/// <summary>
/// Starts a single job
/// </summary>
/// <param name="job"></param>
private void StartOrResumeJob(Job job)
{
AppDomainHost adh = null;
using (Context context = ContextManager.Instance.CreateContext(ConnectionMode.AutoOpen, TransactionMode.AutoCommit))
{
context.JobGuid = job.Guid;
context.ContextGuid = contextGuid;
JobInstance ji = new JobInstance(context);
ji.Guid = job.Guid;
ji.Load();
// Lock the job, so noone else can pick it up
ji.DateStarted = DateTime.Now;
ji.ObtainLock();
ji.Save();
}
// Schedule job in the appropriate app domain
adh = GetOrCreateAppDomainHost(job);
// Check if job is a new instance or previously persisted and
// has to be resumed
switch (job.Status)
{
case JobStatus.Starting:
if (interactive)
{
Console.WriteLine("Starting job: {0}", job.Guid);
}
job.WorkflowInstanceId = adh.PrepareStartJob(job);
break;
case JobStatus.Resuming:
if (interactive)
{
Console.WriteLine("Resuming job: {0}", job.Guid);
}
job.WorkflowInstanceId = adh.PrepareResumeJob(job);
break;
default:
throw new NotImplementedException();
}
// Update job status
job.TimeStarted = DateTime.Now;
job.Status = JobStatus.Executing;
job.AppDomainID = adh.ID;
// TODO: this has to happen before starting the job
lock (runningJobs)
{
runningJobs.Add(job.WorkflowInstanceId, job);
}
adh.RunJob(job);
}
