public WorkflowInstance LoadWorkflow(Guid instanceId)
{
var instance = this._repository.LoadWorkflowInstance(instanceId);
var activity = Helpers.LoadWorkflowActiovityFromXaml(this._workflowRepositoryPath + instance.WorkflowName, this._errorLogger);
if (activity != null)
{
WorkflowApplication app = new WorkflowApplication(activity);
app.Extensions.Add(() =>
{
SQLTrackingPaticipant participant = new SQLTrackingPaticipant();
participant.ConnectionString = _connectionString;
participant.TrackingProfile = CreateTrackingProfile();
return(participant);
});
if (this._isPersistable)
{
//setup persistence
InstanceStore store = new SqlWorkflowInstanceStore(
this._connectionString);
InstanceHandle handle = store.CreateInstanceHandle();
InstanceView view = store.Execute(handle,
new CreateWorkflowOwnerCommand(), TimeSpan.FromSeconds(30));
handle.Free();
store.DefaultInstanceOwner = view.InstanceOwner;
app.InstanceStore = store;
app.PersistableIdle = (e) => { return(PersistableIdleAction.Persist); };
}
try
{
app.Load(instanceId);
app.Run();
instance.SetApplicationhost(app);
instance.SetWorkflowInstanceHandeler(this);
instance.State = InstanceState.Loaded;
instance.InstanceId = instanceId;
this._managedWorkflows.Add(instance);
this._repository.UpdateWorkflowInstanceState(app.Id, InstanceState.Loaded, instance.Bookmarks.ConvertStringListToCommaSeparatedString());
return(instance);
}
catch (Exception ex)
{
this._errorLogger.Log(ex.Message, LoggerInfoTypes.Error);
}
}
return(null);
}
public Guid NewWorkFlow(string workflowName, IDictionary <string, object> parameters)
{
var activity = Helpers.LoadWorkflowActiovityFromXaml(this._workflowRepositoryPath + workflowName, this._errorLogger);
if (activity != null)
{
WorkflowApplication app = new WorkflowApplication(activity, parameters);
app.Extensions.Add(() =>
{
SQLTrackingPaticipant participant = new SQLTrackingPaticipant();
participant.ConnectionString = _connectionString;
return(participant);
});
if (this._isPersistable)
{
//setup persistence
InstanceStore store = new SqlWorkflowInstanceStore(
this._connectionString);
InstanceHandle handle = store.CreateInstanceHandle();
InstanceView view = store.Execute(handle,
new CreateWorkflowOwnerCommand(), TimeSpan.FromSeconds(30));
handle.Free();
store.DefaultInstanceOwner = view.InstanceOwner;
app.InstanceStore = store;
app.PersistableIdle = (e) => { return(PersistableIdleAction.Unload); };
}
try
{
app.Run();
var wfinstance = new WorkflowInstance(workflowName, this, app);
wfinstance.State = InstanceState.Created;
wfinstance.InstanceId = app.Id;
this._managedWorkflows.Add(wfinstance);
this._repository.SaveWorkflowInstanceState(app.Id, workflowName, InstanceState.Created, string.Empty);
return(app.Id);
}
catch (Exception ex)
{
this._errorLogger.Log(ex.Message, LoggerInfoTypes.Error);
}
}
return(Guid.Empty);
}
