Updates on OWL reader examples

- Added spark.stop() lines
- Added OWL/XML reader option to OWLReaderRDD

Author: patrickwestphal

sansa-examples-spark/src/main/scala/net/sansa_stack/examples/spark/owl/OWLReaderDataset.scala

@@ -37,7 +37,7 @@ object OWLReaderDataset {
     }
 
     dataset.take(10).foreach(println(_))
-
+    spark.stop()
   }
 
   case class Config(

sansa-examples-spark/src/main/scala/net/sansa_stack/examples/spark/owl/OWLReaderRDD.scala

@@ -31,14 +31,13 @@ object OWLReaderRDD {
     val rdd = syntax match {
       case "fun" => spark.owl(Syntax.FUNCTIONAL)(input)
       case "manch" => spark.owl(Syntax.MANCHESTER)(input)
-      case "owl_xml" =>
-        throw new RuntimeException("'" + syntax + "' - Not supported, yet.")
+      case "owl_xml" => spark.owl(Syntax.OWLXML)(input)
       case _ =>
         throw new RuntimeException("Invalid syntax type: '" + syntax + "'")
     }
 
     rdd.take(10).foreach(println(_))
-
+    spark.stop()
   }
 
   case class Config(