private async Task <ActivityPropertyProviders> CreatePropertyProviders(ICompositeActivityDefinition compositeActivityDefinition, CancellationToken cancellationToken)
{
var propertyProviders = new ActivityPropertyProviders();
var activityDefinitions = compositeActivityDefinition.Activities;
foreach (var activityDefinition in activityDefinitions)
{
var activityType = await _activityTypeService.GetActivityTypeAsync(activityDefinition.Type, cancellationToken);
var activityDescriptor = await activityType.DescribeAsync();
var propertyDescriptors = activityDescriptor.InputProperties;
foreach (var property in activityDefinition.Properties)
{
var propertyDescriptor = propertyDescriptors.FirstOrDefault(x => x.Name == property.Name);
if (propertyDescriptor == null)
{
_logger.LogWarning("Could not find the specified property '{PropertyName}' for activity type {ActivityTypeName}", property.Name, activityType.TypeName);
continue;
}
var syntax = property.Syntax ?? propertyDescriptor.DefaultSyntax ?? SyntaxNames.Literal;
var expression = property.GetExpression(syntax);
var provider = new ExpressionActivityPropertyValueProvider(expression, syntax, propertyDescriptor.Type);
propertyProviders.AddProvider(activityDefinition.ActivityId, property.Name, provider);
}
}
return(propertyProviders);
}
public CompositeActivityBlueprint(
string id,
ICompositeActivityBlueprint?parent,
string?name,
string?displayName,
string?description,
string type,
bool persistWorkflow,
bool loadWorkflowContext,
bool saveWorkflowContext,
IDictionary <string, string> propertyStorageProviders,
string?source) : base(id, parent, name, displayName, description, type, persistWorkflow, loadWorkflowContext, saveWorkflowContext, propertyStorageProviders, source)
{
Activities = new List <IActivityBlueprint>();
Connections = new List <IConnection>();
ActivityPropertyProviders = new ActivityPropertyProviders();
}
public CompositeActivityBlueprint()
{
Activities = new List <IActivityBlueprint>();
Connections = new List <IConnection>();
ActivityPropertyProviders = new ActivityPropertyProviders();
}
public WorkflowBlueprint()
{
ActivityPropertyProviders = new ActivityPropertyProviders();
Variables = new Variables();
CustomAttributes = new Variables();
}