private WorkflowDefinitionRecord GetOrCreateWorkflowDefinition(string name) {
var workflowDefinition = _workflowDefinitionRepository.Get(x => x.Name == name);
if (workflowDefinition == null) {
workflowDefinition = new WorkflowDefinitionRecord {
Name = name
};
_workflowDefinitionRepository.Create(workflowDefinition);
}
else {
CleanWorkFlow(workflowDefinition);
}
return workflowDefinition;
}
public void ExecuteRecipeStep(RecipeContext recipeContext) {
if (!String.Equals(recipeContext.RecipeStep.Name, "Workflows", StringComparison.OrdinalIgnoreCase)) {
return;
}
foreach (var workflowDefinitionElement in recipeContext.RecipeStep.Step.Elements()) {
var workflowDefinition = new WorkflowDefinitionRecord {
Name = ProbeWorkflowDefinitionName(workflowDefinitionElement.Attribute("Name").Value),
Enabled = Boolean.Parse(workflowDefinitionElement.Attribute("Enabled").Value)
};
_workflowDefinitionRepository.Create(workflowDefinition);
var activitiesElement = workflowDefinitionElement.Element("Activities");
var transitionsElement = workflowDefinitionElement.Element("Transitions");
var activitiesDictionary = new Dictionary<int, ActivityRecord>();
foreach (var activityElement in activitiesElement.Elements()) {
var localId = Int32.Parse(activityElement.Attribute("Id").Value);
var activity = new ActivityRecord {
Name = activityElement.Attribute("Name").Value,
Start = Boolean.Parse(activityElement.Attribute("Start").Value),
X = Int32.Parse(activityElement.Attribute("X").Value),
Y = Int32.Parse(activityElement.Attribute("Y").Value),
State = activityElement.Element("State").Value
};
activitiesDictionary.Add(localId, activity);
workflowDefinition.ActivityRecords.Add(activity);
}
foreach (var transitionElement in transitionsElement.Elements()) {
var sourceActivityId = Int32.Parse(transitionElement.Attribute("SourceActivityId").Value);
var sourceEndpoint = transitionElement.Attribute("SourceEndpoint").Value;
var destinationActivityId = Int32.Parse(transitionElement.Attribute("DestinationActivityId").Value);
var destinationEndpoint = transitionElement.Attribute("DestinationEndpoint").Value;
workflowDefinition.TransitionRecords.Add(new TransitionRecord {
SourceActivityRecord = activitiesDictionary[sourceActivityId],
SourceEndpoint = sourceEndpoint,
DestinationActivityRecord = activitiesDictionary[destinationActivityId],
DestinationEndpoint = destinationEndpoint
});
}
}
recipeContext.Executed = true;
}
private void CleanWorkFlow(WorkflowDefinitionRecord workflowDefinition) {
foreach (var activityRecord in workflowDefinition.ActivityRecords) {
_activityRepository.Delete(activityRecord);
}
workflowDefinition.ActivityRecords.Clear();
foreach (var transitionRecord in workflowDefinition.TransitionRecords) {
_transitionRepository.Delete(transitionRecord);
}
workflowDefinition.TransitionRecords.Clear();
}