org.apache.jackrabbit.commons.iterator
Class VersionIteratorAdapter

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

All Implemented Interfaces:

Iterator, RangeIterator, VersionIterator

public class VersionIteratorAdapter
extends RangeIteratorDecorator
implements VersionIterator

Adapter class for turning RangeIterators or Iterators into VersionIterators.

Field Summary

static VersionIterator

EMPTY Static instance of an empty VersionIterator.

Constructor Summary

VersionIteratorAdapter(Collection collection)
Creates an iterator for the given collection.

VersionIteratorAdapter(Iterator iterator)
Creates an adapter for the given Iterator.

VersionIteratorAdapter(RangeIterator iterator)
Creates an adapter for the given RangeIterator.

Method Summary

Version

nextVersion() Returns the next version.

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 VersionIterator EMPTY

Static instance of an empty VersionIterator.

Constructor Detail

VersionIteratorAdapter

public VersionIteratorAdapter(RangeIterator iterator)

Creates an adapter for the given RangeIterator.

Parameters:

iterator - iterator of Versions

VersionIteratorAdapter

public VersionIteratorAdapter(Iterator iterator)

Creates an adapter for the given Iterator.

Parameters:

iterator - iterator of Versions

VersionIteratorAdapter

public VersionIteratorAdapter(Collection collection)

Creates an iterator for the given collection.

Parameters:

collection - collection of Versions

Method Detail

nextVersion

public Version nextVersion()

Returns the next version.

Specified by:

nextVersion in interface VersionIterator

Returns:

next version

Throws:

NoSuchElementException - if there is no next version