public override Collection <RegisterMeta> lookup(ServiceMeta serviceMeta)
{
string directory = $"/meou/provider/{serviceMeta.getGroup()}/{serviceMeta.getName()}/{serviceMeta.getVersion()}";
List <RegisterMeta> registerMetaList = new List <RegisterMeta>();
try
{
var children = configClient.GetChildrenAsync(directory).ConfigureAwait(false).GetAwaiter().GetResult();
foreach (string p in children)
{
registerMetaList.Add(parseRegisterMeta($"{directory}/{p}"));
}
}
catch (Exception e)
{
if (logger.IsEnabled(LogLevel.Warning))
{
logger.LogWarning($"Lookup service meta: {serviceMeta} path failed, {e}.");
}
}
return(new Collection <RegisterMeta>(registerMetaList));
}
protected override void doSubscribe(ServiceMeta serviceMeta)
{
string directory = $"/meou/provider/{serviceMeta.getGroup()}/{serviceMeta.getName()}/{serviceMeta.getVersion()}";
IZKChildListener childListener = new ZKChildListener();
childListener.ChildChangeHandler = (parentPath, currentChilds) =>
{
var list = new List <RegisterMeta>(currentChilds.Count);
RegisterMeta temp = null;
foreach (var child in currentChilds)
{
temp = parseRegisterMeta($"{parentPath}/{child}");
list.Add(temp);
}
notify(serviceMeta, list);
return(Task.CompletedTask);
};
//childListener.ChildCountChangedHandler = async (parentPath, currentChilds) =>
//{
// await notify(serviceMeta, NotifyEvent.CHILD_ADDED, 1L, new List<RegisterMeta>());
//};
configClient.SubscribeChildChanges(directory, childListener);
}