Optional
allowOptional
beforeActor that must be registered in the bus before this actor.
The 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}"
Optional
contextA JSON string of a query operation context
Optional
defaultThe default query input format
The HTTP cache invalidation mediator
The query process mediator
The query serialize mediator
The query serialize media type combinator
The query serialize media type format combinator
The name for this actor.
Optional
queryA SPARQL query string
If it should be allowed that the user passes no sources.