ST6RI-796 Removed use of FeatureImpl in FeatureUtil.

Author: seidewitz

org.omg.sysml/src/org/omg/sysml/util/FeatureUtil.java

@@ -55,7 +55,6 @@
 import org.omg.sysml.lang.sysml.SysMLPackage;
 import org.omg.sysml.lang.sysml.Type;
 import org.omg.sysml.lang.sysml.TypeFeaturing;
-import org.omg.sysml.lang.sysml.impl.FeatureImpl;
 
 public class FeatureUtil {
 
@@ -459,7 +458,7 @@ private static String computeEffectiveName(Feature self, Set<Feature> visited) {
 		}
 
 		visited.add(self);
-		FeatureImpl namingFeature = (FeatureImpl) self.namingFeature();
+		Feature namingFeature = self.namingFeature();
 
 		if (namingFeature != null && !visited.contains(namingFeature)) {
 			effectiveName = computeEffectiveName(namingFeature, visited);
@@ -485,7 +484,7 @@ private static String computeEffectiveShortName(Feature self, Set<Feature> visit
 		}
 
 		visited.add(self);
-		FeatureImpl namingFeature = (FeatureImpl) self.namingFeature();
+		Feature namingFeature = self.namingFeature();
 
 		if (namingFeature != null && !visited.contains(namingFeature)) {
 			effectiveShortName = computeEffectiveShortName(namingFeature, visited);