/// <summary>
/// Worker thread body
/// </summary>
private void RunWorkflows()
{
IWorkflowExecutor workflowExecutor = _serviceProvider.GetService <IWorkflowExecutor>();
IPersistenceProvider persistenceStore = _serviceProvider.GetService <IPersistenceProvider>();
while (!_shutdown)
{
try
{
var workflowId = _queueProvider.DequeueForProcessing().Result;
if (workflowId != null)
{
try
{
if (_lockProvider.AcquireLock(workflowId).Result)
{
WorkflowInstance workflow = null;
try
{
workflow = persistenceStore.GetWorkflowInstance(workflowId).Result;
if (workflow.Status == WorkflowStatus.Runnable)
{
workflowExecutor.Execute(workflow, persistenceStore, _options);
}
}
finally
{
_lockProvider.ReleaseLock(workflowId);
if (workflow != null)
{
if ((workflow.Status == WorkflowStatus.Runnable) && workflow.NextExecution.HasValue && workflow.NextExecution.Value < DateTime.Now.ToUniversalTime().Ticks)
{
_queueProvider.QueueForProcessing(workflowId);
}
}
}
}
else
{
_logger.LogInformation("Workflow locked {0}", workflowId);
}
}
catch (Exception ex)
{
_logger.LogError(ex.Message);
}
}
else
{
Thread.Sleep(_options.IdleTime); //no work
}
}
catch (Exception ex)
{
_logger.LogError(ex.Message);
}
}
}