|
public GetDependents ( |
||
| capability | ||
| return | IEnumerable |
|
public override void VisitRegistry(Registry registry)
{
//get all the recipenats
foreach (var cap in FromInstance.Capabilities)
{
sendto.AddRange(registry.GetDependents(cap));
}
//send to all the recipenats
foreach (var appinstance in sendto)
{
appinstance.Send(msg);
}
}
/// <summary>
/// Notify dependencies that the app has gone down
/// </summary>
/// <param name="registry"></param>
public override void VisitRegistry(Registry registry)
{
Log.Info(String.Format(
"{0} {1} is now \"{2}\"",
instance.DisplayName,
instance.InstanceId,
instance.AppStatus.ToString()
));
var capabilities = instance.Capabilities;
// apps that depend on this, mapped to the capabilities they expect it to use
var apps = new Dictionary<AppInstance, List<string>>();
// Build the list of things that depend on this
foreach (var capability in capabilities)
{
foreach (var app in registry.GetDependents(capability))
{
if(!apps.ContainsKey(app))
{
apps[app] = new List<string>();
}
apps[app].Add(capability.Name);
}
}
// Assemble the message that gets sent for each app
foreach (var app in apps)
{
var message = new AppDependency();
message.Dependencies = new Dictionary<string, Dictionary<string, string>>();
foreach(var capability in app.Value)
{
message.Dependencies[capability] = new Dictionary<string, string>()
{
{ instance.InstanceId, instance.AppStatus.ToString() }
};
}
if (message.Dependencies.Count > 0)
{
app.Key.Send("APP_DEPENDENCY " + message.Serialize());
}
}
}
