Examples with EventListener com.alibaba.nacos.api.naming.listener.EventListener used on opensource projects

Example 1 with EventListener

use of com.alibaba.nacos.api.naming.listener.EventListener in project dubbo by alibaba.

the class NacosRegistry method unsubscribeEventListener.

private void unsubscribeEventListener(String serviceName, final URL url, final NotifyListener listener) throws NacosException {
    ConcurrentMap<NotifyListener, EventListener> notifyListenerEventListenerConcurrentMap = nacosListeners.get(url);
    if (notifyListenerEventListenerConcurrentMap == null) {
        return;
    }
    EventListener nacosListener = notifyListenerEventListenerConcurrentMap.get(listener);
    if (nacosListener == null) {
        return;
    }
    namingService.unsubscribe(serviceName, getUrl().getParameter(GROUP_KEY, Constants.DEFAULT_GROUP), nacosListener);
}

Example 2 with EventListener

use of com.alibaba.nacos.api.naming.listener.EventListener in project dubbo by alibaba.

the class NacosRegistry method subscribeEventListener.

private void subscribeEventListener(String serviceName, final URL url, final NotifyListener listener) throws NacosException {
    ConcurrentMap<NotifyListener, EventListener> listeners = nacosListeners.computeIfAbsent(url, k -> new ConcurrentHashMap<>());
    EventListener nacosListener = listeners.computeIfAbsent(listener, k -> {
        EventListener eventListener = event -> {
            if (event instanceof NamingEvent) {
                NamingEvent e = (NamingEvent) event;
                List<Instance> instances = e.getInstances();
                if (isServiceNamesWithCompatibleMode(url)) {
                    // Get all instances with corresponding serviceNames to avoid instance overwrite and but with empty instance mentioned
                    // in https://github.com/apache/dubbo/issues/5885 and https://github.com/apache/dubbo/issues/5899
                    NacosInstanceManageUtil.initOrRefreshServiceInstanceList(serviceName, instances);
                    instances = NacosInstanceManageUtil.getAllCorrespondingServiceInstanceList(serviceName);
                }
                notifySubscriber(url, listener, instances);
            }
        };
        return eventListener;
    });
    namingService.subscribe(serviceName, getUrl().getParameter(GROUP_KEY, Constants.DEFAULT_GROUP), nacosListener);
}