/// <summary>
/// Initializes object with default values.
/// </summary>
public TsCAeSubscription(TsCAeServer server, ITsCAeSubscription subscription, TsCAeSubscriptionState state)
{
server_ = server ?? throw new ArgumentNullException(nameof(server));
subscription_ = subscription ?? throw new ArgumentNullException(nameof(subscription));
state_ = (TsCAeSubscriptionState)state.Clone();
name_ = state.Name;
}
///////////////////////////////////////////////////////////////////////
#region Constructors, Destructor, Initialization
/// <summary>
/// Initializes object with default values.
/// </summary>
public TsCAeSubscription(TsCAeServer server, ITsCAeSubscription subscription, TsCAeSubscriptionState state)
{
if (server == null)
{
throw new ArgumentNullException("server");
}
if (subscription == null)
{
throw new ArgumentNullException("subscription");
}
_server = server;
_subscription = subscription;
_state = (Ae.TsCAeSubscriptionState)state.Clone();
_name = state.Name;
}
/// <summary>
/// Establishes a subscription based on the template provided.
/// </summary>
private TsCAeSubscription EstablishSubscription(TsCAeSubscription template)
{
ITsCAeSubscription remoteServer = null;
try
{
// create remote object.
remoteServer = ((ITsCAeServer)Server).CreateSubscription(template.State);
if (remoteServer == null)
{
return(null);
}
// create wrapper.
TsCAeSubscription subscription = new TsCAeSubscription(this, remoteServer, template.State);
// set filters.
subscription.SetFilters(template.Filters);
// set attributes.
IDictionaryEnumerator enumerator = template.Attributes.GetEnumerator();
while (enumerator.MoveNext())
{
if (enumerator.Key != null)
{
subscription.SelectReturnedAttributes(
(int)enumerator.Key,
((TsCAeSubscription.AttributeCollection)enumerator.Value).ToArray());
}
}
// return new subscription
return(subscription);
}
catch
{
if (remoteServer != null)
{
remoteServer.Dispose();
}
}
// return null.
return(null);
}
/// <summary>
/// Creates a new event subscription.
/// </summary>
/// <param name="state">The initial state for the subscription.</param>
/// <returns>The new subscription object.</returns>
public ITsCAeSubscription CreateSubscription(Ae.TsCAeSubscriptionState state)
{
if (_server == null)
{
throw new NotConnectedException();
}
// create remote object.
ITsCAeSubscription subscription = ((ITsCAeServer)_server).CreateSubscription(state);
if (subscription != null)
{
// create wrapper.
Ae.TsCAeSubscription wrapper = new Ae.TsCAeSubscription(this, subscription, state);
_subscriptions.Add(wrapper);
return(wrapper);
}
// should never happen.
return(null);
}
/// <summary>
/// Creates a new event subscription.
/// </summary>
/// <param name="state">The initial state for the subscription.</param>
/// <returns>The new subscription object.</returns>
public ITsCAeSubscription CreateSubscription(TsCAeSubscriptionState state)
{
LicenseHandler.ValidateFeatures(LicenseHandler.ProductFeature.AlarmsConditions);
if (Server == null)
{
throw new NotConnectedException();
}
// create remote object.
ITsCAeSubscription subscription = ((ITsCAeServer)Server).CreateSubscription(state);
if (subscription != null)
{
// create wrapper.
var wrapper = new TsCAeSubscription(this, subscription, state);
subscriptions_.Add(wrapper);
return(wrapper);
}
// should never happen.
return(null);
}