Interface EventMappingFunction


public interface EventMappingFunction
EventMappingFunction is an interface that must be satisfied by an object passed to an EventMappingIterator. It represents an object which, given an Item, can return an EventIterator that delivers a sequence of zero or more PullEvents.
  • Method Summary

    Modifier and Type
    Method
    Description
    map(Item item)
    Map one item to a sequence of pull events.
  • Method Details

    • map

      EventIterator map(Item item) throws XPathException
      Map one item to a sequence of pull events.
      Parameters:
      item - The item to be mapped.
      Returns:
      one of the following: (a) an EventIterator over the sequence of items that the supplied input item maps to, or (b) null if it maps to an empty sequence.
      Throws:
      XPathException