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

25 lines
674 B
Java

package it.cavallium.dbengine.database;
import it.cavallium.dbengine.buffers.Buf;
import it.cavallium.dbengine.database.disk.BinarySerializationFunction;
import java.io.IOException;
import org.jetbrains.annotations.Nullable;
public interface LLSingleton extends LLKeyValueDatabaseStructure {
Buf get(@Nullable LLSnapshot snapshot);
void set(Buf value);
default Buf update(BinarySerializationFunction updater, UpdateReturnMode updateReturnMode) {
var prev = this.updateAndGetDelta(updater);
return LLUtils.resolveLLDelta(prev, updateReturnMode);
}
LLDelta updateAndGetDelta(BinarySerializationFunction updater);
String getColumnName();
String getName();
}