org.apache.jackrabbit.commons.iterator
Class RowIteratorAdapter

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

All Implemented Interfaces:

java.util.Iterator, javax.jcr.query.RowIterator, javax.jcr.RangeIterator

public class RowIteratorAdapter
extends RangeIteratorDecorator
implements javax.jcr.query.RowIterator

Adapter class for turning RangeIterators or Iterators into RowIterators.

Field Summary

static javax.jcr.query.RowIterator

EMPTY Static instance of an empty RowIterator.

Constructor Summary

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

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

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

Method Summary

javax.jcr.query.Row

nextRow() Returns the next row.

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.query.RowIterator EMPTY

Static instance of an empty RowIterator.

Constructor Detail

RowIteratorAdapter

public RowIteratorAdapter(javax.jcr.RangeIterator iterator)

Creates an adapter for the given RangeIterator.

Parameters:

iterator - iterator of Rows

RowIteratorAdapter

public RowIteratorAdapter(java.util.Iterator iterator)

Creates an adapter for the given Iterator.

Parameters:

iterator - iterator of Rows

RowIteratorAdapter

public RowIteratorAdapter(java.util.Collection collection)

Creates an iterator for the given collection.

Parameters:

collection - collection of Rows

Method Detail

nextRow

public javax.jcr.query.Row nextRow()

Returns the next row.

Specified by:

nextRow in interface javax.jcr.query.RowIterator

Returns:

next row

Throws:

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