OptionalbeforeThe bus this actor subscribes to.
OptionalbusThe message that will be configured in the bus for reporting failures.
This message may be a template string that contains references to the executed action.
For example, the following templated string is allowed:
"RDF dereferencing failed: no actors could handle ${action.handle.mediaType}"
A mediator for creating binding context merge handlers
The name for this actor.
Multiplier for selectivity values. This defaults to half the one of the optional bind join, so that this actor is preferred where both apply, as it does the same, without planning and awaiting a lookup per binding.
Actor that must be registered in the bus before this actor.