| /** |
| * 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 org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.io.DataInputBuffer; |
| import org.apache.hadoop.io.DataOutputBuffer; |
| import org.apache.hadoop.util.GenericsUtil; |
| |
| public class SerializationTestUtil { |
| |
| /** |
| * A utility that tests serialization/deserialization. |
| * @param conf configuration to use, "io.serializations" is read to |
| * determine the serialization |
| * @param <K> the class of the item |
| * @param before item to (de)serialize |
| * @return deserialized item |
| */ |
| public static <K> K testSerialization(Configuration conf, K before) |
| throws Exception { |
| |
| SerializationFactory factory = new SerializationFactory(conf); |
| Serializer<K> serializer |
| = factory.getSerializer(GenericsUtil.getClass(before)); |
| Deserializer<K> deserializer |
| = factory.getDeserializer(GenericsUtil.getClass(before)); |
| |
| DataOutputBuffer out = new DataOutputBuffer(); |
| serializer.open(out); |
| serializer.serialize(before); |
| serializer.close(); |
| |
| DataInputBuffer in = new DataInputBuffer(); |
| in.reset(out.getData(), out.getLength()); |
| deserializer.open(in); |
| K after = deserializer.deserialize(null); |
| deserializer.close(); |
| return after; |
| } |
| |
| } |