Remove Duplicates
Updated: Feb 21, 2022
/* * Copyright (c) 2006-2022 North Concepts Inc. All rights reserved. * Proprietary and Confidential. Use is subject to license terms. * * https://northconcepts.com/data-pipeline/licensing/ */ package com.northconcepts.datapipeline.examples.cookbook; import java.io.File; import com.northconcepts.datapipeline.core.DataReader; import com.northconcepts.datapipeline.core.FieldList; import com.northconcepts.datapipeline.core.RemoveDuplicatesReader; import com.northconcepts.datapipeline.core.StreamWriter; import com.northconcepts.datapipeline.csv.CSVReader; import com.northconcepts.datapipeline.job.Job; public class RemoveDuplicates { public static void main(String[] args) throws Throwable { DataReader reader = new CSVReader(new File("example/data/input/credit-balance-05.csv")) .setFieldNamesInFirstRow(true); // returns records with unique 'Rating-CreditLimit' pairs reader = new RemoveDuplicatesReader( reader, new FieldList("Rating", "CreditLimit") ); Job.run(reader, new StreamWriter(System.out)); } }