Function (werken.xpath API)

All Known Implementing Classes:

BooleanFunction, CeilingFunction, ConcatFunction, ContainsFunction, CountFunction, FalseFunction, FloorFunction, LastFunction, LocalNameFunction, NameFunction, NamespaceUriFunction, NotFunction, NumberFunction, PositionFunction, RoundFunction, StartsWithFunction, StringFunction, StringLengthFunction, SubstringAfterFunction, SubstringBeforeFunction, SubstringFunction, SumFunction, TrueFunction
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public interface Function
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Interface for Function objects to conform to, for extensible function libraries.

- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  java.lang.Object call(Context context, java.util.List args)
  Call the function object.

- Method Detail
  - call
```
java.lang.Object call(Context context,
                      java.util.List args)
```
    Call the function object.
    
    Parameters:
    
    context - The current context the function operates upon
    
    args - The argument list to the function.
    
    Returns:
    
    The result from calling the function.