Class MapFunctionSet.MapKeys

All Implemented Interfaces:
Callable, Function, GroundedValue, Item, Sequence
Enclosing class:
MapFunctionSet

public static class MapFunctionSet.MapKeys extends SystemFunction
Implementation of the extension function map:keys(Map) => atomicValue*
  • Constructor Details

    • MapKeys

      public MapKeys()
  • Method Details

    • call

      public Sequence call(XPathContext context, Sequence[] arguments) throws XPathException
      Description copied from interface: Function
      Invoke the function
      Parameters:
      context - the XPath dynamic evaluation context
      arguments - the actual arguments to be supplied
      Returns:
      the result of invoking the function
      Throws:
      XPathException - if a dynamic error occurs within the function