fix cast failure - NE-255 MaxP computation crashes with Null pointer …

…exception
derrickoswald · Nov 22, 2017 · eef9c64 · eef9c64
1 parent 9cb9f4e
commit eef9c64
Showing 1 changed file with 1 addition and 2 deletions.
diff --git a/GridLAB-D/src/main/scala/ch/ninecode/gl/Line.scala b/GridLAB-D/src/main/scala/ch/ninecode/gl/Line.scala
@@ -74,10 +74,9 @@ class Line (one_phase: Boolean) extends Serializable
     }
 
     // is this an ACLineSegment
-    // ToDo: this currently only looks at the first element -- what about combinations?
     def isACLineSegment (iter: Iterable[GLMEdge]): Boolean =
     {
-        iter.head.el.getClass.getName.endsWith ("ACLineSegment")
+        iter.forall (_.el.getClass.getName.endsWith ("ACLineSegment"))
     }
 
     // get the configuration name (of the parallel lines)