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 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 virtual object OnReadValue(int timeout)
{
DateTime time;
if (!this.HasValue)
{
throw new CannotAccessVirtualSymbolException(this);
}
IAccessorValue valueAccessor = (IAccessorValue)this.ValueAccessor;
IAccessorConnection connection = valueAccessor as IAccessorConnection;
if ((timeout >= 0) && (connection != null))
{
using (new AdsTimeoutSetter(connection.Connection, timeout))
{
return(valueAccessor.ReadValue(this, out time));
}
}
return(valueAccessor.ReadValue(this, out time));
}
protected virtual void OnWriteValue(object value, int timeout)
{
DateTime time;
if (!this.HasValue)
{
throw new CannotAccessVirtualSymbolException(this);
}
IAccessorValue valueAccessor = (IAccessorValue)this.ValueAccessor;
IAccessorConnection connection = valueAccessor as IAccessorConnection;
if ((timeout >= 0) && (connection != null))
{
using (new AdsTimeoutSetter(connection.Connection, timeout))
{
valueAccessor.WriteValue(this, value, out time);
return;
}
}
valueAccessor.WriteValue(this, value, out time);
}
