public Integer getAndIncrementDomainNums(final String domain) {
        AtomicInteger count = DOMAIN_NUMS_MAP.computeIfAbsent(domain, k -> new AtomicInteger(0));
        return count.getAndIncrement();
    }
Get and increment the number of the ingress that enables the domain name to take effect.

@param domain tls domain
@return the previous number of the ingress that enables the domain name to take effect
shenyu-kubernetes-controller/src/main/java/org/apache/shenyu/k8s/cache/IngressSecretCache.java