Cascading File copy job

 


package com.cascading;

import cascading.flow.Flow;
import cascading.flow.hadoop.HadoopFlowConnector;
import cascading.pipe.Pipe;
import cascading.property.AppProps;
import cascading.scheme.hadoop.TextLine;
import cascading.tap.SinkMode;
import cascading.tap.Tap;
import cascading.tap.hadoop.Hfs;

import java.util.Properties;

public class HdfsFileCopy {

    public static void main(String[] args) {

        //input and output path
        String inputPath = args[0];
        String outputPath = args[1];

        Properties properties = new Properties();
        AppProps.setApplicationJarClass(properties, HdfsFileCopy.class);
        //input tap[Source]
        Tap inTap = new Hfs(new TextLine(), inputPath);
        //Sink tap
        Tap outTap = new Hfs(new TextLine(), outputPath, SinkMode.REPLACE);
        // Pipe to connect Source and Sink Tap
        Pipe copyPipe = new Pipe("copy");
        HadoopFlowConnector flowConnector = new HadoopFlowConnector(properties);
        Flow flow = flowConnector.connect("File Copy", inTap, outTap, copyPipe);
        flow.complete();
    }
}

Please refer the below GitHub Repo for the code
https://github.com/dkbalachandar/cascading-examples1

Advertisements

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s