/*
 * 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.kylin.engine.mr.common;

import org.apache.hadoop.conf.Configuration;

import java.io.IOException;
import java.io.Serializable;

//https://stackoverflow.com/questions/38224132/use-sparkcontext-hadoop-configuration-within-rdd-methods-closures-like-foreachp
public class SerializableConfiguration implements Serializable {
    Configuration conf;

    public SerializableConfiguration(Configuration hadoopConf) {
        this.conf = hadoopConf;
    }

    public SerializableConfiguration() {
        this.conf = new Configuration();
    }

    public Configuration get() {
        return this.conf;
    }

    private void writeObject(java.io.ObjectOutputStream out) throws IOException {
        this.conf.write(out);
    }

    private void readObject(java.io.ObjectInputStream in) throws IOException {
        this.conf = new Configuration();
        this.conf.readFields(in);
    }
}
