cc.redberry.core.utils

Class EmptyIterator<T>

java.lang.Object

cc.redberry.core.utils.EmptyIterator<T>

All Implemented Interfaces:

java.util.Iterator<T>

public class EmptyIterator<T>
extends java.lang.Object
implements java.util.Iterator<T>

Singleton empty iterator.

Since:

1.0

Field Summary

Fields

Modifier and Type	Field and Description
static EmptyIterator	INSTANCE Empty iterator singleton instance.

Method Summary

Modifier and Type	Method and Description
boolean	hasNext() Returns false.
T	next() Throws IllegalStateException.
void	remove() Throws IllegalStateException.

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Iterator

forEachRemaining

Field Detail

INSTANCE

public static final EmptyIterator INSTANCE

Empty iterator singleton instance.

Method Detail

hasNext

public boolean hasNext()

Returns false.

Specified by:

hasNext in interface java.util.Iterator<T>

Returns:

false

next

public T next()

Throws IllegalStateException.

Specified by:

next in interface java.util.Iterator<T>

Returns:

throws IllegalStateException

Throws:

{@code - IllegalStateException} always

remove

public void remove()

Throws IllegalStateException.

Specified by:

remove in interface java.util.Iterator<T>

Throws:

{@code - IllegalStateException} always