E - type of the element stored in the Queuepublic class MpscSequencedArrayQueue<E> extends MpscSequencedArrayQueueConsumerField<E>
MpmcArrayQueue but with the
appropriate weakening of constraints on offer. The trade off does not seem worth while compared to the simpler
MpscArrayQueue.MessagePassingQueue.Consumer<T>, MessagePassingQueue.ExitCondition, MessagePassingQueue.Supplier<T>, MessagePassingQueue.WaitStrategy| Modifier and Type | Field and Description |
|---|---|
(package private) long |
p30 |
(package private) long |
p31 |
(package private) long |
p32 |
(package private) long |
p33 |
(package private) long |
p34 |
(package private) long |
p35 |
(package private) long |
p36 |
(package private) long |
p37 |
(package private) long |
p40 |
(package private) long |
p41 |
(package private) long |
p42 |
(package private) long |
p43 |
(package private) long |
p44 |
(package private) long |
p45 |
(package private) long |
p46 |
consumerIndexp20, p21, p22, p23, p24, p25, p26p10, p11, p12, p13, p14, p15, p16SEQ_BUFFER_PAD, sequenceBufferbuffer, maskp01, p02, p03, p04, p05, p06, p07, p17UNBOUNDED_CAPACITY| Constructor and Description |
|---|
MpscSequencedArrayQueue(int capacity) |
| Modifier and Type | Method and Description |
|---|---|
int |
drain(MessagePassingQueue.Consumer<E> c)
Remove all available item from the queue and hand to consume.
|
int |
drain(MessagePassingQueue.Consumer<E> c,
int limit)
Remove up to limit elements from the queue and hand to consume.
|
void |
drain(MessagePassingQueue.Consumer<E> c,
MessagePassingQueue.WaitStrategy wait,
MessagePassingQueue.ExitCondition exit)
Remove elements from the queue and hand to consume forever.
|
int |
fill(MessagePassingQueue.Supplier<E> s)
Stuff the queue with elements from the supplier.
|
int |
fill(MessagePassingQueue.Supplier<E> s,
int limit)
Stuff the queue with up to limit elements from the supplier.
|
void |
fill(MessagePassingQueue.Supplier<E> s,
MessagePassingQueue.WaitStrategy wait,
MessagePassingQueue.ExitCondition exit)
Stuff the queue with elements from the supplier forever.
|
boolean |
offer(E e)
Called from a producer thread subject to the restrictions appropriate to the implementation and
according to the
Queue.offer(Object) interface. |
E |
peek()
Called from the consumer thread subject to the restrictions appropriate to the implementation and
according to the
Queue.peek() interface. |
E |
poll()
Called from the consumer thread subject to the restrictions appropriate to the implementation and
according to the
Queue.poll() interface. |
boolean |
relaxedOffer(E message)
Called from a producer thread subject to the restrictions appropriate to the implementation.
|
E |
relaxedPeek()
Called from the consumer thread subject to the restrictions appropriate to the implementation.
|
E |
relaxedPoll()
Called from the consumer thread subject to the restrictions appropriate to the implementation.
|
lpConsumerIndex, lvConsumerIndex, soConsumerIndexcasProducerIndex, lvProducerIndexcalcSequenceOffset, calcSequenceOffset, lvSequence, soSequencecalcElementOffset, calcElementOffset, capacity, clear, currentConsumerIndex, currentProducerIndex, isEmpty, iterator, size, toStringcontains, containsAll, remove, removeAll, retainAll, toArray, toArrayclone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, waitlong p40
long p41
long p42
long p43
long p44
long p45
long p46
long p30
long p31
long p32
long p33
long p34
long p35
long p36
long p37
public boolean offer(E e)
MessagePassingQueueQueue.offer(Object) interface.e - not null, will throw NPE if it ispublic E poll()
MessagePassingQueueQueue.poll() interface.public E peek()
MessagePassingQueueQueue.peek() interface.public boolean relaxedOffer(E message)
MessagePassingQueueQueue.offer(Object) this method may return false without the queue being full.message - not null, will throw NPE if it ispublic E relaxedPoll()
MessagePassingQueueQueue.poll() this method may return null without the queue being empty.public E relaxedPeek()
MessagePassingQueueQueue.peek() this method may return null without the queue being empty.public int drain(MessagePassingQueue.Consumer<E> c)
MessagePassingQueue
M m;
while((m = relaxedPoll()) != null){
c.accept(m);
}
There's no strong commitment to the queue being empty at the end of a drain. Called from a
consumer thread subject to the restrictions appropriate to the implementation.public int fill(MessagePassingQueue.Supplier<E> s)
MessagePassingQueue
while(relaxedOffer(s.get());
There's no strong commitment to the queue being full at the end of a fill. Called from a
producer thread subject to the restrictions appropriate to the implementation.public int drain(MessagePassingQueue.Consumer<E> c, int limit)
MessagePassingQueue
M m;
int i = 0;
for(;i < limit && (m = relaxedPoll()) != null; i++){
c.accept(m);
}
return i;
There's no strong commitment to the queue being empty at the end of a drain. Called from a consumer thread subject to the restrictions appropriate to the implementation.
public int fill(MessagePassingQueue.Supplier<E> s, int limit)
MessagePassingQueue
for(int i=0; i < limit && relaxedOffer(s.get()); i++);
There's no strong commitment to the queue being full at the end of a fill. Called from a producer thread subject to the restrictions appropriate to the implementation.
public void drain(MessagePassingQueue.Consumer<E> c, MessagePassingQueue.WaitStrategy wait, MessagePassingQueue.ExitCondition exit)
MessagePassingQueue
int idleCounter = 0;
while (exit.keepRunning()) {
E e = relaxedPoll();
if(e==null){
idleCounter = wait.idle(idleCounter);
continue;
}
idleCounter = 0;
c.accept(e);
}
Called from a consumer thread subject to the restrictions appropriate to the implementation.
public void fill(MessagePassingQueue.Supplier<E> s, MessagePassingQueue.WaitStrategy wait, MessagePassingQueue.ExitCondition exit)
MessagePassingQueue
int idleCounter = 0;
while (exit.keepRunning()) {
E e = s.get();
while (!relaxedOffer(e)) {
idleCounter = wait.idle(idleCounter);
continue;
}
idleCounter = 0;
}
Called from a producer thread subject to the restrictions appropriate to the implementation.