com.openexchange.mail.cache.queue

Class SingletonMailAccessQueue

java.lang.Object

com.openexchange.mail.cache.queue.SingletonMailAccessQueue

All Implemented Interfaces:

MailAccessQueue, java.lang.Iterable<PooledMailAccess>, java.util.Collection<PooledMailAccess>, java.util.Queue<PooledMailAccess>

public final class SingletonMailAccessQueue
extends java.lang.Object
implements MailAccessQueue

SingletonMailAccessQueue - A thread-safe singleton queue backed by an AtomicReference instance.

Author:

Thorben Betten

Constructor Summary

Constructors

Constructor and Description
SingletonMailAccessQueue() Initializes a new SingletonMailAccessQueue.

Method Summary

Methods

Modifier and Type	Method and Description
boolean	add(PooledMailAccess pooledMailAccess)
boolean	addAll(java.util.Collection<? extends PooledMailAccess> c)
void	clear()
boolean	contains(java.lang.Object o)
boolean	containsAll(java.util.Collection<?> c)
PooledMailAccess	element()
int	getCapacity() Gets the capacity.
boolean	isDeprecated() Checks if this queue is marked as deprecated.
boolean	isEmpty()
java.util.Iterator<PooledMailAccess>	iterator()
void	markDeprecated() Marks this queue as deprecated.
boolean	offer(PooledMailAccess pooledMailAccess)
PooledMailAccess	peek()
PooledMailAccess	poll()
PooledMailAccess	pollDelayed() Retrieves and removes the head of this queue, or null if head has not expired, yet.
PooledMailAccess	remove()
boolean	remove(java.lang.Object o)
boolean	removeAll(java.util.Collection<?> c)
boolean	retainAll(java.util.Collection<?> c)
int	size()
java.lang.Object[]	toArray()
<T> T[]	toArray(T[] a)

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Collection

equals, hashCode

Constructor Detail

SingletonMailAccessQueue

public SingletonMailAccessQueue()

Initializes a new SingletonMailAccessQueue.

Method Detail

getCapacity

public int getCapacity()

Description copied from interface: MailAccessQueue

Gets the capacity.

Specified by:

getCapacity in interface MailAccessQueue

Returns:

The capacity

pollDelayed

public PooledMailAccess pollDelayed()

Description copied from interface: MailAccessQueue

Retrieves and removes the head of this queue, or null if head has not expired, yet.

Specified by:

pollDelayed in interface MailAccessQueue

Returns:

The head of this queue or null if head has not expired, yet.

offer

public boolean offer(PooledMailAccess pooledMailAccess)

Specified by:

offer in interface java.util.Queue<PooledMailAccess>

poll

public PooledMailAccess poll()

Specified by:

poll in interface java.util.Queue<PooledMailAccess>

remove

public PooledMailAccess remove()

Specified by:

remove in interface java.util.Queue<PooledMailAccess>

peek

public PooledMailAccess peek()

Specified by:

peek in interface java.util.Queue<PooledMailAccess>

element

public PooledMailAccess element()

Specified by:

element in interface java.util.Queue<PooledMailAccess>

size

public int size()

Specified by:

size in interface java.util.Collection<PooledMailAccess>

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface java.util.Collection<PooledMailAccess>

contains

public boolean contains(java.lang.Object o)

Specified by:

contains in interface java.util.Collection<PooledMailAccess>

iterator

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

Specified by:

iterator in interface java.lang.Iterable<PooledMailAccess>

Specified by:

iterator in interface java.util.Collection<PooledMailAccess>

toArray

public java.lang.Object[] toArray()

Specified by:

toArray in interface java.util.Collection<PooledMailAccess>

toArray

public <T> T[] toArray(T[] a)

Specified by:

toArray in interface java.util.Collection<PooledMailAccess>

add

public boolean add(PooledMailAccess pooledMailAccess)

Specified by:

add in interface java.util.Collection<PooledMailAccess>

Specified by:

add in interface java.util.Queue<PooledMailAccess>

remove

public boolean remove(java.lang.Object o)

Specified by:

remove in interface java.util.Collection<PooledMailAccess>

containsAll

public boolean containsAll(java.util.Collection<?> c)

Specified by:

containsAll in interface java.util.Collection<PooledMailAccess>

addAll

public boolean addAll(java.util.Collection<? extends PooledMailAccess> c)

Specified by:

addAll in interface java.util.Collection<PooledMailAccess>

removeAll

public boolean removeAll(java.util.Collection<?> c)

Specified by:

removeAll in interface java.util.Collection<PooledMailAccess>

retainAll

public boolean retainAll(java.util.Collection<?> c)

Specified by:

retainAll in interface java.util.Collection<PooledMailAccess>

clear

public void clear()

Specified by:

clear in interface java.util.Collection<PooledMailAccess>

markDeprecated

public void markDeprecated()

Description copied from interface: MailAccessQueue

Marks this queue as deprecated.

Specified by:

markDeprecated in interface MailAccessQueue

isDeprecated

public boolean isDeprecated()

Description copied from interface: MailAccessQueue

Checks if this queue is marked as deprecated.

Specified by:

isDeprecated in interface MailAccessQueue

Returns:

true if this queue is marked as deprecated; otherwise false