/** * 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. */ /** * This file is back-ported from hadoop-0.19, to make sure hive can run * with hadoop-0.17. */ package org.apache.hadoop.hive.serde2.io; import java.io.DataInput; import java.io.DataOutput; import java.io.IOException; import org.apache.hadoop.io.WritableComparable; import org.apache.hadoop.io.WritableComparator; /** * Writable for Double values. * This class was created before the Hadoop version of this class was available, and needs to * be kept around for backward compatibility of third-party UDFs/SerDes. We should consider * removing this class in favor of directly using the Hadoop one in the next major release. */ public class DoubleWritable extends org.apache.hadoop.io.DoubleWritable { public DoubleWritable() { super(); } public DoubleWritable(double value) { super(value); } static { // register this comparator WritableComparator.define(DoubleWritable.class, new Comparator()); } }