net.sf.saxon.evpull
Class EmptyEventIterator

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

All Implemented Interfaces:

EventIterator, PullEvent

public class EmptyEventIterator
extends Object
implements EventIterator

This class is an EventIterator over an empty sequence. It is a singleton class.

Constructor Summary

EmptyEventIterator()

Method Summary

static EmptyEventIterator	getInstance() Get the singular instance of this class
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 event in the sequence

Methods inherited from class java.lang.Object

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

Constructor Detail

EmptyEventIterator

public EmptyEventIterator()

Method Detail

getInstance

public static EmptyEventIterator getInstance()

Get the singular instance of this class

Returns:

the singular instance

next

public PullEvent next()

Get the next event in the sequence

Specified by:

next in interface EventIterator

Returns:

null (there is never a next event)

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