How to use

addListener

method

in

org.apache.curator.x.discovery.ServiceCache

@Override
public void start(long millisToWait) throws Exception {
 logger.debug("Starting ZKClusterCoordination.");
 discovery.start();
 if (millisToWait != 0) {
  boolean success = this.initialConnection.await(millisToWait,
    TimeUnit.MILLISECONDS);
  if (!success) {
   throw new IOException(String.format(
     "Failure to connect to the zookeeper cluster service within the allotted time of %d milliseconds.",
     millisToWait));
  }
 } else {
  this.initialConnection.await();
 }
 serviceCache = discovery.serviceCacheBuilder().name(serviceName).build();
 serviceCache.addListener(new EndpointListener());
 serviceCache.start();
 updateEndpoints();
}

@Override
public void start() throws Exception {
 serviceCache.start();
 serviceCache.addListener(new EndpointListener());
 updateEndpoints();
}

@Override
public void start(long millisToWait) throws Exception {
 logger.debug("Starting ZKClusterCoordination.");
 discovery.start();
 if(millisToWait != 0) {
  boolean success = this.initialConnection.await(millisToWait, TimeUnit.MILLISECONDS);
  if (!success) {
   throw new IOException(String.format("Failure to connect to the zookeeper cluster service within the allotted time of %d milliseconds.", millisToWait));
  }
 }else{
  this.initialConnection.await();
 }
 serviceCache = discovery
   .serviceCacheBuilder()
   .name(serviceName)
   .build();
 serviceCache.addListener(new EndpointListener());
 serviceCache.start();
 updateEndpoints();
}

    .build();
serviceProvider.start();
serviceProvider.serviceCache().addListener(new ServiceCacheListener<NodeStatus>() {
  @Override
  public void cacheChanged() {

@Override
public void registerDependencyRegistrationHooks() {
  for (ZookeeperDependency zookeeperDependency : this.zookeeperDependencies.getDependencyConfigurations()) {
    String dependencyPath = zookeeperDependency.getPath();
    ServiceCache<?> serviceCache = getServiceDiscovery()
        .serviceCacheBuilder().name(dependencyPath).build();
    try {
      serviceCache.start();
    }
    catch (Exception e) {
      ReflectionUtils.rethrowRuntimeException(e);
    }
    this.dependencyPresenceOnStartupVerifier.verifyDependencyPresence(dependencyPath, serviceCache, zookeeperDependency.isRequired());
    this.dependencyRegistry.put(dependencyPath, serviceCache);
    serviceCache.addListener(new DependencyStateChangeListenerRegistry(this.listeners, dependencyPath, serviceCache));
  }
}

serviceCache.addListener(listener);
serviceCache.start();