private async Task <bool> TryRegisterNewExecutorInternalAsync(TaskPullerMetadata metadata,
CancellationToken cancellation)
{
try
{
await _operationSemaphoreSlim.WaitAsync(cancellation).ConfigureAwait(false);
}
catch (OperationCanceledException)
{
return(false);
}
try
{
if (!_isFinalizing)
{
var key = metadata.TaskExecutorTypeId;
if (_executorRegistry.ContainsKey(key))
{
return(false);
}
HandleMetadataRegistration(metadata);
_executorRegistry.Add(key, metadata);
return(true);
}
return(false);
}
finally
{
_operationSemaphoreSlim.Release();
}
}
private void HandleMetadataUnRegistration(TaskPullerMetadata metadata)
{
if (metadata != null)
{
metadata.TaskManagerCancellationToken = null;
metadata.GlobalApproveNewExecutorCreationCriteriaInContext = null;
}
}
public async Task <bool> TryRegisterNewExecutorAsync(TaskPullerMetadata metadata, CancellationToken cancellation)
{
if (metadata.TaskExecutorTypeId == Constraint.DaemonExecutorId)
{
return(false);
}
return(await TryRegisterNewExecutorInternalAsync(metadata, cancellation).ConfigureAwait(false));
}
private void HandleMetadataRegistration(TaskPullerMetadata metadata)
{
if (metadata.TaskManagerCancellationToken != null)
{
throw new Exception("Metadata was already bind to an execution context");
}
metadata.TaskManagerCancellationToken = _cts;
metadata.GlobalApproveNewExecutorCreationCriteriaInContext = GlobalApproveNewExecutorCreationCriteria;
}