106 lines
3.3 KiB
Java
106 lines
3.3 KiB
Java
package it.cavallium.dbengine.database;
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import io.netty5.buffer.api.Buffer;
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import io.netty5.buffer.api.BufferAllocator;
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import io.netty5.util.Send;
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import it.cavallium.dbengine.client.BadBlock;
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import it.cavallium.dbengine.database.disk.BinarySerializationFunction;
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import it.cavallium.dbengine.database.serialization.KVSerializationFunction;
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import it.cavallium.dbengine.database.serialization.SerializationFunction;
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import java.util.List;
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import java.util.Optional;
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import java.util.function.Function;
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import org.jetbrains.annotations.Nullable;
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import reactor.core.publisher.Flux;
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import reactor.core.publisher.Mono;
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@SuppressWarnings("unused")
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public interface LLDictionary extends LLKeyValueDatabaseStructure {
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String getColumnName();
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BufferAllocator getAllocator();
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Mono<Buffer> get(@Nullable LLSnapshot snapshot, Mono<Buffer> key);
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Mono<Buffer> put(Mono<Buffer> key, Mono<Buffer> value, LLDictionaryResultType resultType);
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Mono<UpdateMode> getUpdateMode();
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default Mono<Buffer> update(Mono<Buffer> key,
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BinarySerializationFunction updater,
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UpdateReturnMode updateReturnMode) {
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return this
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.updateAndGetDelta(key, updater)
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.transform(prev -> LLUtils.resolveLLDelta(prev, updateReturnMode));
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}
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Mono<LLDelta> updateAndGetDelta(Mono<Buffer> key, BinarySerializationFunction updater);
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Mono<Void> clear();
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Mono<Buffer> remove(Mono<Buffer> key, LLDictionaryResultType resultType);
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Flux<OptionalBuf> getMulti(@Nullable LLSnapshot snapshot, Flux<Buffer> keys);
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Mono<Void> putMulti(Flux<LLEntry> entries);
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<K> Flux<Boolean> updateMulti(Flux<K> keys, Flux<Buffer> serializedKeys,
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KVSerializationFunction<K, @Nullable Buffer, @Nullable Buffer> updateFunction);
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Flux<LLEntry> getRange(@Nullable LLSnapshot snapshot,
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Mono<LLRange> range,
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boolean reverse,
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boolean smallRange);
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Flux<List<LLEntry>> getRangeGrouped(@Nullable LLSnapshot snapshot,
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Mono<LLRange> range,
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int prefixLength,
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boolean smallRange);
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Flux<Buffer> getRangeKeys(@Nullable LLSnapshot snapshot,
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Mono<LLRange> range,
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boolean reverse,
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boolean smallRange);
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Flux<List<Buffer>> getRangeKeysGrouped(@Nullable LLSnapshot snapshot,
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Mono<LLRange> range,
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int prefixLength,
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boolean smallRange);
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Flux<Buffer> getRangeKeyPrefixes(@Nullable LLSnapshot snapshot,
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Mono<LLRange> range,
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int prefixLength,
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boolean smallRange);
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Flux<BadBlock> badBlocks(Mono<LLRange> range);
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Mono<Void> setRange(Mono<LLRange> range, Flux<LLEntry> entries, boolean smallRange);
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default Mono<Void> replaceRange(Mono<LLRange> range,
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boolean canKeysChange,
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Function<LLEntry, Mono<LLEntry>> entriesReplacer,
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boolean smallRange) {
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return Mono.defer(() -> {
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if (canKeysChange) {
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return this
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.setRange(range, this
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.getRange(null, range, false, smallRange)
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.flatMap(entriesReplacer), smallRange);
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} else {
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return this.putMulti(this.getRange(null, range, false, smallRange).flatMap(entriesReplacer));
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}
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});
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}
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Mono<Boolean> isRangeEmpty(@Nullable LLSnapshot snapshot, Mono<LLRange> range, boolean fillCache);
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Mono<Long> sizeRange(@Nullable LLSnapshot snapshot, Mono<LLRange> range, boolean fast);
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Mono<LLEntry> getOne(@Nullable LLSnapshot snapshot, Mono<LLRange> range);
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Mono<Buffer> getOneKey(@Nullable LLSnapshot snapshot, Mono<LLRange> range);
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Mono<LLEntry> removeOne(Mono<LLRange> range);
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}
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