org.rocksdb.CompactionOptionsFIFO Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of frocksdbjni Show documentation

RocksDB fat jar to use with Apache Flink that contains .so files for linux32 and linux64, jnilib files for Mac OSX, and a .dll for Windows x64.

The newest version!

// 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;

/**
 * Options for FIFO Compaction
 */
public class CompactionOptionsFIFO extends RocksObject {

  public CompactionOptionsFIFO() {
    super(newCompactionOptionsFIFO());
  }

  /**
   * Once the total sum of table files reaches this, we will delete the oldest
   * table file
   *
   * Default: 1GB
   *
   * @param maxTableFilesSize The maximum size of the table files
   *
   * @return the reference to the current options.
   */
  public CompactionOptionsFIFO setMaxTableFilesSize(
      final long maxTableFilesSize) {
    setMaxTableFilesSize(nativeHandle_, maxTableFilesSize);
    return this;
  }

  /**
   * Once the total sum of table files reaches this, we will delete the oldest
   * table file
   *
   * Default: 1GB
   *
   * @return max table file size in bytes
   */
  public long maxTableFilesSize() {
    return maxTableFilesSize(nativeHandle_);
  }

  private native void setMaxTableFilesSize(long handle, long maxTableFilesSize);
  private native long maxTableFilesSize(long handle);

  private native static long newCompactionOptionsFIFO();
  @Override protected final native void disposeInternal(final long handle);
}