org.apache.hadoop.hive.serde2.lazy.LazyDouble 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.lazy;
import java.nio.charset.CharacterCodingException;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.hive.serde2.io.DoubleWritable;
import org.apache.hadoop.hive.serde2.lazy.objectinspector.primitive.LazyDoubleObjectInspector;
import org.apache.hadoop.io.Text;
/**
* LazyObject for storing a value of Double.
*
*/
public class LazyDouble extends
LazyPrimitive {
private static final Log LOG = LogFactory.getLog(LazyDouble.class);
public LazyDouble(LazyDoubleObjectInspector oi) {
super(oi);
data = new DoubleWritable();
}
public LazyDouble(LazyDouble copy) {
super(copy);
data = new DoubleWritable(copy.data.get());
}
@Override
public void init(ByteArrayRef bytes, int start, int length) {
String byteData = null;
try {
byteData = Text.decode(bytes.getData(), start, length);
data.set(Double.parseDouble(byteData));
isNull = false;
} catch (NumberFormatException e) {
isNull = true;
LOG.debug("Data not in the Double data type range so converted to null. Given data is :"
+ byteData, e);
} catch (CharacterCodingException e) {
isNull = true;
LOG.debug("Data not in the Double data type range so converted to null.", e);
}
}
}