Example usage for org.apache.hadoop.mapreduce TaskAttemptContext getWorkingDirectory

Introduction

In this page you can find the example usage for org.apache.hadoop.mapreduce TaskAttemptContext getWorkingDirectory.

Prototype

public Path getWorkingDirectory() throws IOException;

Source Link

Document

Get the current working directory for the default file system.

Usage

From source file:com.bigdata.mapreduce.seqtotext.beta.ZipFileRecordReader.java

License:Apache License

/**
 * Initialise and open the ZIP file from the FileSystem
 *//*w  ww.  j a  va2 s .c om*/
@Override
public void initialize(InputSplit inputSplit, TaskAttemptContext taskAttemptContext)
        throws IOException, InterruptedException {
    //      Configuration conf = new Configuration();
    //      conf.set("fs.defaultFS", "hdfs://training.musigma.com:8020/user/musigma/");
    FileSplit split = (FileSplit) inputSplit;
    System.out.println("the task attempt instance is : " + taskAttemptContext.getJobName());
    System.out.println("the task attempt instance is : " + taskAttemptContext.getWorkingDirectory().toString());
    Configuration conf = taskAttemptContext.getConfiguration();
    Path path = split.getPath();
    FileSystem fs = path.getFileSystem(conf);
    System.out.println("file system replication : " + fs.getDefaultReplication());
    // Open the stream
    fsin = fs.open(path);
    // zip = new ZipInputStream(fsin);
    tar = new TarInputStream(fsin);
    System.out.println("tar input stream is : " + tar.toString());
}

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