| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.hadoop.io; |
| |
| import java.util.Comparator; |
| |
| import org.apache.hadoop.classification.InterfaceAudience; |
| import org.apache.hadoop.classification.InterfaceStability; |
| import org.apache.hadoop.io.serializer.DeserializerComparator; |
| |
| /** |
| * <p> |
| * A {@link Comparator} that operates directly on byte representations of |
| * objects. |
| * </p> |
| * @param <T> |
| * @see DeserializerComparator |
| */ |
| @InterfaceAudience.Public |
| @InterfaceStability.Stable |
| public interface RawComparator<T> extends Comparator<T> { |
| |
| /** |
| * Compare two objects in binary. |
| * b1[s1:l1] is the first object, and b2[s2:l2] is the second object. |
| * |
| * @param b1 The first byte array. |
| * @param s1 The position index in b1. The object under comparison's starting index. |
| * @param l1 The length of the object in b1. |
| * @param b2 The second byte array. |
| * @param s2 The position index in b2. The object under comparison's starting index. |
| * @param l2 The length of the object under comparison in b2. |
| * @return An integer result of the comparison. |
| */ |
| public int compare(byte[] b1, int s1, int l1, byte[] b2, int s2, int l2); |
| |
| } |