/**
* Remove an active operation.
*
* @param id the operation id
* @return the removed active operation, {@code null} if there was no registered operation
*/
private ActiveOperation<T, A> removeActiveOperation(final Integer id) {
lock.lock();
try {
final ActiveOperation<T, A> removed = activeRequests.remove(id);
if (removed != null) {
activeCount--;
operationIdManager.freeBatchId(id);
condition.signalAll();
}
return removed;
} finally {
lock.unlock();
}
}
