Github user pwendell commented on a diff in the pull request:
https://github.com/apache/spark/pull/242#discussion_r11380428
--- Diff:
examples/src/main/java/org/apache/spark/examples/JavaPageRank.java ---
@@ -86,12 +87,18 @@ public Double call(List<String> rs) {
for (int current = 0; current < Integer.parseInt(args[2]); current++) {
// Calculates URL contributions to the rank of other URLs.
JavaPairRDD<String, Double> contribs = links.join(ranks).values()
- .flatMapToPair(new PairFlatMapFunction<Tuple2<List<String>,
Double>, String, Double>() {
+ .flatMapToPair(new PairFlatMapFunction<Tuple2<Iterable<String>,
Double>, String, Double>() {
@Override
- public Iterable<Tuple2<String, Double>>
call(Tuple2<List<String>, Double> s) {
+ public Iterable<Tuple2<String, Double>>
call(Tuple2<Iterable<String>, Double> s) {
+ int urlCount = 0;
+ Iterator<String> urls = s._1.iterator();
+ while (urls.hasNext()) {
--- End diff --
could you use `Iterators.size` here too?
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