Example usage for org.apache.hadoop.io Text toString

Introduction

In this page you can find the example usage for org.apache.hadoop.io Text toString.

Prototype

@Override
public String toString()

Source Link

Document

Convert text back to string

Usage

From source file:Assignment1_Wordcount.WordCount_Mapper.java

public void map(Object key, Text value, Context context) throws IOException, InterruptedException {
    StringTokenizer itr = new StringTokenizer(value.toString());
    System.out.println("Content on line " + key.toString() + " :- " + value.toString());
    while (itr.hasMoreTokens()) {
        word.set(itr.nextToken());/*w  w  w .  j  a va2 s.  c  om*/
        context.write(word, one);
    }
}

From source file:Assignment2_P2_StockExchangeCount.StockPrice_Mapper.java

public void map(Object key, Text value, Context context) throws IOException, InterruptedException {
    //System.out.println("Content on line " + key.toString() + " :- " + value.toString() );

    String[] stockInfo = value.toString().split(",");
    //System.out.println("String is split now ");

    if (!stockInfo[1].trim().equals("stock_symbol")) {
        Text stockName = new Text(stockInfo[1]);
        //System.out.println("Stockname extracted " + stockName.toString());

        FloatWritable highestPrice = new FloatWritable(Float.parseFloat(stockInfo[4]));
        //System.out.println("So is the price " + highestPrice);

        context.write(stockName, highestPrice);
    }/*from w  ww . jav a  2  s  . c  o m*/
}

From source file:Assignment2_P3_GenderMovieCount.GenderMovieRating_Mapper.java

public void map(Object key, Text value, Context context) throws IOException, InterruptedException {
    //System.out.println("Content on line " + key.toString() + " :- " + value.toString() );

    String[] userInfo = value.toString().split("::");
    //System.out.println("String is split now ");

    gender = new Text(userInfo[1]);
    //System.out.println("MovieId extracted " + movieID.toString());

    context.write(gender, one);// w  w  w .  j  a v  a2 s .  c  o m
}

From source file:Assignment2_P4_MovieRatingCount.MovieRating_Mapper.java

public void map(Object key, Text value, Context context) throws IOException, InterruptedException {
    //System.out.println("Content on line " + key.toString() + " :- " + value.toString() );

    String[] movieInfo = value.toString().split("::");
    //System.out.println("String is split now ");

    if (!movieInfo[1].trim().toLowerCase().equals("movieid")) {
        movieID = new IntWritable(Integer.parseInt(movieInfo[1]));
        //System.out.println("MovieId extracted " + movieID.toString());

        context.write(movieID, one);/*w ww  .j a v  a  2s .  com*/
    }
}

From source file:Assignment2_P5_IPAddressCount.IPAddress_Mapper.java

public void map(Object key, Text value, Context context) throws IOException, InterruptedException {
    //System.out.println("Content on line " + key.toString() + " :- " + value.toString() );

    String[] ipInfo = value.toString().split("-");
    //System.out.println("String is split now ");

    ipaddr = new Text(ipInfo[0].trim());
    //System.out.println("MovieId extracted " + movieID.toString());

    context.write(ipaddr, one);//  ww  w.j av  a2s .  c o  m
}

From source file:Assignment3_P4_DateStock.DateStock_Mapper.java

public void map(Object key, Text value, Context context) throws IOException, InterruptedException {
    String[] stockInfo = value.toString().split(",");

    if (!stockInfo[1].trim().equals("stock_symbol")) {
        try {//from  w ww  . j a  v a2s  .  co m
            Text stockName = new Text(stockInfo[1]);
            DateStock_CompositeValueWritable dcvw = new DateStock_CompositeValueWritable(stockInfo[2],
                    stockInfo[7], stockInfo[8]);
            context.write(stockName, dcvw);
        } catch (IOException | InterruptedException ex) {
            Logger.getLogger(DateStock_Mapper.class.getName()).log(Level.SEVERE, null, ex);
        }
    }
}

From source file:Assignment3_P5_Top25Movies.Top25MovieRating_Mapper.java

public void map(Object key, Text value, Context context) throws IOException, InterruptedException {
    String[] movieInfo = value.toString().split("::");

    if (!movieInfo[1].trim().toLowerCase().equals("movieid")) {
        movieID = new IntWritable(Integer.parseInt(movieInfo[1]));
        rating = new FloatWritable(Float.parseFloat(movieInfo[2]));
        //System.out.println("MovieId extracted " + movieID.toString());

        context.write(movieID, rating);//from   w  ww.  ja v a2 s .  com
    }
}

From source file:Assignment3_P5_Top25Movies.Top25MovieRating_Mapper1.java

public void map(Object key, Text value, Context context) throws IOException, InterruptedException {
    String[] movieInfo = value.toString().split("\t");

    movieID = new IntWritable(Integer.parseInt(movieInfo[0]));
    rating = new FloatWritable(Float.parseFloat(movieInfo[1]));

    context.write(rating, movieID);//  ww w .  j  a va2s .  com
}

From source file:Assignment4_P2_StockAverageWithCombiner.StockAverage_Mapper.java

public void map(Object key, Text value, Context context) throws IOException, InterruptedException {
    String[] stockInfo = value.toString().split(",");

    if (!stockInfo[1].trim().equals("stock_symbol")) {
        String[] dateParts = stockInfo[2].split("-");
        Text year = new Text(dateParts[0]);

        stockPriceAdjCompositeObj.setCount(1);
        stockPriceAdjCompositeObj.setAverage(stockInfo[8]);

        context.write(year, stockPriceAdjCompositeObj);
    }/*  w w w  .j a va  2 s  .co m*/
}

From source file:Assignment4_P3_InMemoryStdDeviation.MovieRatingStdDev_Mapper.java

public void map(Object key, Text value, Context context) throws IOException, InterruptedException {
    String[] movieInfo = value.toString().split("::");

    if (!movieInfo[1].trim().toLowerCase().equals("movieid")) {
        movieID = new IntWritable(Integer.parseInt(movieInfo[1]));
        rating = new FloatWritable(Float.parseFloat(movieInfo[2]));

        context.write(movieID, rating);//from ww w.  j a v a 2s.com
    }
}