package it.cavallium.dbengine.database;

import io.net5.buffer.api.Buffer;
import io.net5.buffer.api.BufferAllocator;
import io.net5.buffer.api.Send;
import it.cavallium.dbengine.database.serialization.SerializationFunction;
import it.unimi.dsi.fastutil.bytes.ByteList;
import java.util.function.Function;
import org.jetbrains.annotations.Nullable;
import reactor.core.publisher.Mono;

public interface LLSingleton extends LLKeyValueDatabaseStructure {


	BufferAllocator getAllocator();

	Mono<byte[]> get(@Nullable LLSnapshot snapshot);

	Mono<Void> set(byte[] value);

	Mono<Send<Buffer>> update(SerializationFunction<@Nullable Send<Buffer>, @Nullable Buffer> updater,
			UpdateReturnMode updateReturnMode);
}