public void configure(JobConf conf) {
try {
Path vInput;
FileSystem fs;
URI[] fvector;
nsize = conf.getInt("DIMENTION", 0);
sumVec = new double[nsize];
resVec = new double[nsize];
diaVec = new double[nsize];
Arrays.fill(sumVec, 0);
Arrays.fill(resVec, 0);
Arrays.fill(diaVec, 0);
fvector = DistributedCache.getCacheFiles(conf);
vInput = new Path(fvector[0].getPath());
fs = FileSystem.get(URI.create("hdfs://node17.cs.rochester.edu:9000"), conf);
FSDataInputStream fdis = fs.open(vInput);
String line;
while ((line = fdis.readLine()) != null) {
StringTokenizer tokenizer = new StringTokenizer(line);
int rowIdx = Integer.parseInt(tokenizer.nextToken());
int colIdx = Integer.parseInt(tokenizer.nextToken());
double matVar = Double.parseDouble(tokenizer.nextToken());
if (rowIdx == colIdx) {
diaVec[rowIdx] = matVar;
} else if (colIdx == nsize) {
resVec[rowIdx] = matVar;
} else {
sumVec[rowIdx] += matVar;
}
}
} catch (IOException e) {
e.printStackTrace();
}
}
