@Override
protected void doNext(final T value) {
int index;
for (; ; ) {
index = this.index + 1;
if (INDEX.compareAndSet(this, index - 1, index)) {
break;
}
}
if (index == 1) {
timespanRegistration = timer.schedule(flushTask, timespan, TimeUnit.MILLISECONDS);
if (first) {
firstCallback(value);
}
}
nextCallback(value);
if (this.index % batchSize == 0) {
this.index = 0;
if (timespanRegistration != null) {
timespanRegistration.dispose();
timespanRegistration = null;
}
flushCallback(value);
}
}
void doTerminate() {
timer.shutdown();
}