Write to MongoDB
Updated: Aug 28, 2026
package com.northconcepts.datapipeline.examples.cookbook;
import java.io.File;
import com.northconcepts.datapipeline.core.DataReader;
import com.northconcepts.datapipeline.core.DataWriter;
import com.northconcepts.datapipeline.csv.CSVReader;
import com.northconcepts.datapipeline.job.Job;
import com.northconcepts.datapipeline.mongodb.MongoWriter;
public class WriteToMongoDb {
public static void main(String[] args) {
String database = "datapipeline";
String collection = "clients";
DataReader reader = new CSVReader(new File("example/data/input/credit-balance-01.csv"))
.setFieldNamesInFirstRow(true);
DataWriter writer = new MongoWriter(database, collection);
Job.run(reader, writer);
}
/* CSV input
Account,LastName,FirstName,Balance,CreditLimit,AccountCreated,Rating
101,Reeves,Keanu,9315.45,10000.00,1/17/1998,A
312,Butler,Gerard,90.00,1000.00,8/6/2003,B
868,Hewitt,Jennifer Love,0,17000.00,5/25/1985,B
761,Pinkett-Smith,Jada,49654.87,100000.00,12/5/2006,A
317,Murray,Bill,789.65,5000.00,2/5/2007,C
*/
/* to check MongoDb server, run the mongo shell
> use datapipeline
switched to db datapipeline
> db.clients.find()
{ "_id" : ObjectId("57026fef8dbd7a08b4846d84"), "Account" : "101", "LastName" :
"Reeves", "FirstName" : "Keanu", "Balance" : "9315.45", "CreditLimit" : "10000.0
0", "AccountCreated" : "1/17/1998", "Rating" : "A" }
{ "_id" : ObjectId("57026fef8dbd7a08b4846d85"), "Account" : "312", "LastName" :
"Butler", "FirstName" : "Gerard", "Balance" : "90.00", "CreditLimit" : "1000.00"
, "AccountCreated" : "8/6/2003", "Rating" : "B" }
{ "_id" : ObjectId("57026fef8dbd7a08b4846d86"), "Account" : "868", "LastName" :
"Hewitt", "FirstName" : "Jennifer Love", "Balance" : "0", "CreditLimit" : "17000
.00", "AccountCreated" : "5/25/1985", "Rating" : "B" }
{ "_id" : ObjectId("57026fef8dbd7a08b4846d87"), "Account" : "761", "LastName" :
"Pinkett-Smith", "FirstName" : "Jada", "Balance" : "49654.87", "CreditLimit" : "
100000.00", "AccountCreated" : "12/5/2006", "Rating" : "A" }
{ "_id" : ObjectId("57026fef8dbd7a08b4846d88"), "Account" : "317", "LastName" :
"Murray", "FirstName" : "Bill", "Balance" : "789.65", "CreditLimit" : "5000.00",
"AccountCreated" : "2/5/2007", "Rating" : "C" }
>
*/
}
