Optional
beforeThe bus this actor subscribes to.
Optional
busThe 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}"
The name for this actor.
If true, ASK queries will be sent to the source instead of COUNT queries to check emptiness for patterns. This will only be done for sources that accept ASK queries.
Actor that must be registered in the bus before this actor.