| // 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; |
| |
| /** |
| * <p>A RocksEnv is an interface used by the rocksdb implementation to access |
| * operating system functionality like the filesystem etc.</p> |
| * |
| * <p>All Env implementations are safe for concurrent access from |
| * multiple threads without any external synchronization.</p> |
| */ |
| public class RocksEnv extends Env { |
| |
| /** |
| * <p>Package-private constructor that uses the specified native handle |
| * to construct a RocksEnv.</p> |
| * |
| * <p>Note that the ownership of the input handle |
| * belongs to the caller, and the newly created RocksEnv will not take |
| * the ownership of the input handle. As a result, calling |
| * {@code dispose()} of the created RocksEnv will be no-op.</p> |
| */ |
| RocksEnv(final long handle) { |
| super(handle); |
| disOwnNativeHandle(); |
| } |
| |
| /** |
| * <p>The helper function of {@link #dispose()} which all subclasses of |
| * {@link RocksObject} must implement to release their associated C++ |
| * resource.</p> |
| * |
| * <p><strong>Note:</strong> this class is used to use the default |
| * RocksEnv with RocksJava. The default env allocation is managed |
| * by C++.</p> |
| */ |
| @Override |
| protected final void disposeInternal(final long handle) { |
| } |
| } |
