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

31 lines
1.1 KiB
Java

package it.cavallium.dbengine.database.collections;
import it.cavallium.dbengine.buffers.Buf;
import it.cavallium.dbengine.client.CompositeSnapshot;
import it.cavallium.dbengine.database.LLDictionary;
import it.cavallium.dbengine.database.collections.DatabaseEmpty.Nothing;
import it.cavallium.dbengine.database.serialization.SerializerFixedBinaryLength;
import it.unimi.dsi.fastutil.objects.Object2ObjectSortedMap;
import org.jetbrains.annotations.Nullable;
public class SubStageGetterSet<T> implements
SubStageGetter<Object2ObjectSortedMap<T, Nothing>, DatabaseSetDictionary<T>> {
private final SerializerFixedBinaryLength<T> keySerializer;
public SubStageGetterSet(SerializerFixedBinaryLength<T> keySerializer) {
this.keySerializer = keySerializer;
}
@Override
public DatabaseSetDictionary<T> subStage(LLDictionary dictionary,
@Nullable CompositeSnapshot snapshot,
Buf prefixKey) {
return DatabaseSetDictionary.tail(dictionary, prefixKey, keySerializer);
}
public int getKeyBinaryLength() {
return keySerializer.getSerializedBinaryLength();
}
}