/// <summary>
/// Entry point for progression. Gets called every time when progression
/// - Needs to know if a node has children
/// - Wants to get children for a node
/// - During solution explorer search
/// </summary>
public void BeginGetGraphData(IGraphContext context)
{
JoinableFactory.RunAsync(async() =>
{
try
{
await InitializeAsync();
foreach (Lazy <IDependenciesGraphActionHandler, IOrderPrecedenceMetadataView> handler in _graphActionHandlers)
{
if (handler.Value.TryHandleRequest(context))
{
_changeTracker.RegisterGraphContext(context);
// Only one handler should succeed
return;
}
}
}
catch (Exception ex)
{
context.ReportError(ex);
}
finally
{
// OnCompleted must be called to display changes
context.OnCompleted();
}
});
}