code: package org.rug.data.characteristics.smells;
  
  import org.rug.data.smells.CDSmell;
  
  /**
   * (Not implemented) Calculates the Parent Centrality metric as defined by Al-Mutawa et al.
   */
  public class ParentCentrality extends AbstractSmellCharacteristic {
  
      public ParentCentrality() {
          super("parentCentrality");
      }
  
  
      /**
       * Calculates this characteristic and returns the value computed.
       *
       * @param smell the smell to visit the characteristic on.
       */
      @Override
      public String visit(CDSmell smell) {
          return NO_VALUE;
      }
  
  
  }
  