/**
* @param ev
* @return
*/
private final void decrementSyncCounter(Event ev) {
final Object source = ev._ev.getSource();
synchronized (_sourcesEventCount) {
final SynchronizedLimitedInt sli = (SynchronizedLimitedInt) _sourcesEventCount.get(source);
if (sli != null && sli.decrement() <= 0) {
_sourcesEventCount.remove(source);
sli.destroy();
}
}
}
/**
* @param ev
* @return
*/
private final void incrementSyncCounter(Event ev, boolean doNotBlock) {
final Object source = ev._ev.getSource();
SynchronizedLimitedInt sli;
synchronized (_sourcesEventCount) {
// NOTE: hash code of source should not change !!!
sli = (SynchronizedLimitedInt) _sourcesEventCount.get(source);
if (sli == null) {
_sourcesEventCount.put(source, new SynchronizedLimitedInt(1, _limit));
return;
}
}
// this will block when limit is reached
// (NOTE: it might happen that sli is removed/destroyed here)
sli.increment(doNotBlock);
}
