Class EmptyIterator<T>

java.lang.Object

com.fasterxml.aalto.util.EmptyIterator<T>

All Implemented Interfaces:

Iterator<T>

public final class EmptyIterator<T>
extends Object
implements Iterator<T>

Simple implementation of "null iterator", iterator that has nothing to iterate over.

Field Summary

Fields

Modifier and Type	Field	Description
(package private) static final EmptyIterator<Object>	sInstance

Constructor Summary

Constructors

Modifier	Constructor	Description
private	EmptyIterator()

Method Summary

Modifier and Type	Method	Description
static <T> EmptyIterator<T>	getInstance()	Since the actual type has no effect (as this iterator never returns any value objects), we can just cast away here: bit unclean, but safe.
boolean	hasNext()
T	next()
void	remove()

Methods inherited from class Object

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

Methods inherited from interface Iterator

forEachRemaining

Field Details

sInstance

static final EmptyIterator<Object> sInstance

Constructor Details

EmptyIterator

private EmptyIterator()

Method Details

getInstance

public static <T> EmptyIterator<T> getInstance()

Since the actual type has no effect (as this iterator never returns any value objects), we can just cast away here: bit unclean, but safe.

hasNext

public boolean hasNext()

Specified by:

hasNext in interface Iterator<T>

next

public T next()

Specified by:

next in interface Iterator<T>

remove

public void remove()

Specified by:

remove in interface Iterator<T>