class FabricTopicAdmin implements IEventTopic {

    @Override
    public boolean close(String topic, String channelName) throws BrokerException {
        log.info("close topic: {} channelName: {}", topic, channelName);

        ParamCheckUtils.validateTopicName(topic);
        validateChannelName(channelName);

        if (exist(topic, channelName)) {
            return true;
        }

        throw new BrokerException(ErrorCode.TOPIC_NOT_EXIST);
    }

    public  FabricTopicAdmin(FabricDelegate fabricDelegate);

}