com.adobe.granite.ui.components

Class PagingIterator<E>

java.lang.Object

com.adobe.granite.ui.components.PagingIterator<E>

All Implemented Interfaces:

java.util.Iterator<E>

public class PagingIterator<E>
extends java.lang.Object
implements java.util.Iterator<E>

A wrapper iterator to supports paging.

If you have access to Collection 4.1, it is recommended to use IteratorUtils#boundedIterator(Iterator, long, long) instead.

Constructor Summary

Constructors

Constructor and Description
PagingIterator(java.util.Iterator<E> it, java.lang.Integer offset, java.lang.Integer limit) Instantiates a new paging wrapper of the given iterator.

Method Summary

Modifier and Type	Method and Description
boolean	hasNext()
E	next()
void	remove()

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Iterator

forEachRemaining

Constructor Detail

PagingIterator

public PagingIterator(@Nonnull
                      java.util.Iterator<E> it,
                      @CheckForNull
                      java.lang.Integer offset,
                      @CheckForNull
                      java.lang.Integer limit)
               throws java.lang.IllegalArgumentException

Instantiates a new paging wrapper of the given iterator.

The iterator is iterated immediately as per offset.

Parameters:

it - The iterator to wrap

offset - The offset of the paging; null to do paging without offset.

limit - The limit of the paging; null to do paging without limit.

Throws:

java.lang.IllegalArgumentException - When either offset or limit is negative

Method Detail

hasNext

public boolean hasNext()

Specified by:

hasNext in interface java.util.Iterator<E>

next

public E next()

Specified by:

next in interface java.util.Iterator<E>

remove

public void remove()

Specified by:

remove in interface java.util.Iterator<E>