OnDataStream
Wraps a data stream, allowing to use anonymous partial functions to perform extraction of items in a tuple, case class instance or collection
Type parameters
- T
-
The type of the data stream items
Value parameters
- stream
-
The wrapped data stream
Attributes
- Graph
-
- Supertypes
-
class Objecttrait Matchableclass Any
Members list
Value members
Concrete methods
Applies a predicate fun to each item of the stream, keeping only those for which the predicate holds
Applies a predicate fun to each item of the stream, keeping only those for which the predicate holds
Value parameters
- fun
-
The predicate to be tested on each item
Attributes
- Returns
-
A dataset of R
Applies a function fun to each item of the stream, producing a collection of items that will be flattened in the resulting stream
Applies a function fun to each item of the stream, producing a collection of items that will be flattened in the resulting stream
Type parameters
- R
-
The type of the items in the returned stream
Value parameters
- fun
-
The function to be applied to each item
Attributes
- Returns
-
A dataset of R
Keys the items according to a keying function fun
Keys the items according to a keying function fun
Type parameters
- K
-
The type of the key, for which type information must be known
Value parameters
- fun
-
The keying function
Attributes
- Returns
-
A stream of Ts keyed by Ks
Applies a function fun to each item of the stream
Applies a function fun to each item of the stream
Type parameters
- R
-
The type of the items in the returned stream
Value parameters
- fun
-
The function to be applied to each item
Attributes
- Returns
-
A dataset of R