net.i2p.router.util

Class CachedIteratorArrayList<E>

java.lang.Object

java.util.AbstractCollection<E>

java.util.AbstractList<E>

java.util.ArrayList<E>

net.i2p.router.util.CachedIteratorArrayList<E>

Type Parameters:

E - type of elements in this list

All Implemented Interfaces:

Serializable, Cloneable, Iterable<E>, Collection<E>, List<E>, RandomAccess

public class CachedIteratorArrayList<E>
extends ArrayList<E>

ArrayList with cached iterator for reduced object allocation overhead.

Extends ArrayList to provide a single reusable iterator instance, avoiding the creation of new iterator objects during repeated iteration operations. This reduces garbage collection pressure and improves performance for frequently traversed collections.

Maintains iterator state between iterations to support the standard iterator contract while allowing remove() operations with proper fail-fast behavior on concurrent modifications.

Particularly useful in scenarios where the same collection is iterated over multiple times, providing both the convenience of an iterator interface and the performance benefits of object reuse.

See Also:

Serialized Form

Field Summary

Fields inherited from class java.util.AbstractList

modCount

Constructor Summary

Constructors

Constructor and Description
CachedIteratorArrayList()
CachedIteratorArrayList(Collection<? extends E> c)
CachedIteratorArrayList(int initialCapacity)

Method Summary

Modifier and Type	Method and Description
Iterator<E>	iterator()

Methods inherited from class java.util.ArrayList

add, add, addAll, addAll, clear, clone, contains, ensureCapacity, forEach, get, indexOf, isEmpty, lastIndexOf, listIterator, listIterator, remove, remove, removeAll, removeIf, removeRange, replaceAll, retainAll, set, size, sort, spliterator, subList, toArray, toArray, trimToSize

Methods inherited from class java.util.AbstractList

equals, hashCode

Methods inherited from class java.util.AbstractCollection

containsAll, toString

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.List

containsAll, equals, hashCode

Methods inherited from interface java.util.Collection

parallelStream, stream

Constructor Detail

CachedIteratorArrayList

public CachedIteratorArrayList()

CachedIteratorArrayList

public CachedIteratorArrayList(Collection<? extends E> c)

CachedIteratorArrayList

public CachedIteratorArrayList(int initialCapacity)

Method Detail

iterator

public Iterator<E> iterator()

Specified by:

iterator in interface Iterable<E>

Specified by:

iterator in interface Collection<E>

Specified by:

iterator in interface List<E>

Overrides:

iterator in class ArrayList<E>