| /** |
| * 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.serializer; |
| |
| import java.io.IOException; |
| import java.io.Serializable; |
| |
| import org.apache.hadoop.classification.InterfaceAudience; |
| import org.apache.hadoop.classification.InterfaceStability; |
| import org.apache.hadoop.io.RawComparator; |
| |
| /** |
| * <p> |
| * A {@link RawComparator} that uses a {@link JavaSerialization} |
| * {@link Deserializer} to deserialize objects that are then compared via |
| * their {@link Comparable} interfaces. |
| * </p> |
| * @param <T> |
| * @see JavaSerialization |
| */ |
| @InterfaceAudience.Public |
| @InterfaceStability.Unstable |
| public class JavaSerializationComparator<T extends Serializable&Comparable<T>> |
| extends DeserializerComparator<T> { |
| |
| @InterfaceAudience.Private |
| public JavaSerializationComparator() throws IOException { |
| super(new JavaSerialization.JavaSerializationDeserializer<T>()); |
| } |
| |
| @Override |
| @InterfaceAudience.Private |
| public int compare(T o1, T o2) { |
| return o1.compareTo(o2); |
| } |
| |
| } |