class FlowClassifierManager extends AbstractListenerManager<FlowClassifierEvent, FlowClassifierListener> implements FlowClassifierService {

    @Override
    public boolean removeFlowClassifier(FlowClassifierId id) {
        checkNotNull(id, FLOW_CLASSIFIER_ID_NOT_NULL);
        flowClassifierStore.remove(id);
        if (flowClassifierStore.containsKey(id)) {
            log.debug("The Flow Classifier removal is failed whose identifier is {}", id.toString());
            return false;
        }
        return true;
    }

}