PageRenderTime 79ms CodeModel.GetById 18ms app.highlight 3ms RepoModel.GetById 1ms app.codeStats 0ms

/tags/release-0.1-rc2/hive/external/serde/src/java/org/apache/hadoop/hive/serde2/lazybinary/LazyBinaryFloat.java

#
Java | 46 lines | 21 code | 5 blank | 20 comment | 1 complexity | 6619f1fff02fb9ae240e0493b34186b1 MD5 | raw file
 1/**
 2 * Licensed to the Apache Software Foundation (ASF) under one
 3 * or more contributor license agreements.  See the NOTICE file
 4 * distributed with this work for additional information
 5 * regarding copyright ownership.  The ASF licenses this file
 6 * to you under the Apache License, Version 2.0 (the
 7 * "License"); you may not use this file except in compliance
 8 * with the License.  You may obtain a copy of the License at
 9 *
10 *     http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 */
18package org.apache.hadoop.hive.serde2.lazybinary;
19
20import org.apache.hadoop.hive.serde2.lazy.ByteArrayRef;
21import org.apache.hadoop.hive.serde2.objectinspector.primitive.WritableFloatObjectInspector;
22import org.apache.hadoop.io.FloatWritable;
23
24/**
25 * LazyBinaryObject for float which takes four bytes.
26 */
27public class LazyBinaryFloat extends
28    LazyBinaryPrimitive<WritableFloatObjectInspector, FloatWritable> {
29
30  LazyBinaryFloat(WritableFloatObjectInspector oi) {
31    super(oi);
32    data = new FloatWritable();
33  }
34
35  LazyBinaryFloat(LazyBinaryFloat copy) {
36    super(copy);
37    data = new FloatWritable(copy.data.get());
38  }
39
40  @Override
41  public void init(ByteArrayRef bytes, int start, int length) {
42    assert (4 == length);
43    data.set(Float.intBitsToFloat(LazyBinaryUtils.byteArrayToInt(bytes
44        .getData(), start)));
45  }
46}