ceph/src/rocksdb/java/src/main/java/org/rocksdb/LiveFileMetaData.java

   1 // Copyright (c) 2011-present, Facebook, Inc.  All rights reserved.
   2 //  This source code is licensed under both the GPLv2 (found in the
   3 //  COPYING file in the root directory) and Apache 2.0 License
   4 //  (found in the LICENSE.Apache file in the root directory).
   5
   6 package org.rocksdb;
   7
   8 /**
   9  * The full set of metadata associated with each SST file.
  10  */
  11 public class LiveFileMetaData extends SstFileMetaData {
  12   private final byte[] columnFamilyName;
  13   private final int level;
  14
  15   /**
  16    * Called from JNI C++
  17    */
  18   private LiveFileMetaData(
  19       final byte[] columnFamilyName,
  20       final int level,
  21       final String fileName,
  22       final String path,
  23       final long size,
  24       final long smallestSeqno,
  25       final long largestSeqno,
  26       final byte[] smallestKey,
  27       final byte[] largestKey,
  28       final long numReadsSampled,
  29       final boolean beingCompacted,
  30       final long numEntries,
  31       final long numDeletions) {
  32     super(fileName, path, size, smallestSeqno, largestSeqno, smallestKey,
  33         largestKey, numReadsSampled, beingCompacted, numEntries, numDeletions);
  34     this.columnFamilyName = columnFamilyName;
  35     this.level = level;
  36   }
  37
  38   /**
  39    * Get the name of the column family.
  40    *
  41    * @return the name of the column family
  42    */
  43   public byte[] columnFamilyName() {
  44     return columnFamilyName;
  45   }
  46
  47   /**
  48    * Get the level at which this file resides.
  49    *
  50    * @return the level at which the file resides.
  51    */
  52   public int level() {
  53     return level;
  54   }
  55 }