Module MaterialFX

Package io.github.palexdev.materialfx.collections

Class CircularQueue<E>

java.lang.Object

java.util.AbstractCollection<E>

java.util.AbstractList<E>

java.util.AbstractSequentialList<E>

java.util.LinkedList<E>

io.github.palexdev.materialfx.collections.CircularQueue<E>

All Implemented Interfaces:

Serializable, Cloneable, Iterable<E>, Collection<E>, Deque<E>, List<E>, Queue<E>

public class CircularQueue<E>
extends LinkedList<E>

This is the implementation of a circular FIFO queue. When the maximum size is reached the oldest element is removed and replaced by the new one.

See Also:

• Serialized Form

Field Summary

Fields inherited from class java.util.AbstractList

modCount

Constructor Summary

Constructors

Constructor	Description
CircularQueue(int size)

Method Summary

Modifier and Type	Method	Description
boolean	add(E e)	Adds the specified element to the queue and if it is full removes the oldest element and then adds the new one.
void	setSize(int size)	Sets the maximum size of the queue and removes exceeding elements if the specified size is lesser than the number of elements.

Methods inherited from class java.util.LinkedList

add, addAll, addAll, addFirst, addLast, clear, clone, contains, descendingIterator, element, get, getFirst, getLast, indexOf, lastIndexOf, listIterator, offer, offerFirst, offerLast, peek, peekFirst, peekLast, poll, pollFirst, pollLast, pop, push, remove, remove, remove, removeFirst, removeFirstOccurrence, removeLast, removeLastOccurrence, set, size, spliterator, toArray, toArray

Methods inherited from class java.util.AbstractSequentialList

iterator

Methods inherited from class java.util.AbstractList

equals, hashCode, listIterator, removeRange, subList

Methods inherited from class java.util.AbstractCollection

containsAll, isEmpty, removeAll, retainAll, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Collection

parallelStream, removeIf, stream, toArray

Methods inherited from interface java.util.Deque

iterator

Methods inherited from interface java.lang.Iterable

forEach

Methods inherited from interface java.util.List

containsAll, equals, hashCode, isEmpty, iterator, listIterator, removeAll, replaceAll, retainAll, sort, subList

Constructor Details

CircularQueue

public CircularQueue(int size)

Method Details

setSize

public void setSize(int size)

Sets the maximum size of the queue and removes exceeding elements if the specified size is lesser than the number of elements.

Parameters:

size - The new desired size

Throws:

IllegalArgumentException - if the desired size is 0

add

public boolean add(E e)

Adds the specified element to the queue and if it is full removes the oldest element and then adds the new one.

Specified by:

add in interface Collection<E>

Specified by:

add in interface Deque<E>

Specified by:

add in interface List<E>

Specified by:

add in interface Queue<E>

Overrides:

add in class LinkedList<E>