public TypedActivityTypeDescriber(IActivityPropertyOptionsResolver optionsResolver, IActivityPropertyUIHintResolver uiHintResolver, IActivityPropertyDefaultValueResolver defaultValueResolver, IServiceScopeFactory serviceScopeFactory)
{
_optionsResolver = optionsResolver;
_uiHintResolver = uiHintResolver;
_defaultValueResolver = defaultValueResolver;
_serviceScopeFactory = serviceScopeFactory;
}
public TypedActivityTypeDescriber(IActivityPropertyOptionsResolver optionsResolver, IActivityPropertyUIHintResolver uiHintResolver, IActivityPropertyDefaultValueResolver defaultValueResolver)
{
_optionsResolver = optionsResolver;
_uiHintResolver = uiHintResolver;
_defaultValueResolver = defaultValueResolver;
}
private async ValueTask SetNestedActivityPropertiesAsync(object nestedInstance, ActivityExecutionContext activityExecutionContext, IDictionary <string, IActivityPropertyValueProvider> providers, IActivityPropertyDefaultValueResolver defaultValueResolver, string nestedInstanceName = null, CancellationToken cancellationToken = default)
{
var properties = nestedInstance.GetType().GetProperties().Where(IsActivityInputProperty).ToList();
var nestedProperties = nestedInstance.GetType().GetProperties().Where(IsActivityObjectInputProperty).ToList();
foreach (var property in properties)
{
var propertyName = nestedInstanceName == null ? property.Name : $"{nestedInstanceName}_{property.Name}";
if (!providers.TryGetValue(propertyName, out var provider))
{
continue;
}
try
{
var value = await provider.GetValueAsync(activityExecutionContext, cancellationToken);
if (value == null)
{
value = defaultValueResolver.GetDefaultValue(property);
}
if (value != null)
{
property.SetValue(nestedInstance, value);
}
}
catch (Exception e)
{
throw new CannotSetActivityPropertyValueException($@"An exception was thrown whilst setting '{nestedInstance.GetType().Name}.{property.Name}'. See the inner exception for further details.", e);
}
}
foreach (var nestedProperty in nestedProperties)
{
var instance = Activator.CreateInstance(nestedProperty.PropertyType);
var nextInstanceName = nestedInstanceName == null ? nestedProperty.Name : $"{nestedInstanceName}_{nestedProperty.Name}";
await SetNestedActivityPropertiesAsync(instance, activityExecutionContext, providers, defaultValueResolver, nextInstanceName, cancellationToken);
nestedProperty.SetValue(nestedInstance, instance);
}
}
