private RateControlledEntity getNextReadyHighPriorityEntity() {
ArrayList<RateControlledEntity> ref = high_priority_entities;
int size = ref.size();
int num_checked = 0;
while (num_checked < size) {
entity_check_count++;
next_high_position = next_high_position >= size ? 0 : next_high_position; // make circular
RateControlledEntity entity = ref.get(next_high_position);
next_high_position++;
num_checked++;
if (entity.canProcess(read_waiter)) { // is ready
return entity;
}
}
return null; // none found ready
}
