private async Task<ActivationData> CallGrainDeactivateAndCleanupStreams(ActivationData activation)
{
try
{
var grainTypeName = activation.GrainInstanceType.FullName;
// Note: This call is being made from within Scheduler.Queue wrapper, so we are already executing on worker thread
if (logger.IsVerbose) logger.Verbose(ErrorCode.Catalog_BeforeCallingDeactivate, "About to call {1} grain's OnDeactivateAsync() method {0}", activation, grainTypeName);
// Call OnDeactivateAsync inline, but within try-catch wrapper to safely capture any exceptions thrown from called function
try
{
// just check in case this activation data is already Invalid or not here at all.
ActivationData ignore;
if (TryGetActivationData(activation.ActivationId, out ignore) &&
activation.State == ActivationState.Deactivating)
{
await activation.GrainInstance.OnDeactivateAsync();
}
if (logger.IsVerbose) logger.Verbose(ErrorCode.Catalog_AfterCallingDeactivate, "Returned from calling {1} grain's OnDeactivateAsync() method {0}", activation, grainTypeName);
}
catch (Exception exc)
{
logger.Error(ErrorCode.Catalog_ErrorCallingDeactivate,
string.Format("Error calling grain's OnDeactivateAsync() method - Grain type = {1} Activation = {0}", activation, grainTypeName), exc);
}
if (activation.IsUsingStreams)
{
try
{
await activation.DeactivateStreamResources();
}
catch (Exception exc)
{
logger.Warn(ErrorCode.Catalog_DeactivateStreamResources_Exception, String.Format("DeactivateStreamResources Grain type = {0} Activation = {1} failed.", grainTypeName, activation), exc);
}
}
}
catch(Exception exc)
{
logger.Error(ErrorCode.Catalog_FinishGrainDeactivateAndCleanupStreams_Exception, String.Format("CallGrainDeactivateAndCleanupStreams Activation = {0} failed.", activation), exc);
}
return activation;
}