org.apache.hadoop.hive.serde2.io.DoubleWritable Maven / Gradle / Ivy
/*
* 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());
}
}