Java tutorial
/** * (C) Copyright IBM Corp. 2010, 2015 * * Licensed 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 com.ibm.bi.dml.runtime.instructions.spark.data; import java.io.Serializable; import org.apache.hadoop.io.LongWritable; /** * Wrapper for LongWritable in order to make it serializable as required for * shuffle in spark instructions. * */ public class SerLongWritable extends LongWritable implements Serializable { private static final long serialVersionUID = -2609889817086784049L; public SerLongWritable(Long in) { super(in.longValue()); } }