public T FindAnyCafeService <T>(Predicate <T> serviceFilter, [CallerFilePath] string callerFilePath = null, [CallerMemberName] string memberName = null, [CallerLineNumber] int callerFileLine = 0) where T : Service
{
Func <Service, T> func = null;
ServiceTopologyLog.Instance.Append(callerFilePath, memberName, callerFileLine);
if (serviceFilter == null)
{
throw new ArgumentNullException("serviceFilter");
}
ServiceType serviceType = ServiceTopology.ServiceTypeMapper <T> .GetServiceType();
List <Service> list = null;
if (this.cafeServices.TryGetValue(serviceType, out list) && list != null && list.Count > 0)
{
IEnumerable <Service> source = from service in list
where serviceFilter((T)((object)service))
select service;
if (func == null)
{
func = ((Service service) => (T)((object)service));
}
List <T> list2 = source.Select(func).ToList <T>();
if (list2.Count > 0)
{
int index = ServiceTopology.Random.Next(list2.Count);
return(list2[index]);
}
}
ServiceCache.TriggerCacheRefreshDueToCacheMiss(this);
return(default(T));
}
public Site GetSite(string serverFullyQualifiedDomainName, [CallerFilePath] string callerFilePath = null, [CallerMemberName] string memberName = null, [CallerLineNumber] int callerFileLine = 0)
{
ServiceTopologyLog.Instance.Append(callerFilePath, memberName, callerFileLine);
Site result;
if (this.serverToSiteDictionary.TryGetValue(serverFullyQualifiedDomainName, out result))
{
return(result);
}
if (this.serversWithoutSite.Contains(serverFullyQualifiedDomainName))
{
ExTraceGlobals.ServiceDiscoveryTracer.TraceDebug <string>((long)this.GetHashCode(), "ServiceTopology::FindServices. The server does not have a site defined. Server = {0}.", serverFullyQualifiedDomainName);
throw new ServerNotInSiteException(ServerStrings.ExServerNotInSite(serverFullyQualifiedDomainName), serverFullyQualifiedDomainName);
}
ExTraceGlobals.ServiceDiscoveryTracer.TraceDebug <string>((long)this.GetHashCode(), "ServiceTopology::FindServices. The server we are accessing is not found in the Topology. Server = {0}.", serverFullyQualifiedDomainName);
ServiceCache.TriggerCacheRefreshDueToCacheMiss(this);
throw new ServerNotFoundException(ServerStrings.ExServerNotFound(serverFullyQualifiedDomainName), serverFullyQualifiedDomainName);
}