org.rocksdb.LiveFileMetaData 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;
/**
* The full set of metadata associated with each SST file.
*/
public class LiveFileMetaData extends SstFileMetaData {
private final byte[] columnFamilyName;
private final int level;
/**
* Called from JNI C++
*/
private LiveFileMetaData(
final byte[] columnFamilyName,
final int level,
final String fileName,
final String path,
final long size,
final long smallestSeqno,
final long largestSeqno,
final byte[] smallestKey,
final byte[] largestKey,
final long numReadsSampled,
final boolean beingCompacted,
final long numEntries,
final long numDeletions) {
super(fileName, path, size, smallestSeqno, largestSeqno, smallestKey,
largestKey, numReadsSampled, beingCompacted, numEntries, numDeletions);
this.columnFamilyName = columnFamilyName;
this.level = level;
}
/**
* Get the name of the column family.
*
* @return the name of the column family
*/
public byte[] columnFamilyName() {
return columnFamilyName;
}
/**
* Get the level at which this file resides.
*
* @return the level at which the file resides.
*/
public int level() {
return level;
}
}