/*******************************************************************************
*
* Pentaho Big Data
*
* Copyright (C) 2002-2015 by Pentaho : http://www.pentaho.com
*
*******************************************************************************
*
* Licensed 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,
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package org.pentaho.hadoop.mapreduce.converter.converters;
import org.apache.hadoop.io.DoubleWritable;
import org.pentaho.di.core.row.ValueMetaInterface;
import org.pentaho.hadoop.mapreduce.converter.TypeConversionException;
import org.pentaho.hadoop.mapreduce.converter.spi.ITypeConverter;
/**
* Converts {@link org.apache.hadoop.io.DoubleWritable} objects to {@link Long} objects
*/
public class DoubleWritableToLongConverter implements ITypeConverter<DoubleWritable, Long> {
@Override
public boolean canConvert( Class from, Class to ) {
return DoubleWritable.class.equals( from ) && Long.class.equals( to );
}
@Override
public Long convert( ValueMetaInterface meta, DoubleWritable obj ) throws TypeConversionException {
return Long.valueOf( (long) obj.get() );
}
}