40 lines
1.3 KiB
Java
40 lines
1.3 KiB
Java
package it.cavallium.dbengine.database.collections;
|
|
|
|
import io.netty5.buffer.api.Buffer;
|
|
import it.cavallium.dbengine.client.CompositeSnapshot;
|
|
import it.cavallium.dbengine.database.BufSupplier;
|
|
import it.cavallium.dbengine.database.LLDictionary;
|
|
import it.cavallium.dbengine.database.serialization.Serializer;
|
|
import it.cavallium.dbengine.database.serialization.SerializerFixedBinaryLength;
|
|
import it.unimi.dsi.fastutil.objects.Object2ObjectSortedMap;
|
|
import org.jetbrains.annotations.Nullable;
|
|
import reactor.core.publisher.Mono;
|
|
|
|
public class SubStageGetterMap<T, U> implements
|
|
SubStageGetter<Object2ObjectSortedMap<T, U>, DatabaseMapDictionary<T, U>> {
|
|
|
|
final SerializerFixedBinaryLength<T> keySerializer;
|
|
final Serializer<U> valueSerializer;
|
|
|
|
public SubStageGetterMap(SerializerFixedBinaryLength<T> keySerializer,
|
|
Serializer<U> valueSerializer) {
|
|
this.keySerializer = keySerializer;
|
|
this.valueSerializer = valueSerializer;
|
|
}
|
|
|
|
@Override
|
|
public Mono<DatabaseMapDictionary<T, U>> subStage(LLDictionary dictionary,
|
|
@Nullable CompositeSnapshot snapshot,
|
|
Mono<Buffer> prefixKeyMono) {
|
|
return prefixKeyMono.map(prefixKey -> DatabaseMapDictionary.tail(dictionary,
|
|
BufSupplier.ofOwned(prefixKey),
|
|
keySerializer,
|
|
valueSerializer
|
|
));
|
|
}
|
|
|
|
public int getKeyBinaryLength() {
|
|
return keySerializer.getSerializedBinaryLength();
|
|
}
|
|
}
|