- addSink
Adds the given sink to this DataStream. Only streams with sinks added will be
executed once the Stre
- keyBy
Partitions the operator state of a DataStream using field expressions. A field
expression is either
- map
Applies a Map transformation on a DataStream. The transformation calls a
MapFunction for each elemen
- flatMap
Applies a FlatMap transformation on a DataStream. The transformation calls a
FlatMapFunction for eac
- getType
Gets the type of the stream.
- union
Creates a new DataStream by merging DataStream outputs of the same type with
each other. The DataStr
- print
Writes a DataStream to the standard output stream (stdout).For each element of
the DataStream the re
- transform
Method for passing user defined operators along with the type information that
will transform the Da
- getExecutionEnvironment
Returns the StreamExecutionEnvironment that was used to create this DataStream.
- getTransformation
Returns the StreamTransformation that represents the operation that logically
creates this DataStrea
- rebalance
Sets the partitioning of the DataStream so that the output elements are
distributed evenly to instan
- writeAsText
Writes a DataStream to the file specified by path in text format.For every
element of the DataStream