dsl

Type Members

1. class CollectionDataSource[T] extends DataSource

   

   A test message source which generated message sequence repeatedly.

2. class KVStream[K, V] extends AnyRef

   

3. class LoggerSink[T] extends DataSink

   

4. class Stream[T] extends AnyRef

   

5. class StreamApp extends AnyRef

   

   Example:

   Example:

   val data = "This is a good start, bingo!! bingo!!"
   app.fromCollection(data.lines.toList).
   // word => (word, count)
   flatMap(line => line.split("[\\s]+")).map((_, 1)).
   // (word, count1), (word, count2) => (word, count1 + count2)
   groupBy(kv => kv._1).reduce(sum(_, _))
   
   val appId = context.submit(app)
   context.close()