org.apache.jackrabbit.util
Class IteratorHelper

java.lang.Object
  org.apache.jackrabbit.util.IteratorHelper

All Implemented Interfaces:

Iterator, NodeIterator, NodeTypeIterator, PropertyIterator, RangeIterator

public class IteratorHelper

extends Object

implements NodeIterator, PropertyIterator, NodeTypeIterator

IteratorHelper is a utility class which wraps an iterator and implements the various typed iterator interfaces.

Field Summary

static IteratorHelper

EMPTY

Constructor Summary

IteratorHelper(Collection c)
Constructs an IteratorHelper which is backed by a java.util.Collection.

IteratorHelper(Iterator iter)
Constructs an IteratorHelper which is wrapping a java.util.Iterator.

Method Summary

long	getPosition()
long	getSize()
boolean	hasNext()
Object	next()
Node	nextNode()
NodeType	nextNodeType()
Property	nextProperty()
void	remove()
void	skip(long skipNum)

Methods inherited from class java.lang.Object

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

Field Detail

EMPTY

public static final IteratorHelper EMPTY

Constructor Detail

IteratorHelper

public IteratorHelper(Collection c)

Constructs an IteratorHelper which is backed by a java.util.Collection.

Parameters:

c - collection which should be iterated over.

IteratorHelper

public IteratorHelper(Iterator iter)

Constructs an IteratorHelper which is wrapping a java.util.Iterator.

Parameters:

iter - iterator which should be wrapped.

Method Detail

skip

public void skip(long skipNum)

Specified by:

skip in interface RangeIterator

getSize

public long getSize()

Specified by:

getSize in interface RangeIterator

getPosition

public long getPosition()

Specified by:

getPosition in interface RangeIterator

hasNext

public boolean hasNext()

Specified by:

hasNext in interface Iterator

next

public Object next()

Specified by:

next in interface Iterator

remove

public void remove()

Specified by:

remove in interface Iterator

nextNode

public Node nextNode()

Specified by:

nextNode in interface NodeIterator

nextProperty

public Property nextProperty()

Specified by:

nextProperty in interface PropertyIterator

nextNodeType

public NodeType nextNodeType()

Specified by:

nextNodeType in interface NodeTypeIterator