File2Pipe {bdpar} | R Documentation |
Class to obtain the source field of an Instance
Description
Obtains the source using the method which implements the
subclass of Instance
.
Note
File2Pipe
will automatically invalidate the
Instance
whenever the obtained source is empty or not in UTF-8 format.
Inherit
This class inherits from GenericPipe
and implements the
pipe
abstract function.
Super class
bdpar::GenericPipe
-> File2Pipe
Methods
Public methods
Inherited methods
Method new()
Creates a File2Pipe
object.
Usage
File2Pipe$new( propertyName = "source", alwaysBeforeDeps = list("TargetAssigningPipe"), notAfterDeps = list() )
Arguments
propertyName
A
character
value. Name of the property associated with theGenericPipe
.alwaysBeforeDeps
A
list
value. The dependencies alwaysBefore (GenericPipes
that must be executed before this one).notAfterDeps
A
list
value. The dependencies notAfter (GenericPipes
that cannot be executed after this one).
Method pipe()
Preprocesses the Instance
to obtain the
source.
Usage
File2Pipe$pipe(instance)
Arguments
Returns
The Instance
with the modifications that have
occurred in the pipe.
Method clone()
The objects of this class are cloneable with this method.
Usage
File2Pipe$clone(deep = FALSE)
Arguments
deep
Whether to make a deep clone.
See Also
AbbreviationPipe
, ContractionPipe
,
FindEmojiPipe
, FindEmoticonPipe
,
FindHashtagPipe
, FindUrlPipe
,
FindUserNamePipe
, GuessDatePipe
,
GuessLanguagePipe
, Instance
,
InterjectionPipe
, MeasureLengthPipe
,
GenericPipe
, SlangPipe
,
StopWordPipe
, StoreFileExtPipe
,
TargetAssigningPipe
, TeeCSVPipe
,
ToLowerCasePipe