public static DataReaderObservableRunner RunAsync(IDbCommand command, IObserver<IDictionary<string, object>> observer)
{
var instance = new DataReaderObservableRunner(command, observer);
var asyncAction = new Action(instance.Run);
asyncAction.BeginInvoke(asyncAction.EndInvoke, null);
return instance;
}
public static DataReaderObservableRunner RunAsync(IDbCommand command, IObserver <IDictionary <string, object> > observer)
{
var instance = new DataReaderObservableRunner(command, observer);
var asyncAction = new Action(instance.Run);
asyncAction.BeginInvoke(asyncAction.EndInvoke, null);
return(instance);
}
private static DataReaderObservableRunner CreateInstance(IDbCommand command, IObserver <IDictionary <string, object> > observer)
{
lock (StaticSync)
{
if (!RunnerCache.Contains(command))
{
var instance = new DataReaderObservableRunner(command, observer);
RunnerCache.Add(command, instance);
return(instance);
}
}
return(null);
}
private static DataReaderObservableRunner CreateInstance(IDbCommand command, IObserver<IDictionary<string, object>> observer)
{
lock (StaticSync)
{
if (!RunnerCache.Contains(command))
{
var instance = new DataReaderObservableRunner(command, observer);
RunnerCache.Add(command, instance);
return instance;
}
}
return null;
}
public static DataReaderObservableRunner RunAsync(IDbCommand command, IObserver <IDictionary <string, object> > observer)
{
DataReaderObservableRunner instance = null;
if (!RunnerCache.Contains(command))
{
instance = CreateInstance(command, observer);
}
if (instance == null)
{
instance = new CachedRunner(RunnerCache.Get(command), observer);
}
var asyncAction = new Action(instance.Run);
asyncAction.BeginInvoke(asyncAction.EndInvoke, null);
return(instance);
}
public CachedRunner(DataReaderObservableRunner original, IObserver <IDictionary <string, object> > observer)
{
_original = original;
_newObserver = observer;
}
/// <summary>
/// Notifies the provider that an observer is to receive notifications.
/// </summary>
/// <returns>
/// The observer's interface that enables resources to be disposed.
/// </returns>
/// <param name="observer">The object that is to receive notifications.</param>
public IDisposable Subscribe(IObserver <IDictionary <string, object> > observer)
{
return(DataReaderObservableRunner.RunAsync(_command, observer));
}
public CachedRunner(DataReaderObservableRunner original, IObserver<IDictionary<string, object>> observer)
{
_original = original;
_newObserver = observer;
}