@Override
 public int hashCode() {
   final int prime = 31;
   int result = 1;
   result = prime * result + ((pk == null) ? 0 : pk.hashCode());
   result = prime * result + ((ranking == null) ? 0 : ranking.hashCode());
   return result;
 }
 @Override
 public boolean equals(Object sourceObj) {
   Object obj = deproxy(sourceObj);
   if (this == obj) return true;
   if (obj == null) return false;
   if (getClass() != obj.getClass()) return false;
   CatalogCategoryMasterProductSkuRel other = (CatalogCategoryMasterProductSkuRel) obj;
   if (pk == null) {
     if (other.pk != null) return false;
   } else if (!pk.equals(other.pk)) return false;
   if (ranking == null) {
     if (other.ranking != null) return false;
   } else if (!ranking.equals(other.ranking)) return false;
   return true;
 }
 public void setProductSku(final ProductSku productSku) {
   pk.setProductSku(productSku);
 }
 public void setCatalogCategoryMaster(final CatalogCategoryMaster catalogCategoryMaster) {
   pk.setCatalogCategoryMaster(catalogCategoryMaster);
 }