Package org.apache.commons.collections4.iterators

Class AbstractEmptyMapIterator<K,V>

java.lang.Object

org.apache.commons.collections4.iterators.AbstractEmptyIterator<K>

org.apache.commons.collections4.iterators.AbstractEmptyMapIterator<K,V>

Type Parameters:

K - the type of keys

V - the type of mapped values

All Implemented Interfaces:

Iterator<K>, ResettableIterator<K>

Direct Known Subclasses:

EmptyMapIterator, EmptyOrderedMapIterator

public abstract class AbstractEmptyMapIterator<K,V>
extends AbstractEmptyIterator<K>

Provides an implementation of an empty map iterator.

Since:

4.0

Constructor Summary

Constructors

Constructor	Description
AbstractEmptyMapIterator()	Create a new AbstractEmptyMapIterator.

Method Summary

Modifier and Type	Method	Description
K	getKey()	Always throws IllegalStateException.
V	getValue()	Always throws IllegalStateException.
V	setValue(V ignored)	Always throws IllegalStateException.

Methods inherited from class org.apache.commons.collections4.iterators.AbstractEmptyIterator

add, hasNext, hasPrevious, next, nextIndex, previous, previousIndex, remove, reset, set

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

Constructor Details

AbstractEmptyMapIterator

public AbstractEmptyMapIterator()

Create a new AbstractEmptyMapIterator.

Method Details

getKey

public K getKey()

Always throws IllegalStateException.

Returns:

Always throws IllegalStateException.

Throws:

IllegalStateException - Always thrown.

getValue

public V getValue()

Always throws IllegalStateException.

Returns:

Always throws IllegalStateException.

Throws:

IllegalStateException - Always thrown.

setValue

public V setValue(V ignored)

Always throws IllegalStateException.

Parameters:

ignored - ignored.

Returns:

Always throws IllegalStateException.

Throws:

IllegalStateException - Always thrown.