| /** |
| * 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.hcatalog.data.transfer; |
| |
| import java.io.Externalizable; |
| import java.io.IOException; |
| import java.io.ObjectInput; |
| import java.io.ObjectOutput; |
| |
| import org.apache.hadoop.conf.Configurable; |
| import org.apache.hadoop.conf.Configuration; |
| |
| /** |
| * This contains information obtained at master node to help prepare slave nodes |
| * for writer. This class implements {@link Externalizable} so it can be |
| * serialized using standard java mechanisms. Master should serialize it and |
| * make it available to slaves to prepare for writes. |
| */ |
| public class WriterContext implements Externalizable, Configurable { |
| |
| private static final long serialVersionUID = -5899374262971611840L; |
| private Configuration conf; |
| |
| public WriterContext() { |
| conf = new Configuration(); |
| } |
| |
| @Override |
| public Configuration getConf() { |
| return conf; |
| } |
| |
| @Override |
| public void setConf(final Configuration config) { |
| this.conf = config; |
| } |
| |
| @Override |
| public void writeExternal(ObjectOutput out) throws IOException { |
| conf.write(out); |
| } |
| |
| @Override |
| public void readExternal(ObjectInput in) throws IOException, |
| ClassNotFoundException { |
| conf.readFields(in); |
| } |
| } |