org.rocksdb.TransactionalDB Maven / Gradle / Ivy

Go to download

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

RocksDB fat jar that contains .so files for linux32 and linux64 (glibc and musl-libc), 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;


interface TransactionalDB
    extends AutoCloseable {

  /**
   * Starts a new Transaction.
   *
   * Caller is responsible for calling {@link #close()} on the returned
   * transaction when it is no longer needed.
   *
   * @param writeOptions Any write options for the transaction
   * @return a new transaction
   */
  Transaction beginTransaction(final WriteOptions writeOptions);

  /**
   * Starts a new Transaction.
   *
   * Caller is responsible for calling {@link #close()} on the returned
   * transaction when it is no longer needed.
   *
   * @param writeOptions Any write options for the transaction
   * @param transactionOptions Any options for the transaction
   * @return a new transaction
   */
  Transaction beginTransaction(final WriteOptions writeOptions,
      final T transactionOptions);

  /**
   * Starts a new Transaction.
   *
   * Caller is responsible for calling {@link #close()} on the returned
   * transaction when it is no longer needed.
   *
   * @param writeOptions Any write options for the transaction
   * @param oldTransaction this Transaction will be reused instead of allocating
   *     a new one. This is an optimization to avoid extra allocations
   *     when repeatedly creating transactions.
   * @return The oldTransaction which has been reinitialized as a new
   *     transaction
   */
  Transaction beginTransaction(final WriteOptions writeOptions,
      final Transaction oldTransaction);

  /**
   * Starts a new Transaction.
   *
   * Caller is responsible for calling {@link #close()} on the returned
   * transaction when it is no longer needed.
   *
   * @param writeOptions Any write options for the transaction
   * @param transactionOptions Any options for the transaction
   * @param oldTransaction this Transaction will be reused instead of allocating
   *     a new one. This is an optimization to avoid extra allocations
   *     when repeatedly creating transactions.
   * @return The oldTransaction which has been reinitialized as a new
   *     transaction
   */
  Transaction beginTransaction(final WriteOptions writeOptions,
      final T transactionOptions, final Transaction oldTransaction);
}