org.jboss.threads

Class ArrayQueue<E>

java.lang.Object

java.util.AbstractCollection<E>

java.util.AbstractQueue<E>

org.jboss.threads.ArrayQueue<E>

All Implemented Interfaces:

java.lang.Iterable<E>, java.util.Collection<E>, java.util.Queue<E>

public final class ArrayQueue<E>
extends java.util.AbstractQueue<E>
implements java.util.Queue<E>

A simple array-backed queue with a fixed size.

Field Summary

Fields

Modifier and Type	Field and Description
private E[]	elements
private int	head
private int	modCnt
private int	tail

Constructor Summary

Constructors

Constructor and Description
ArrayQueue(int capacity)

Method Summary

Modifier and Type	Method and Description
void	clear()
boolean	isEmpty()
java.util.Iterator<E>	iterator()
boolean	offer(E e)
E	peek()
E	poll()
int	size()

Methods inherited from class java.util.AbstractQueue

add, addAll, element, remove

Methods inherited from class java.util.AbstractCollection

contains, containsAll, remove, removeAll, retainAll, toArray, toArray, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Queue

add, element, remove

Methods inherited from interface java.util.Collection

addAll, contains, containsAll, equals, hashCode, parallelStream, remove, removeAll, removeIf, retainAll, spliterator, stream, toArray, toArray

Methods inherited from interface java.lang.Iterable

forEach

Field Detail

elements

private final E[] elements

head

private int head

tail

private int tail

modCnt

private int modCnt

Constructor Detail

ArrayQueue

public ArrayQueue(int capacity)

Method Detail

iterator

public java.util.Iterator<E> iterator()

Specified by:

iterator in interface java.lang.Iterable<E>

Specified by:

iterator in interface java.util.Collection<E>

Specified by:

iterator in class java.util.AbstractCollection<E>

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface java.util.Collection<E>

Overrides:

isEmpty in class java.util.AbstractCollection<E>

size

public int size()

Specified by:

size in interface java.util.Collection<E>

Specified by:

size in class java.util.AbstractCollection<E>

offer

public boolean offer(E e)

Specified by:

offer in interface java.util.Queue<E>

poll

public E poll()

Specified by:

poll in interface java.util.Queue<E>

peek

public E peek()

Specified by:

peek in interface java.util.Queue<E>

clear

public void clear()

Specified by:

clear in interface java.util.Collection<E>

Overrides:

clear in class java.util.AbstractQueue<E>