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author | Sean Owen <sowen@cloudera.com> | 2015-03-11 12:16:32 +0000 |
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committer | Sean Owen <sowen@cloudera.com> | 2015-03-11 12:16:32 +0000 |
commit | 35b25640a4debddd5a4498455888f6241caf6223 (patch) | |
tree | 1fd0672d939ee363f84a4512908a76182e9b79e0 /docs/streaming-programming-guide.md | |
parent | 517975d89d40a77c7186f488547eed11f79c1e97 (diff) | |
download | spark-35b25640a4debddd5a4498455888f6241caf6223.tar.gz spark-35b25640a4debddd5a4498455888f6241caf6223.tar.bz2 spark-35b25640a4debddd5a4498455888f6241caf6223.zip |
[MINOR] [DOCS] Fix map -> mapToPair in Streaming Java example
Fix map -> mapToPair in Java example. (And zap some unneeded "throws Exception" while here)
Author: Sean Owen <sowen@cloudera.com>
Closes #4967 from srowen/MapToPairFix and squashes the following commits:
ded2bc0 [Sean Owen] Fix map -> mapToPair in Java example. (And zap some unneeded "throws Exception" while here)
Diffstat (limited to 'docs/streaming-programming-guide.md')
-rw-r--r-- | docs/streaming-programming-guide.md | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/docs/streaming-programming-guide.md b/docs/streaming-programming-guide.md index 815c98713b..062ac2648d 100644 --- a/docs/streaming-programming-guide.md +++ b/docs/streaming-programming-guide.md @@ -189,15 +189,15 @@ Next, we want to count these words. {% highlight java %} // Count each word in each batch -JavaPairDStream<String, Integer> pairs = words.map( +JavaPairDStream<String, Integer> pairs = words.mapToPair( new PairFunction<String, String, Integer>() { - @Override public Tuple2<String, Integer> call(String s) throws Exception { + @Override public Tuple2<String, Integer> call(String s) { return new Tuple2<String, Integer>(s, 1); } }); JavaPairDStream<String, Integer> wordCounts = pairs.reduceByKey( new Function2<Integer, Integer, Integer>() { - @Override public Integer call(Integer i1, Integer i2) throws Exception { + @Override public Integer call(Integer i1, Integer i2) { return i1 + i2; } }); @@ -1041,7 +1041,7 @@ val windowedWordCounts = pairs.reduceByKeyAndWindow((a:Int,b:Int) => (a + b), Se {% highlight java %} // Reduce function adding two integers, defined separately for clarity Function2<Integer, Integer, Integer> reduceFunc = new Function2<Integer, Integer, Integer>() { - @Override public Integer call(Integer i1, Integer i2) throws Exception { + @Override public Integer call(Integer i1, Integer i2) { return i1 + i2; } }; |