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[Minor][DOC] Fix nits in JavaStreamingTestExample #11821

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[Minor][DOC] Fix nits in JavaStreamingTestExample #11821

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dcce428
create je_fix
zhengruifeng Mar 18, 2016
09ad928
del throws
zhengruifeng Mar 18, 2016
9a16f30
del space
zhengruifeng Mar 18, 2016
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20 changes: 11 additions & 9 deletions examples/src/main/java/org/apache/spark/examples/mllib/JavaStreamingTestExample.java
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Original file line number Diff line number Diff line change
Expand Up @@ -56,6 +56,9 @@
* batches processed exceeds `numBatchesTimeout`.
*/
public class JavaStreamingTestExample {

private static int timeoutCounter = 0;

public static void main(String[] args) {
if (args.length != 3) {
System.err.println("Usage: JavaStreamingTestExample " +
Expand All @@ -76,7 +79,7 @@ public static void main(String[] args) {
JavaDStream<BinarySample> data = ssc.textFileStream(dataDir).map(
new Function<String, BinarySample>() {
@Override
public BinarySample call(String line) throws Exception {
public BinarySample call(String line) {
String[] ts = line.split(",");
boolean label = Boolean.valueOf(ts[0]);
double value = Double.valueOf(ts[1]);
Expand All @@ -94,22 +97,21 @@ public BinarySample call(String line) throws Exception {
// $example off$

// Stop processing if test becomes significant or we time out
final Accumulator<Integer> timeoutCounter =
ssc.sparkContext().accumulator(numBatchesTimeout);
timeoutCounter = numBatchesTimeout;

out.foreachRDD(new VoidFunction<JavaRDD<StreamingTestResult>>() {
@Override
public void call(JavaRDD<StreamingTestResult> rdd) throws Exception {
timeoutCounter.add(-1);
public void call(JavaRDD<StreamingTestResult> rdd) {
timeoutCounter -= 1;

long cntSignificant = rdd.filter(new Function<StreamingTestResult, Boolean>() {
boolean anySignificant = !rdd.filter(new Function<StreamingTestResult, Boolean>() {
@Override
public Boolean call(StreamingTestResult v) throws Exception {
public Boolean call(StreamingTestResult v) {
return v.pValue() < 0.05;
}
}).count();
}).isEmpty();

if (timeoutCounter.value() <= 0 || cntSignificant > 0) {
if (timeoutCounter <= 0 || anySignificant) {
rdd.context().stop();
}
}
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