public DataBaseCollection(CremaHost cremaHost, string address, string dataBase, ServiceInfo serviceInfo)
{
this.cremaHost = cremaHost;
this.userContext = cremaHost.UserContext;
this.serviceDispatcher = new CremaDispatcher(this);
var metaData = this.serviceDispatcher.Invoke(() =>
{
this.service = DataBaseCollectionServiceFactory.CreateServiceClient(address, serviceInfo, this);
this.service.Open();
if (this.service is ICommunicationObject service)
{
service.Faulted += Service_Faulted;
}
ResultBase <DataBaseCollectionMetaData> result;
result = dataBase == null
? this.service.Subscribe(cremaHost.AuthenticationToken)
: this.service.SubscribeDataBase(cremaHost.AuthenticationToken, dataBase);
result.Validate();
#if !DEBUG
this.timer = new Timer(30000);
this.timer.Elapsed += Timer_Elapsed;
this.timer.Start();
#endif
return(result.Value);
});
this.Initialize(metaData);
this.CremaHost.AddService(this);
}
void IDataBaseCollectionServiceCallback.OnServiceClosed(SignatureDate signatureDate, CloseInfo closeInfo)
{
this.service.Abort();
this.service = null;
this.timer?.Dispose();
this.timer = null;
this.serviceDispatcher.Dispose();
this.serviceDispatcher = null;
this.InvokeAsync(() =>
{
this.CremaHost.RemoveService(this);
}, nameof(IDataBaseCollectionServiceCallback.OnServiceClosed));
}
private void Service_Faulted(object sender, EventArgs e)
{
this.serviceDispatcher.Invoke(() =>
{
try
{
this.service.Abort();
this.service = null;
}
catch
{
}
this.timer?.Dispose();
this.timer = null;
this.serviceDispatcher.Dispose();
this.serviceDispatcher = null;
});
this.InvokeAsync(() =>
{
this.CremaHost.RemoveService(this);
}, nameof(Service_Faulted));
}
public void Close(CloseInfo closeInfo)
{
this.serviceDispatcher?.Invoke(() =>
{
this.timer?.Dispose();
this.timer = null;
if (this.service != null)
{
try
{
if (closeInfo.Reason != CloseReason.NoResponding)
{
this.service.Unsubscribe();
if (Environment.OSVersion.Platform == PlatformID.Win32NT)
{
this.service.Close();
}
else
{
this.service.Abort();
}
}
else
{
this.service.Abort();
}
}
catch
{
this.service.Abort();
}
this.service = null;
}
this.serviceDispatcher.Dispose();
this.serviceDispatcher = null;
});
}
