org.apache.jackrabbit.commons.iterator
Class EventIteratorAdapter

java.lang.Object
  org.apache.jackrabbit.commons.iterator.RangeIteratorDecorator
      org.apache.jackrabbit.commons.iterator.EventIteratorAdapter

All Implemented Interfaces:

java.util.Iterator, javax.jcr.observation.EventIterator, javax.jcr.RangeIterator

public class EventIteratorAdapter
extends RangeIteratorDecorator
implements javax.jcr.observation.EventIterator

Adapter class for turning RangeIterators or Iterators into EventIterators.

Field Summary

static javax.jcr.observation.EventIterator

EMPTY Static instance of an empty EventIterator.

Constructor Summary

EventIteratorAdapter(java.util.Collection collection)
Creates an iterator for the given collection.

EventIteratorAdapter(java.util.Iterator iterator)
Creates an adapter for the given Iterator.

EventIteratorAdapter(javax.jcr.RangeIterator iterator)
Creates an adapter for the given RangeIterator.

Method Summary

javax.jcr.observation.Event

nextEvent() Returns the next event.

Methods inherited from class org.apache.jackrabbit.commons.iterator.RangeIteratorDecorator

getPosition, getSize, hasNext, next, remove, skip

Methods inherited from class java.lang.Object

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

Methods inherited from interface javax.jcr.RangeIterator

getPosition, getSize, skip

Methods inherited from interface java.util.Iterator

hasNext, next, remove

Field Detail

EMPTY

public static final javax.jcr.observation.EventIterator EMPTY

Static instance of an empty EventIterator.

Constructor Detail

EventIteratorAdapter

public EventIteratorAdapter(javax.jcr.RangeIterator iterator)

Creates an adapter for the given RangeIterator.

Parameters:

iterator - iterator of Events

EventIteratorAdapter

public EventIteratorAdapter(java.util.Iterator iterator)

Creates an adapter for the given Iterator.

Parameters:

iterator - iterator of Events.

EventIteratorAdapter

public EventIteratorAdapter(java.util.Collection collection)

Creates an iterator for the given collection.

Parameters:

collection - collection of Events

Method Detail

nextEvent

public javax.jcr.observation.Event nextEvent()
                                      throws java.util.NoSuchElementException

Returns the next event.

Specified by:

nextEvent in interface javax.jcr.observation.EventIterator

Returns:

next event

Throws:

java.util.NoSuchElementException - if there is no next event