cluster: Make the feature checks more robust.

diff --git a/components/cluster/clustercomponent.cpp b/components/cluster/clustercomponent.cpp
index 5cf19fa84b3b62b55ac3611b089fd7ec5fac86f0..7417ac6fb933f64007e2958c87b2a7031e4ddc01 100644 (file)
--- a/components/cluster/clustercomponent.cpp
+++ b/components/cluster/clustercomponent.cpp
@@ -1182,12 +1182,22 @@ void ClusterComponent::UpdateAuthority(void)
 
 bool ClusterComponent::SupportsChecks(void)
 {
-       return DynamicType::GetByName("CheckerComponent");
+       DynamicType::Ptr type = DynamicType::GetByName("CheckerComponent");
+
+       if (!type)
+               return false;
+
+       return !type->GetObjects().empty();
 }
 
 bool ClusterComponent::SupportsNotifications(void)
 {
-       return DynamicType::GetByName("NotificationComponent");
+       DynamicType::Ptr type = DynamicType::GetByName("NotificationComponent");
+
+       if (!type)
+               return false;
+
+       return !type->GetObjects().empty();
 }
 
 void ClusterComponent::InternalSerialize(const Dictionary::Ptr& bag, int attributeTypes) const