com.caucho.env.actor2

Class QueueRingFixed<M>

java.lang.Object

com.caucho.env.actor2.QueueRingBase<M>

com.caucho.env.actor2.QueueRingFixed<M>

All Implemented Interfaces:

QueueRing<M>, java.lang.Iterable<M>, java.util.Collection<M>, java.util.concurrent.BlockingQueue<M>, java.util.Queue<M>

public final class QueueRingFixed<M>
extends QueueRingBase<M>

Value queue with atomic reference.

Constructor Summary

Constructors

Constructor and Description
QueueRingFixed(int capacity)
QueueRingFixed(int capacity, RingBlocker blocker)

Method Summary

Modifier and Type	Method and Description
void	closeWrite()
void	deliver(ActorProcessor<? super M> deliver) Deliver available messages to the delivery handler.
int	getCapacity()
long	getHeadAlloc()
long	getTail()
long	getTailAlloc()
M	getValue(long ptr)
long	head()
boolean	isEmpty()
boolean	isWriteClosed()
boolean	offer(M value, long timeout, java.util.concurrent.TimeUnit unit) Offer a new message to the queue.
M	peek()
M	poll(long timeout, java.util.concurrent.TimeUnit unit)
void	pollWake()
int	remainingCapacity()
void	shutdown()
int	size()
java.lang.String	toString()
void	wake() Wake the worker to process new messages.

Methods inherited from class com.caucho.env.actor2.QueueRingBase

add, addAll, clear, contains, containsAll, drainTo, drainTo, element, iterator, offer, poll, put, remove, remove, removeAll, retainAll, take, toArray, toArray

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Collection

equals, hashCode, parallelStream, removeIf, spliterator, stream

Methods inherited from interface java.lang.Iterable

forEach

Constructor Detail

QueueRingFixed

public QueueRingFixed(int capacity)

QueueRingFixed

public QueueRingFixed(int capacity,
                      RingBlocker blocker)

Method Detail

getCapacity

public int getCapacity()

isEmpty

public final boolean isEmpty()

Specified by:

isEmpty in interface java.util.Collection<M>

Overrides:

isEmpty in class QueueRingBase<M>

size

public final int size()

Specified by:

size in interface java.util.Collection<M>

Overrides:

size in class QueueRingBase<M>

remainingCapacity

public int remainingCapacity()

Specified by:

remainingCapacity in interface java.util.concurrent.BlockingQueue<M>

Overrides:

remainingCapacity in class QueueRingBase<M>

head

public final long head()

getHeadAlloc

public final long getHeadAlloc()

getTail

public final long getTail()

getTailAlloc

public final long getTailAlloc()

wake

public void wake()

Description copied from interface: QueueRing

Wake the worker to process new messages.

getValue

public final M getValue(long ptr)

offer

public final boolean offer(M value,
                           long timeout,
                           java.util.concurrent.TimeUnit unit)

Description copied from interface: QueueRing

Offer a new message to the queue. A following wake() will be required because offer does not automatically wake the consumer

Specified by:

offer in interface QueueRing<M>

Specified by:

offer in interface java.util.concurrent.BlockingQueue<M>

Overrides:

offer in class QueueRingBase<M>

Parameters:

value - the next message

timeout - offer timeout

unit - units for the offer timeout

Returns:

true if the offer succeeds

poll

public final M poll(long timeout,
                    java.util.concurrent.TimeUnit unit)

Specified by:

poll in interface java.util.concurrent.BlockingQueue<M>

Overrides:

poll in class QueueRingBase<M>

peek

public final M peek()

Specified by:

peek in interface java.util.Queue<M>

Overrides:

peek in class QueueRingBase<M>

deliver

public void deliver(ActorProcessor<? super M> deliver)
             throws java.lang.Exception

Description copied from interface: QueueRing

Deliver available messages to the delivery handler.

Parameters:

deliver - handler to process the message

Throws:

java.lang.Exception

isWriteClosed

public final boolean isWriteClosed()

pollWake

public final void pollWake()

closeWrite

public final void closeWrite()

shutdown

public final void shutdown()

toString

public java.lang.String toString()

Overrides:

toString in class QueueRingBase<M>