/** @return Returns the containerTypes. */
 public List getContainerTypes() {
   if (containerTypes == null || refresh == true) {
     containerTypes = containerTypeDAO.getContainerTypes();
     refresh = false;
   }
   return containerTypes;
 }
 public ContainerType getContainerType(Integer ContainerTypeID) {
   return containerTypeDAO.getContainerType(ContainerTypeID);
 }
 public void saveContainerType(ContainerType stock) throws Exception {
   containerTypeDAO.saveContainerType(stock);
   refresh = true;
 }
 /** ****End Location */
 public ContainerType getContainerType(String name) {
   return containerTypeDAO.getContainerType(name);
 }