine.rpc.current.data.LuceneIndexStructure;
import it.cavallium.dbengine.rpc.current.data.LuceneOptions;
import it.cavallium.dbengine.rpc.current.data.LuceneOptionsBuilder;
import java.util.List;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.atomic.AtomicReference;
import org.jetbrains.annotations.Nullable;
public class LLMemoryDatabaseConnection implements LLDatabaseConnection {
private final AtomicBoolean connected = new AtomicBoolean();
private final MeterRegistry meterRegistry;
public LLMemoryDatabaseConnection(MeterRegistry meterRegistry) {
this.meterRegistry = meterRegistry;
}
@Override
public MeterRegistry getMeterRegistry() {
return meterRegistry;
}
@Override
public LLDatabaseConnection connect() {
if (!connected.compareAndSet(false, true)) {
throw new IllegalStateException("Already connected");
}
return this;
}
@Override
public LLKeyValueDatabase getDatabase(String name,
List<Column> columns,
DatabaseOptions databaseOptions) {
return new LLMemoryKeyValueDatabase(meterRegistry, name, columns);
}
@Override
public LLLuceneIndex getLuceneIndex(String clusterName,
LuceneIndexStructure indexStructure,
IndicizerAnalyzers indicizerAnalyzers,
IndicizerSimilarities indicizerSimilarities,
LuceneOptions luceneOptions,
@Nullable LuceneHacks luceneHacks) {
var memoryLuceneOptions = LuceneOptionsBuilder
.builder(luceneOptions)
.directoryOptions(new ByteBuffersDirectory())
.build();
return new LLLocalLuceneIndex(meterRegistry,
clusterName,
0,
indicizerAnalyzers,
indicizerSimilarities,
memoryLuceneOptions,
luceneHacks
);
}
@Override
public void disconnect() {
connected.compareAndSet(true, false);
}
}