net.sf.saxon.tree.jiter

Class ConcatenatingIterator<E>

java.lang.Object

net.sf.saxon.tree.jiter.ConcatenatingIterator<E>

All Implemented Interfaces:

java.util.Iterator<E>

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

An iterator over nodes, that concatenates the nodes returned by two supplied iterators.

Constructor Summary

Constructors

Constructor and Description
ConcatenatingIterator(java.util.Iterator<? extends E> first, java.util.function.Supplier<java.util.Iterator<? extends E>> second) Create an iterator that concatenates the results of two supplied iterator.

Method Summary

Modifier and Type	Method and Description
boolean	hasNext()
E	next() Get the next item in the sequence.

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Iterator

forEachRemaining, remove

Constructor Detail

ConcatenatingIterator

public ConcatenatingIterator(java.util.Iterator<? extends E> first,
                             java.util.function.Supplier<java.util.Iterator<? extends E>> second)

Create an iterator that concatenates the results of two supplied iterator. The second iterator isn't created until it is actually needed.

Parameters:

first - the first iterator

second - a function that can be called to supply the second iterator

Method Detail

hasNext

public boolean hasNext()

Specified by:

hasNext in interface java.util.Iterator<E>

next

public E next()

Get the next item in the sequence.

Specified by:

next in interface java.util.Iterator<E>

Returns:

the next Item. If there are no more items, return null.