StatefulSystemFunction

All Known Implementing Classes:

AllDifferent, AllEqual, AnalyzeStringFn, CollatingFunctionFixed, CollationKeyFn, Compare, Contains, ContainsToken, DeepEqual, DistinctValues, DuplicateValues, EndsWith, FormatInteger, FormatNumber, IndexOf, KeyFn, Matches, Minimax, Minimax.Max, Minimax.Min, RegexFunction, Replace, ReplaceWith, StartsWith, SubstringAfter, SubstringBefore, Tokenize_3, Translate
```
public interface StatefulSystemFunction
```

- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  SystemFunction copy()
  Make a copy of this SystemFunction.

- Method Detail
  - copy
```
SystemFunction copy()
```
    Make a copy of this SystemFunction. This is required only for system functions such as regex functions that maintain state on behalf of a particular caller.
    
    Returns:
    
    a copy of the system function able to contain its own copy of the state on behalf of the caller.