Java tutorial
/** * 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 com.ebay.nest.io.sede.lazy; import java.nio.charset.CharacterCodingException; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.apache.hadoop.io.FloatWritable; import org.apache.hadoop.io.Text; import com.ebay.nest.io.sede.lazy.objectinspector.primitive.LazyFloatObjectInspector; /** * LazyObject for storing a value of Double. * */ public class LazyFloat extends LazyPrimitive<LazyFloatObjectInspector, FloatWritable> { private static final Log LOG = LogFactory.getLog(LazyFloat.class); public LazyFloat(LazyFloatObjectInspector oi) { super(oi); data = new FloatWritable(); } public LazyFloat(LazyFloat copy) { super(copy); data = new FloatWritable(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(Float.parseFloat(byteData)); isNull = false; } catch (NumberFormatException e) { isNull = true; LOG.debug("Data not in the Float data type range so converted to null. Given data is :" + byteData, e); } catch (CharacterCodingException e) { isNull = true; LOG.debug("Data not in the Float data type range so converted to null.", e); } } }