net.sf.saxon.evpull
Class EventIteratorOverSequence

java.lang.Object
  net.sf.saxon.evpull.EventIteratorOverSequence

All Implemented Interfaces:

EventIterator, PullEvent

public class EventIteratorOverSequence
extends Object
implements EventIterator

This class maps a SequenceIterator to an EventIterator, by simply returning the items in the sequence as PullEvents.

Constructor Summary

EventIteratorOverSequence(SequenceIterator base)
Create an EventIterator that wraps a given SequenceIterator

Method Summary

boolean	isFlatSequence() Determine whether the EventIterator returns a flat sequence of events, or whether it can return nested event iterators
PullEvent	next() Get the next PullEvent in the sequence

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

EventIteratorOverSequence

public EventIteratorOverSequence(SequenceIterator base)

Create an EventIterator that wraps a given SequenceIterator

Parameters:

base - the SequenceIterator to be wrapped

Method Detail

next

public PullEvent next()
               throws XPathException

Get the next PullEvent in the sequence

Specified by:

next in interface EventIterator

Returns:

the next PullEvent

Throws:

XPathException - in case of a dynamic error

isFlatSequence

public boolean isFlatSequence()

Determine whether the EventIterator returns a flat sequence of events, or whether it can return nested event iterators

Specified by:

isFlatSequence in interface EventIterator

Returns:

true if the next() method is guaranteed never to return an EventIterator