diff options
| -rw-r--r-- | scald-mvp/README.md | 2 | ||||
| -rw-r--r-- | scald-mvp/src/main/scala/example/WordCount.scala | 12 | ||||
| -rw-r--r-- | scald-mvp/src/main/scala/example/WordCountJob.scala | 12 |
3 files changed, 13 insertions, 13 deletions
diff --git a/scald-mvp/README.md b/scald-mvp/README.md index dfa2bca..6c7ec76 100644 --- a/scald-mvp/README.md +++ b/scald-mvp/README.md @@ -25,4 +25,4 @@ running on my laptop: later, using hadop command instead: - hadoop jar scald-mvp-assembly-0.1.0-SNAPSHOT.jar com.twitter.scalding.Tool example.WordCount --hdfs --input hdfs:///user/bnewbold/dummy.txt --output hdfs:///user/bnewbold/test_scalding_out2 + hadoop jar scald-mvp-assembly-0.1.0-SNAPSHOT.jar com.twitter.scalding.Tool example.WordCountJob --hdfs --input hdfs:///user/bnewbold/dummy.txt --output hdfs:///user/bnewbold/test_scalding_out3 diff --git a/scald-mvp/src/main/scala/example/WordCount.scala b/scald-mvp/src/main/scala/example/WordCount.scala deleted file mode 100644 index 0de6ae0..0000000 --- a/scald-mvp/src/main/scala/example/WordCount.scala +++ /dev/null @@ -1,12 +0,0 @@ - -package example - -import com.twitter.scalding._ - -class WordCount(args : Args) extends Job(args) { - TypedPipe.from(TextLine(args("input"))) - .flatMap { line => line.split("""\s+""") } - .groupBy { word => word } - .size - .write(TypedTsv(args("output"))) -} diff --git a/scald-mvp/src/main/scala/example/WordCountJob.scala b/scald-mvp/src/main/scala/example/WordCountJob.scala new file mode 100644 index 0000000..83a8dd0 --- /dev/null +++ b/scald-mvp/src/main/scala/example/WordCountJob.scala @@ -0,0 +1,12 @@ +package com.twitter.scalding.examples + +import com.twitter.scalding._ + +class WordCountJob(args: Args) extends Job(args) { + TypedPipe.from(TextLine(args("input"))) + .flatMap { line => line.split("\\s+") } + .map { word => (word, 1L) } + .sumByKey + // The compiler will enforce the type coming out of the sumByKey is the same as the type we have for our sink + .write(TypedTsv[(String, Long)](args("output"))) +} |