C E M R W

C

CounterReduce - Class in edu.purdue.cs.eblanton

CounterReduce implements a reduction which accepts any WritableComparable object and a vector of IntWritable occurrence counts, and sums these counts.

CounterReduce() - Constructor for class edu.purdue.cs.eblanton.CounterReduce

E

edu.purdue.cs.eblanton - package edu.purdue.cs.eblanton

M

main(String[]) - Static method in class edu.purdue.cs.eblanton.WordCount

Performs the WordCount map/reduce operation.

map(WritableComparable, Text, OutputCollector<Text, IntWritable>, Reporter) - Method in class edu.purdue.cs.eblanton.WordMap

Implements the WordMap map operation.

R

reduce(WritableComparable, Iterator<IntWritable>, OutputCollector<WritableComparable, IntWritable>, Reporter) - Method in class edu.purdue.cs.eblanton.CounterReduce

Implements the CounterReduce reduction operation.

W

WordCount - Class in edu.purdue.cs.eblanton

Main execution class for a Hadoop map/reduce operation which counts occurrences of every unique whitespace-separated word in the files from a specified input directory, and writes this output to a specified output directory.

WordCount() - Constructor for class edu.purdue.cs.eblanton.WordCount

WordMap - Class in edu.purdue.cs.eblanton

WordMap implements a map operation which takes a WritableComparable and a Text object representing a line of text, and outputs a <Text, IntWritable> tuple for each word in that line of text with the IntWritable having a value of 1.

WordMap() - Constructor for class edu.purdue.cs.eblanton.WordMap

C E M R W