public IActivityBuilder Add(
IActivityBuilder activityBuilder,
Action <IActivityBuilder>?branch = default)
{
branch?.Invoke(activityBuilder);
ActivityBuilders.Add(activityBuilder);
return(activityBuilder);
}
public ICompositeActivityBlueprint Build(string activityIdPrefix = "activity")
{
var compositeActivityBlueprint = new CompositeActivityBlueprint
{
Id = ActivityId,
Name = Name,
DisplayName = DisplayName,
Description = Description,
Type = ActivityTypeName,
PersistOutput = PersistOutputEnabled,
PersistWorkflow = PersistWorkflowEnabled,
LoadWorkflowContext = LoadWorkflowContextEnabled,
SaveWorkflowContext = SaveWorkflowContextEnabled
};
var activityBuilders = ActivityBuilders.ToList();
var activityBlueprints = new List <IActivityBlueprint>();
var connections = new List <IConnection>();
var activityPropertyProviders = new Dictionary <string, IDictionary <string, IActivityPropertyValueProvider> >();
// Assign automatic ids to activity builders.
var index = 0;
foreach (var activityBuilder in activityBuilders)
{
var activityId = activityBuilder.ActivityId;
activityBuilder.ActivityId = string.IsNullOrWhiteSpace(activityId) ? $"{activityIdPrefix}-{++index}" : $"{activityIdPrefix}-{activityId}";
}
activityBlueprints.AddRange(activityBuilders.Select(x => BuildActivityBlueprint(x, compositeActivityBlueprint)));
var activityBlueprintDictionary = activityBlueprints.ToDictionary(x => x.Id);
connections.AddRange(ConnectionBuilders.Select(x => new Connection(activityBlueprintDictionary[x.Source().ActivityId], activityBlueprintDictionary[x.Target().ActivityId], x.Outcome)));
compositeActivityBlueprint.Connections = connections;
compositeActivityBlueprint.Activities = activityBlueprints;
compositeActivityBlueprint.ActivityPropertyProviders = new ActivityPropertyProviders(activityPropertyProviders);
// Build composite activities.
var compositeActivityBuilders = activityBuilders.Where(x => typeof(CompositeActivity).IsAssignableFrom(x.ActivityType));
BuildCompositeActivities(compositeActivityBuilders, activityBlueprints, connections, activityPropertyProviders);
activityPropertyProviders.AddRange(
activityBuilders
.Select(x => (x.ActivityId, x.PropertyValueProviders))
.ToDictionary(x => x.ActivityId !, x => x.PropertyValueProviders !));
return(compositeActivityBlueprint);
}
