void OnChildServiceRequested(int stepNumber, int attemptNumber, SettingsCollection options)
{
// Get the step configuration elements
WorkflowStepElement stepConfig = this.Configuration.Workflow[stepNumber];
AccountServiceSettingsElement stepSettings =
this.Configuration.StepSettings != null ?
this.Configuration.StepSettings[stepConfig] :
null;
// Take the step configuration
ActiveServiceElement configuration = stepSettings != null ?
new ActiveServiceElement(stepSettings) :
new ActiveServiceElement(stepConfig);
// Add child-specific options
if (options != null)
{
configuration.Options.Merge(options);
}
// Add parent options, without overriding child options with the same name
foreach (var parentOption in this.Configuration.Options)
{
if (!configuration.Options.ContainsKey(parentOption.Key))
{
configuration.Options.Add(parentOption.Key, parentOption.Value);
}
}
// Add parent extensions, without overriding child options with the same name
foreach (var parentExtension in this.Configuration.Extensions)
{
if (!configuration.Extensions.ContainsKey(parentExtension.Key))
{
configuration.Extensions.Add(parentExtension.Key, parentExtension.Value);
}
}
// Generate a child instance
ServiceInstance child = Service.CreateInstance(configuration, this, this.AccountID);
child.StateChanged += _childStateHandler;
child.OutcomeReported += _childOutcomeHandler;
child.ProgressReported += _childProgressHandler;
_childServices.Add(child, stepNumber);
if (ChildServiceRequested != null)
{
ChildServiceRequested(this, new ServiceRequestedEventArgs(child, attemptNumber));
}
}
/// <summary>
///
/// </summary>
protected virtual void RequestChildService(int stepNumber, int attemptNumber, SettingsCollection options = null)
{
List <IServiceSubscriber> subscribers;
if (!_subscribers.TryGetValue(ServiceEventType.ChildServiceRequested, out subscribers))
{
return;
}
foreach (IServiceSubscriber subscriber in subscribers)
{
subscriber.ChildServiceRequested(stepNumber, attemptNumber, options);
}
}
void IServiceSubscriber.ChildServiceRequested(int stepNumber, int attemptNumber, SettingsCollection options)
{
OnChildServiceRequested(stepNumber, attemptNumber, options);
}