When the consumer receives a cluster event's message, it delegates the message to a handler depending on the type of the cluster event.
You have one handler per type of resource that Cellar manages. The following is a list of the event handlers:
ConfigurationEventHandler: This is responsible for handling cluster events related to configurations (for instance, events that come from thecluster:config-*orconfig:*commands)BundleEventHandler: This is responsible for handling cluster events related to bundles (for instance, events that come from thecluster:bundle-*orosgi:*commands)FeaturesEventHandler: This is responsible for handling cluster events related to features (for instance, events that come from thecluster:feature-*orfeatures:*commands)ObrBundleEventHandlerandObrUrlEventHandler(optional): These are responsible for handling cluster events related to the OBR service (for instance, events that come from thecluster:obr-*orobr:*commands)ClusterEventHandler...