Package com.google.refine.grel

Interface Control

All Known Implementing Classes:

Filter, ForEach, ForEachIndex, ForNonBlank, ForRange, If, IsBlank, IsEmptyString, IsError, IsNonBlank, IsNotNull, IsNull, IsNumeric, With

public interface Control

Interface of GREL controls such as if, forEach, forNonBlank, with. A control can decide which part of the code to execute and can affect the environment bindings. Functions, on the other hand, can't do either.

Method Summary

Modifier and Type	Method	Description
Object	call(Properties bindings, Evaluable[] args)
String	checkArguments(Evaluable[] args)
String	getDescription()
default String	getParams()
String	getReturns()

Method Details

call

Object call(Properties bindings,
 Evaluable[] args)

checkArguments

String checkArguments(Evaluable[] args)

getDescription

String getDescription()

getParams

default String getParams()

getReturns

String getReturns()