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A dead simple RocksDB Java wrapper
/*
* Copyright 2020, 2023 Stefan Zobel
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.schwefel.kv;
import java.util.Map;
public interface StoreOps extends BasicOps, AutoCloseable {
void close();
void put(Kind kind, byte[] key, byte[] value);
void putIfAbsent(Kind kind, byte[] key, byte[] value);
byte[] get(Kind kind, byte[] key);
void delete(Kind kind, byte[] key);
byte[] deleteIfPresent(Kind kind, byte[] key);
byte[] updateIfPresent(Kind kind, byte[] key, byte[] value);
void singleDelete(Kind kind, byte[] key);
byte[] singleDeleteIfPresent(Kind kind, byte[] key);
Batch createBatch();
void writeBatch(Batch batch);
ForEachKeyValue scanAll(Kind kind);
ForEachKeyValue scanAll(Kind kind, byte[] beginKey);
ForEachKeyValue scanRange(Kind kind, byte[] beginKey, byte[] endKey);
byte[] findMinKey(Kind kind);
byte[] findMinKeyByPrefix(Kind kind, byte[] keyPrefix);
byte[] findMinKeyByLowerBound(Kind kind, byte[] lowerBound);
byte[] findMinKeyGreaterThan(Kind kind, byte[] keyPrefix, byte[] lowerBound);
byte[] findMaxKey(Kind kind);
byte[] findMaxKeyByPrefix(Kind kind, byte[] keyPrefix);
byte[] findMaxKeyByUpperBound(Kind kind, byte[] upperBound);
byte[] findMaxKeyLessThan(Kind kind, byte[] keyPrefix, byte[] upperBound);
Tx startTx();
void syncWAL();
boolean isOpen();
void flush();
void flushNoWait();
KindManagement getKindManagement();
Stats getStats();
Map> getRocksDBStats();
Map getTrackedSstFiles();
}
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