docs: public static String getDeployedPersisterClassName(EnterpriseBean enterpriseBean)
      {
          String beanClassName = enterpriseBean.getEjbClassName();
          String packageName = packageName(beanClassName);
          String beanName = relativeName(beanClassName);
  
          StringBuffer result = new StringBuffer();
          if (packageName != null) {
              result.append(packageName);
              result.append('.');
          }
          result.append(persisterPrefix);
          result.append(getUniquePrefix(enterpriseBean));
          result.append(beanName);
  
          return result.toString();
      }