@Override
public final boolean add(final EventType elem, final int timeOut) {
long startTime = System.currentTimeMillis();
do {
if (isFreeLock.compareAndSet(true, false)) {
final RokkaQueue<EventType> tq = actualRokkaQueueRef.get();
if (tq.add(elem)) {
boolean callSignalConsumer = false;
if (signalEnabled.compareAndSet(true, false)) {
callSignalConsumer = true;
}
isFreeLock.set(true);
if (callSignalConsumer) {
signalConsumer.signal(this);
}
return true;
} else {
isFreeLock.set(true);
try {
Thread.yield();
} catch (Exception e) {
e.printStackTrace();
}
}
}
} while (startTime + timeOut > System.currentTimeMillis());
return false;
}
@Override
public final void add(final EventType elem) {
do {
if (isFreeLock.compareAndSet(true, false)) {
final RokkaQueue<EventType> tq = actualRokkaQueueRef.get();
if (tq.add(elem)) {
boolean callSignalConsumer = false;
if (signalEnabled.compareAndSet(true, false)) // && tq.getPosition() == 1
{
callSignalConsumer = true;
}
isFreeLock.set(true);
if (callSignalConsumer) {
signalConsumer.signal(this);
}
return;
} else {
isFreeLock.set(true);
try {
Thread.yield();
} catch (Exception e) {
e.printStackTrace();
}
}
}
} while (true);
}
public final void enabledSignalFromConsumer() {
boolean callSignalConsumer = false;
do {
if (isFreeLock.compareAndSet(true, false)) {
if (signalConsumer != null && !signalEnabled.get()) {
final RokkaQueue<EventType> tq = actualRokkaQueueRef.get();
if (tq.getPosition() > 0) {
callSignalConsumer = true;
} else {
signalEnabled.compareAndSet(false, true);
}
}
isFreeLock.set(true);
break;
}
Thread.yield();
} while (true);
if (callSignalConsumer) {
signalConsumer.signal(this, false);
}
}
