track
abstract fun <T : Enum<T>> trackEnum(feature: Feature, key: String, clazz: Class<T>, attributes: Attributes = Attributes(), executor: Executor, tracker: (T) -> Unit): TrackerReference
Registers a tracker for the value of an enumerated feature flag for the given key and attributes.
Return
a reference to the registered tracker allowing to un-register it
Parameters
feature
name of the feature flag to evaluate.
key
unique primary key for the entity the flag should be evaluated against.
clazz
the enum type.
attributes
additional attributes to provide to flag evaluation.
tracker
a tracker to be registered for processing of changed values
Throws
if the service is unavailable.
if the flag is off with no default value.