org.rocksdb.IndexType Maven / Gradle / Ivy
// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
// This source code is licensed under both the GPLv2 (found in the
// COPYING file in the root directory) and Apache 2.0 License
// (found in the LICENSE.Apache file in the root directory).
package org.rocksdb;
/**
* IndexType used in conjunction with BlockBasedTable.
*/
public enum IndexType {
/**
* A space efficient index block that is optimized for
* binary-search-based index.
*/
kBinarySearch((byte) 0),
/**
* The hash index, if enabled, will do the hash lookup when
* {@code Options.prefix_extractor} is provided.
*/
kHashSearch((byte) 1),
/**
* A two-level index implementation. Both levels are binary search indexes.
*/
kTwoLevelIndexSearch((byte) 2);
/**
* Returns the byte value of the enumerations value
*
* @return byte representation
*/
public byte getValue() {
return value_;
}
private IndexType(byte value) {
value_ = value;
}
private final byte value_;
}