FindUserNamePipe {bdpar}

Class to find and/or remove the users on the data field of an Instance

Description

This class is responsible of detecting the existing use names in the data field of each Instance. Identified user names are stored inside the userName field of Instance class. Moreover if required, is able to perform inline user name removement.

Details

The regular expressions indicated in the userPattern variable are used to identify user names.

Note

FindUserNamePipe will automatically invalidate the Instance whenever the obtained data is empty.

Inherit

This class inherits from GenericPipe and implements the pipe abstract function.

Super class

bdpar::GenericPipe -> FindUserNamePipe

Public fields

userPattern

A character value. The regular expression to detect name users.

Methods

Public methods

• FindUserNamePipe$new()

• FindUserNamePipe$pipe()

• FindUserNamePipe$findUserName()

• FindUserNamePipe$removeUserName()

• FindUserNamePipe$clone()

Inherited methods

• bdpar::GenericPipe$getAlwaysBeforeDeps()
• bdpar::GenericPipe$getNotAfterDeps()
• bdpar::GenericPipe$getPropertyName()
• bdpar::GenericPipe$hash()
• bdpar::GenericPipe$setAlwaysBeforeDeps()
• bdpar::GenericPipe$setNotAfterDeps()
• bdpar::GenericPipe$setPropertyName()

Method new()

Creates a FindEmoticonPipe object.

Usage

FindUserNamePipe$new(
  propertyName = "userName",
  alwaysBeforeDeps = list(),
  notAfterDeps = list(),
  removeUser = TRUE
)

Arguments

propertyName

A character value. Name of the property associated with the GenericPipe.

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).

removeUser

A logical value. Indicates if the name users are removed.

propertyLanguageName

A character value. Name of the language property.

Method pipe()

Preprocesses the Instance to obtain/remove the name users. The emoticons found in the data are added to the list of properties of the Instance.

Usage

FindUserNamePipe$pipe(instance)

Arguments

instance

A Instance value. The Instance to preprocess.

Returns

The Instance with the modifications that have occurred in the pipe.

Method findUserName()

Finds the name users in the data.

Usage

FindUserNamePipe$findUserName(data)

Arguments

data

A character value. The text to search the name users.

Returns

The list with name users found.

Method removeUserName()

Removes the name users in the data.

Usage

FindUserNamePipe$removeUserName(data)

Arguments

data

A character value. The text where name users will be removed.

Returns

The data with the name users removed.

Method clone()

The objects of this class are cloneable with this method.

Usage

FindUserNamePipe$clone(deep = FALSE)

Arguments

deep

Whether to make a deep clone.

See Also

AbbreviationPipe, ContractionPipe, File2Pipe, FindEmojiPipe, FindEmoticonPipe, FindHashtagPipe, FindUrlPipe, GuessDatePipe, GuessLanguagePipe, Instance, InterjectionPipe, MeasureLengthPipe, GenericPipe, SlangPipe, StopWordPipe, StoreFileExtPipe, TargetAssigningPipe, TeeCSVPipe, ToLowerCasePipe