internal static IAccessorValue createValueAccessor(IAdsConnection connection, SymbolLoaderSettings settings)
{
IAccessorValue value2 = null;
AdsValueAccessor inner = null;
IAccessorValueFactory valueFactory = null;
if (settings.SymbolsLoadMode == SymbolsLoadMode.DynamicTree)
{
valueFactory = new DynamicValueFactory(settings.ValueCreation);
inner = new AdsValueAccessor(connection, settings.ValueAccessMode, valueFactory, NotificationSettings.Default);
value2 = new DynamicValueAccessor(inner, valueFactory, settings.ValueCreation);
}
else
{
valueFactory = new ValueFactory(settings.ValueCreation);
inner = new AdsValueAccessor(connection, settings.ValueAccessMode, valueFactory, NotificationSettings.Default);
value2 = inner;
}
IAccessorValueFactory2 factory2 = valueFactory as IAccessorValueFactory2;
if (valueFactory != null)
{
factory2.SetValueAccessor(value2);
}
inner.AutomaticReconnection = settings.AutomaticReconnection;
return(value2);
}
public static IObservable <SymbolNotification> WhenNotification(this IAdsConnection client, ISymbolCollection symbols, NotificationSettings settings)
{
if (symbols == null)
{
throw new ArgumentNullException("symbols");
}
ISymbol local1 = Enumerable.FirstOrDefault <ISymbol>(symbols);
if (local1 == null)
{
throw new ArgumentOutOfRangeException("Symbols list is empty!", "symbols");
}
IValueSymbol symbol = local1 as IValueSymbol;
if (symbol == null)
{
throw new ArgumentOutOfRangeException("Symbols in list are not IValueSymbol", "symbols");
}
IAccessorValueFactory valueFactory = symbol.ValueAccessor.ValueFactory;
IDisposableSymbolHandleBag bag = null;
object userData = new object();
return(Observable.Where <SymbolNotification>(Observable.Select <EventPattern <AdsNotificationEventArgs>, SymbolNotification>(Observable.Where <EventPattern <AdsNotificationEventArgs> >(Observable.FromEventPattern <AdsNotificationEventHandler, AdsNotificationEventArgs>(delegate(AdsNotificationEventHandler h) {
client.AdsNotification += h;
bag = new DisposableNotificationHandleBag(client, symbols, settings, userData);
}, delegate(AdsNotificationEventHandler h) {
bag.Dispose();
bag = null;
client.AdsNotification -= h;
}), ev => bag.Contains((uint)ev.get_EventArgs().NotificationHandle)), ev => new SymbolNotification(ev.get_EventArgs(), bag.GetSymbol((uint)ev.get_EventArgs().NotificationHandle), valueFactory)), s => symbols.Contains(s.Symbol)));
}
public static IObservable <SymbolNotification> WhenNotification(this IAdsConnection client, ISymbol symbol, NotificationSettings settings)
{
if (symbol == null)
{
throw new ArgumentNullException("symbol");
}
if (symbol == null)
{
throw new ArgumentOutOfRangeException("Symbol is not an IValueSymbol", "symbol");
}
List <ISymbol> symbols = new List <ISymbol> {
symbol
};
IDisposableSymbolHandleBag bag = null;
IAccessorValueFactory fac = ((IAccessorValue)(symbol as IValueSymbol).ValueAccessor).ValueFactory;
object userData = new object();
return(Observable.Select <EventPattern <AdsNotificationEventArgs>, SymbolNotification>(Observable.Where <EventPattern <AdsNotificationEventArgs> >(Observable.FromEventPattern <AdsNotificationEventHandler, AdsNotificationEventArgs>(delegate(AdsNotificationEventHandler h) {
client.AdsNotification += h;
bag = new DisposableNotificationHandleBag(client, symbols, settings, userData);
}, delegate(AdsNotificationEventHandler h) {
bag.Dispose();
bag = null;
client.AdsNotification -= h;
}), ev => bag.Contains((uint)ev.get_EventArgs().NotificationHandle)), ev => new SymbolNotification(ev.get_EventArgs(), bag.GetSymbol((uint)ev.get_EventArgs().NotificationHandle), fac)));
}
protected ValueAccessor(IAccessorValueFactory factory, ISession session)
{
if (factory == null)
{
throw new ArgumentNullException("factory");
}
this.session = session;
this.connection = null;
this.valueFactory = factory;
}
public DynamicValueAccessor(IAccessorValue inner, IAccessorValueFactory factory, ValueCreationMode mode) : base(factory, ((ValueAccessor)inner).Connection)
{
this._mode = ValueCreationMode.Default;
this._mode = mode;
this._inner = inner;
IAccessorNotification notification = inner as IAccessorNotification;
if (notification != null)
{
base._notificationSettings = notification.DefaultNotificationSettings;
}
}
protected ValueAccessor(IAccessorValueFactory factory, IConnection connection)
{
if (factory == null)
{
throw new ArgumentNullException("factory");
}
if (connection == null)
{
throw new ArgumentNullException("adsClient");
}
if (!connection.IsConnected)
{
throw new ClientNotConnectedException();
}
if (connection.Session != null)
{
this.session = connection.Session;
}
else
{
this.connection = connection;
}
this.valueFactory = factory;
}
internal DynamicReferenceValue(IDynamicSymbol symbol, byte[] data, int offset, DateTime timeStamp, IAccessorValueFactory factory) : base(symbol, data, offset, timeStamp, factory)
{
}
protected RpcNotificationAccessorBase(IAccessorValueFactory valueFactory, ISession session, INotificationSettings defaultSettings) : base(valueFactory, session)
{
this._notificationSettings = defaultSettings;
}
protected RpcNotificationAccessorBase(IAccessorValueFactory valueFactory, ISession session) : base(valueFactory, session)
{
}
protected RpcNotificationAccessorBase(IAccessorValueFactory valueFactory, IConnection connection) : base(valueFactory, connection)
{
}
internal SymbolNotification(AdsNotificationEventArgs args, ISymbol symbol, IAccessorValueFactory valueFactory) : base(args)
{
this._valueFactory = valueFactory;
this._symbol = symbol;
}
internal AdsValueAccessor(IAdsConnection connection, ValueAccessMode accessMethod, IAccessorValueFactory valueFactory, NotificationSettings defaultSettings) : base(valueFactory, connection, defaultSettings)
{
this._converter = new DynamicValueConverter();
this._syncNotification = new object();
this._accessMethod = ValueAccessMode.IndexGroupOffsetPreferred;
this._notificationTable = new AdsNotificationCache();
this._notificationStream = new AdsStream();
this._address = connection.Address;
this._accessMethod = accessMethod;
base._notificationSettings = defaultSettings;
connection.AdsNotification += new AdsNotificationEventHandler(this.adsClient_AdsNotification);
connection.AdsNotificationError += new AdsNotificationErrorEventHandler(this.adsClient_AdsNotificationError);
}
protected AdsValueAccessorBase(IAccessorValueFactory valueFactory, ISession session, NotificationSettings settings) : base(valueFactory, session, settings)
{
}
protected AdsValueAccessorBase(IAccessorValueFactory valueFactory, IConnection connection, NotificationSettings settings) : base(valueFactory, connection, settings)
{
}
