SubscriberManagerConfig.java 文件源码

@Bean(autowire = Autowire.BY_TYPE, name = "ctu.upns.subscriberManager")
public SubscriberManager instance() {

    if (subscriberManager != null) {
        return subscriberManager;
    }

    switch (service_type) {
        case "memory":
            subscriberManager = new MemSubscriberManager();
            return subscriberManager;
        case "mongo":
            return null;
        default:
            throw new IllegalArgumentException(String.format("invalid service type", service_type));
    }

}