/// <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;
}
/// <summary>
/// Constructs a server by de-serializing its OpcUrl from the stream.
/// </summary>
protected TsCAeSubscription(SerializationInfo info, StreamingContext context)
{
state_ = (TsCAeSubscriptionState)info.GetValue(Names.State, typeof(TsCAeSubscriptionState));
subscriptionFilters_ = (TsCAeSubscriptionFilters)info.GetValue(Names.Filters, typeof(TsCAeSubscriptionFilters));
attributes_ = (AttributeDictionary)info.GetValue(Names.Attributes, typeof(AttributeDictionary));
name_ = state_.Name;
categories_ = new CategoryCollection(subscriptionFilters_.Categories.ToArray());
areas_ = new StringCollection(subscriptionFilters_.Areas.ToArray());
sources_ = new StringCollection(subscriptionFilters_.Sources.ToArray());
}
/// <summary>
/// Returns the current state of the subscription.
/// </summary>
/// <returns>The current state of the subscription.</returns>
public TsCAeSubscriptionState GetState()
{
if (_subscription == null)
{
throw new NotConnectedException();
}
_state = _subscription.GetState();
_state.Name = _name;
return((TsCAeSubscriptionState)_state.Clone());
}
///////////////////////////////////////////////////////////////////////
#region ISerializable Members
/// <summary>
/// Contructs a server by de-serializing its OpcUrl from the stream.
/// </summary>
protected TsCAeSubscription(SerializationInfo info, StreamingContext context)
{
_state = (Ae.TsCAeSubscriptionState)info.GetValue(Names.STATE, typeof(Ae.TsCAeSubscriptionState));
_filters = (Ae.TsCAeSubscriptionFilters)info.GetValue(Names.FILTERS, typeof(Ae.TsCAeSubscriptionFilters));
_attributes = (AttributeDictionary)info.GetValue(Names.ATTRIBUTES, typeof(AttributeDictionary));
_name = _state.Name;
_categories = new CategoryCollection(_filters.Categories.ToArray());
_areas = new StringCollection(_filters.Areas.ToArray());
_sources = new StringCollection(_filters.Sources.ToArray());
}
///////////////////////////////////////////////////////////////////////
#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>
/// Changes the state of a subscription.
/// </summary>
/// <param name="masks">A bit mask that indicates which elements of the subscription state are changing.</param>
/// <param name="state">The new subscription state.</param>
/// <returns>The actual subscription state after applying the changes.</returns>
public Ae.TsCAeSubscriptionState ModifyState(int masks, Ae.TsCAeSubscriptionState state)
{
if (_subscription == null)
{
throw new NotConnectedException();
}
_state = _subscription.ModifyState(masks, state);
if ((masks & (int)TsCAeStateMask.Name) != 0)
{
_state.Name = _name = state.Name;
}
else
{
_state.Name = _name;
}
return((Ae.TsCAeSubscriptionState)_state.Clone());
}
/// <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);
}
