abstract fun contains(triple: Triple!, graphName: String!): Future<Boolean!>!
Check whether or not there exist at least one triple matching a query. tripleQuery The query which should be match by at least one triple.
graphName - String!: The name of the graph in which you want to check the presence of the triple.
Return
Future<Boolean!>!: True if at least one triple is found.
Throw
if any node of the triple is not valid.
Since
2