public class SumWorker extends ml.shifu.guagua.worker.AbstractWorkerComputable<GuaguaWritableAdapter<org.apache.hadoop.io.LongWritable>,GuaguaWritableAdapter<org.apache.hadoop.io.LongWritable>,GuaguaWritableAdapter<org.apache.hadoop.io.LongWritable>,GuaguaWritableAdapter<org.apache.hadoop.io.Text>>
SumWorker is used to compute the sum value for each line.
Each line of input should be numbers.
The master sum value will be added to current iteration.
| Constructor and Description |
|---|
SumWorker() |
| Modifier and Type | Method and Description |
|---|---|
GuaguaWritableAdapter<org.apache.hadoop.io.LongWritable> |
doCompute(ml.shifu.guagua.worker.WorkerContext<GuaguaWritableAdapter<org.apache.hadoop.io.LongWritable>,GuaguaWritableAdapter<org.apache.hadoop.io.LongWritable>> workerContext) |
void |
init(ml.shifu.guagua.worker.WorkerContext<GuaguaWritableAdapter<org.apache.hadoop.io.LongWritable>,GuaguaWritableAdapter<org.apache.hadoop.io.LongWritable>> workerContext) |
void |
initRecordReader(ml.shifu.guagua.io.GuaguaFileSplit fileSplit) |
void |
load(GuaguaWritableAdapter<org.apache.hadoop.io.LongWritable> currentKey,
GuaguaWritableAdapter<org.apache.hadoop.io.Text> currentValue,
ml.shifu.guagua.worker.WorkerContext<GuaguaWritableAdapter<org.apache.hadoop.io.LongWritable>,GuaguaWritableAdapter<org.apache.hadoop.io.LongWritable>> workerContext) |
public void init(ml.shifu.guagua.worker.WorkerContext<GuaguaWritableAdapter<org.apache.hadoop.io.LongWritable>,GuaguaWritableAdapter<org.apache.hadoop.io.LongWritable>> workerContext)
init in class ml.shifu.guagua.worker.AbstractWorkerComputable<GuaguaWritableAdapter<org.apache.hadoop.io.LongWritable>,GuaguaWritableAdapter<org.apache.hadoop.io.LongWritable>,GuaguaWritableAdapter<org.apache.hadoop.io.LongWritable>,GuaguaWritableAdapter<org.apache.hadoop.io.Text>>public GuaguaWritableAdapter<org.apache.hadoop.io.LongWritable> doCompute(ml.shifu.guagua.worker.WorkerContext<GuaguaWritableAdapter<org.apache.hadoop.io.LongWritable>,GuaguaWritableAdapter<org.apache.hadoop.io.LongWritable>> workerContext)
doCompute in class ml.shifu.guagua.worker.AbstractWorkerComputable<GuaguaWritableAdapter<org.apache.hadoop.io.LongWritable>,GuaguaWritableAdapter<org.apache.hadoop.io.LongWritable>,GuaguaWritableAdapter<org.apache.hadoop.io.LongWritable>,GuaguaWritableAdapter<org.apache.hadoop.io.Text>>public void load(GuaguaWritableAdapter<org.apache.hadoop.io.LongWritable> currentKey, GuaguaWritableAdapter<org.apache.hadoop.io.Text> currentValue, ml.shifu.guagua.worker.WorkerContext<GuaguaWritableAdapter<org.apache.hadoop.io.LongWritable>,GuaguaWritableAdapter<org.apache.hadoop.io.LongWritable>> workerContext)
load in class ml.shifu.guagua.worker.AbstractWorkerComputable<GuaguaWritableAdapter<org.apache.hadoop.io.LongWritable>,GuaguaWritableAdapter<org.apache.hadoop.io.LongWritable>,GuaguaWritableAdapter<org.apache.hadoop.io.LongWritable>,GuaguaWritableAdapter<org.apache.hadoop.io.Text>>public void initRecordReader(ml.shifu.guagua.io.GuaguaFileSplit fileSplit)
throws IOException
initRecordReader in class ml.shifu.guagua.worker.AbstractWorkerComputable<GuaguaWritableAdapter<org.apache.hadoop.io.LongWritable>,GuaguaWritableAdapter<org.apache.hadoop.io.LongWritable>,GuaguaWritableAdapter<org.apache.hadoop.io.LongWritable>,GuaguaWritableAdapter<org.apache.hadoop.io.Text>>IOExceptionCopyright © 2015. All Rights Reserved.