public String getInterfaceId() {

        if (StringUtils.isNotBlank(virtualInterfaceId)) {
            return virtualInterfaceId;
        } else {
            return interfaceId;
        }
    }
Sets uniqueId.

@param uniqueId the uniqueId
@return this unique id
core/api/src/main/java/com/alipay/sofa/rpc/config/AbstractInterfaceConfig.java