/**
  * Method "getAnalysisType".
  *
  * @param analysis
  * @return the analysis type or null if not set
  */
 public static AnalysisType getAnalysisType(Analysis analysis) {
   AnalysisParameters parameters = analysis.getParameters();
   if (parameters == null) {
     return null;
   }
   // else
   return parameters.getAnalysisType();
 }