org.apache.hadoop.hive.serde2.lazybinary.LazyBinaryInteger 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.
*/
package org.apache.hadoop.hive.serde2.lazybinary;
import org.apache.hadoop.hive.serde2.lazy.ByteArrayRef;
import org.apache.hadoop.hive.serde2.lazybinary.LazyBinaryUtils.VInt;
import org.apache.hadoop.hive.serde2.objectinspector.primitive.WritableIntObjectInspector;
import org.apache.hadoop.io.IntWritable;
/**
* LazyBinaryObject for integer which is serialized as VInt.
*
* @see LazyBinaryUtils#readVInt(byte[], int, VInt)
*/
public class LazyBinaryInteger extends
LazyBinaryPrimitive {
LazyBinaryInteger(WritableIntObjectInspector oi) {
super(oi);
data = new IntWritable();
}
LazyBinaryInteger(LazyBinaryInteger copy) {
super(copy);
data = new IntWritable(copy.data.get());
}
/**
* The reusable vInt for decoding the integer.
*/
VInt vInt = new LazyBinaryUtils.VInt();
@Override
public void init(ByteArrayRef bytes, int start, int length) {
LazyBinaryUtils.readVInt(bytes.getData(), start, vInt);
assert (length == vInt.length);
data.set(vInt.value);
}
}