org.pentaho.hadoop.mapreduce.converter.converters.LongWritableToTextConverter.java Source code

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/*******************************************************************************
 *
 * Pentaho Big Data
 *
 * Copyright (C) 2002-2017 by Hitachi Vantara : 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,
 * 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.pentaho.hadoop.mapreduce.converter.converters;

import org.apache.hadoop.io.LongWritable;
import org.apache.hadoop.io.Text;
import org.pentaho.di.core.row.ValueMetaInterface;
import org.pentaho.hadoop.mapreduce.converter.TypeConversionException;
import org.pentaho.hadoop.mapreduce.converter.spi.ITypeConverter;

/**
 * Converts {@link LongWritable} objects to {@link Text} objects
 */
public class LongWritableToTextConverter implements ITypeConverter<LongWritable, Text> {
    @Override
    public boolean canConvert(Class from, Class to) {
        return LongWritable.class.equals(from) && Text.class.equals(to);
    }

    @Override
    public Text convert(ValueMetaInterface meta, LongWritable obj) throws TypeConversionException {
        Text result = new Text();
        result.set(String.valueOf(obj.get()));
        return result;
    }
}