/// <summary>
/// Notifies the observer of a new value in the sequence. It's best to override Dispatch or TreatRow than this method because this method contains pipelining logic.
/// </summary>
public override void Trigger()
{
try
{
_activator.UseCommand(currentCommand =>
{
if (_activator.Prepare != null)
{
_activator.Prepare(currentCommand, null);
}
log4net.LogManager.GetLogger(this.GetType()).Info(DisplayName + " Execute command " + currentCommand.CommandText);
if (_activator.IsQuery)
{
using (IDataReader reader = currentCommand.ExecuteReader())
{
while (reader.Read())
{
try
{
Observers.PropagateOnNext(_activator.CreateRowFromReader(reader));
}
catch (Exception ex)
{
if (_activator.FailOnError)
{
throw;
}
log4net.LogManager.GetLogger(this.GetType()).Warn("Non blocking operation error", ex);
}
}
}
}
else
{
currentCommand.ExecuteNonQuery();
}
});
}
catch (Exception ex)
{
log4net.LogManager.GetLogger(this.GetType()).Error("Operation error", ex);
Observers.PropagateOnError(ex);
}
finally
{
_activator.Release();
}
Completed = true;
Observers.PropagateOnCompleted();
}
/// <summary>
/// Notifies the observers of the end of the sequence.
/// </summary>
public override void OnCompleted()
{
_activator.Release();
base.OnCompleted();
}
