public TopologySectionInternal DetermineResourcesToUnsubscribeFrom(Type eventtype)
{
if (!subscriptions.TryRemove(eventtype, out var result))
{
result = new TopologySectionInternal
{
Entities = new List <SubscriptionInfoInternal>(),
Namespaces = new List <RuntimeNamespaceInfo>()
};
}
return(result);
}
public void Start(TopologySectionInternal topologySection, int maximumConcurrency)
{
maxConcurrency = maximumConcurrency;
topology = topologySection;
StartNotifiersFor(topology.Entities);
running = true;
while (pendingStartOperations.TryTake(out var operation))
{
operation();
}
}
public void Start(TopologySectionInternal topologySection, int maximumConcurrency)
{
maxConcurrency = maximumConcurrency;
topology = topologySection;
StartNotifiersFor(topology.Entities);
foreach (var operation in pendingStartOperations)
{
operation();
}
pendingStartOperations = new List <Action>();
running = true;
}
public async Task Create(TopologySectionInternal topology)
{
if (!await hasManageRights.Value.ConfigureAwait(false))
{
logger.Info($"Configured to create topology, but have no manage rights for the following namespace(s): {namespacesWithoutManageRightsJoined}. Execution will continue and assume the topology is already created.");
return;
}
var queues = topology.Entities.Where(e => e.Type == EntityType.Queue).ToList();
var topics = topology.Entities.Where(e => e.Type == EntityType.Topic).ToList();
var subscriptions = topology.Entities.Where(e => e.Type == EntityType.Subscription).ToList();
if (queues.Any())
{
foreach (var queue in queues)
{
await queuesCreator.Create(queue.Path, namespaces.Get(queue.Namespace.Alias)).ConfigureAwait(false);
}
}
if (topics.Any())
{
foreach (var topic in topics)
{
await topicsCreator.Create(topic.Path, namespaces.Get(topic.Namespace.Alias)).ConfigureAwait(false);
}
}
if (subscriptions.Any())
{
foreach (var subscription in subscriptions)
{
var topic = subscription.RelationShips.First(r => r.Type == EntityRelationShipTypeInternal.Subscription);
var forwardTo = subscription.RelationShips.FirstOrDefault(r => r.Type == EntityRelationShipTypeInternal.Forward);
var sqlFilter = (subscription as SubscriptionInfoInternal)?.BrokerSideFilter.Serialize();
var metadata = (subscription as SubscriptionInfoInternal)?.Metadata ?? new SubscriptionMetadataInternal();
await subscriptionsCreator.Create(topic.Target.Path, subscription.Path, metadata, sqlFilter, namespaces.Get(subscription.Namespace.Alias), forwardTo?.Target.Path).ConfigureAwait(false);
}
}
}
public async Task TearDown(TopologySectionInternal topologySection)
{
var subscriptions = topologySection.Entities.Where(e => e.Type == EntityType.Subscription).ToList();
if (subscriptions.Any())
{
foreach (var subscription in subscriptions)
{
var topic = subscription.RelationShips.First(r => r.Type == EntityRelationShipTypeInternal.Subscription);
var forwardTo = subscription.RelationShips.FirstOrDefault(r => r.Type == EntityRelationShipTypeInternal.Forward);
var sqlFilter = (subscription as SubscriptionInfoInternal)?.BrokerSideFilter.Serialize();
var metadata = (subscription as SubscriptionInfoInternal)?.Metadata ?? new SubscriptionMetadataInternal();
await subscriptionsCreator.DeleteSubscription(topicPath : topic.Target.Path,
subscriptionName : subscription.Path,
metadata : metadata,
sqlFilter : sqlFilter,
namespaceManager : namespaces.Get(subscription.Namespace.Alias),
forwardTo : forwardTo?.Target.Path).ConfigureAwait(false);
}
}
}
