public void OnSearchFlightsCompleted(object sender, SearchCompletedEventArgs eventArgs)
{
try
{
CheckExistsAndInsertToCache();
if (eventArgs != null)
{
if (eventArgs.Results != null)
{
_flightResultsCacheProvider.UpdateResults(SearchKey, eventArgs.Results);
}
else if (eventArgs.Error != null)
{
Logger.LogException(eventArgs.Error, "FlightSearch", "OnSearchFlightsCompleted", Severity.Major);
}
}
}
finally
{
_flightResultsCacheProvider.SetCompleteStatus(SearchKey, IsComplete);
}
}
private void OnSearchCompleted(SearchCompletedEventArgs e)
{
if (SearchFlightsCompleted != null)
{
SearchFlightsCompleted(this, e);
}
}
// This is the method that the underlying, free-threaded
// asynchronous behavior will invoke. This will happen on
// an arbitrary thread.
private void CompletionMethod(
List<AirItinerary> airItineraries,
ISupplier supplier,
Exception exception,
bool canceled,
AsyncOperation asyncOp)
{
// If the task was not previously canceled,
// remove the task from the lifetime collection.
if (!canceled)
{
lock (_userStateToLifetime.SyncRoot)
{
_userStateToLifetime.Remove(asyncOp.UserSuppliedState);
}
}
// Package the results of the operation in a
// SearchCompletedEventArgs.
var e =
new SearchCompletedEventArgs(
airItineraries,
supplier,
exception,
canceled,
asyncOp.UserSuppliedState);
// End the task. The asyncOp object is responsible
// for marshaling the call.
asyncOp.PostOperationCompleted(_onCompletedDelegate, e);
// Note that after the call to OperationCompleted,
// asyncOp is no longer usable, and any attempt to use it
// will cause an exception to be thrown.
}
