| /* |
| * 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.flink.formats.sequencefile; |
| |
| import org.apache.hadoop.conf.Configuration; |
| |
| import java.io.IOException; |
| import java.io.ObjectInputStream; |
| import java.io.ObjectOutputStream; |
| import java.io.Serializable; |
| |
| /** Wrapper class for serialization of {@link Configuration}. */ |
| class SerializableHadoopConfiguration implements Serializable { |
| |
| private static final long serialVersionUID = 1L; |
| |
| private transient Configuration hadoopConfig; |
| |
| SerializableHadoopConfiguration(Configuration hadoopConfig) { |
| this.hadoopConfig = hadoopConfig; |
| } |
| |
| Configuration get() { |
| return this.hadoopConfig; |
| } |
| |
| // -------------------- |
| private void writeObject(ObjectOutputStream out) throws IOException { |
| this.hadoopConfig.write(out); |
| } |
| |
| private void readObject(ObjectInputStream in) throws IOException { |
| final Configuration config = new Configuration(); |
| config.readFields(in); |
| |
| if (this.hadoopConfig == null) { |
| this.hadoopConfig = config; |
| } |
| } |
| } |