| // 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; |
| |
| /** |
| * Base class for comparators which will receive |
| * byte[] based access via org.rocksdb.Slice in their |
| * compare method implementation. |
| * |
| * byte[] based slices perform better when small keys |
| * are involved. When using larger keys consider |
| * using @see org.rocksdb.DirectComparator |
| */ |
| public abstract class Comparator extends AbstractComparator<Slice> { |
| |
| private final long nativeHandle_; |
| |
| public Comparator(final ComparatorOptions copt) { |
| super(); |
| this.nativeHandle_ = createNewComparator0(copt.nativeHandle_); |
| } |
| |
| @Override |
| protected final long getNativeHandle() { |
| return nativeHandle_; |
| } |
| |
| private native long createNewComparator0(final long comparatorOptionsHandle); |
| } |