code: private com.datastax.driver.core.policies.RetryPolicy getCustomRetryPolicy(Properties props)
  
      {
          String customRetryPolicy = (String) props.get(CUSTOM_RETRY_POLICY);
          Class<?> clazz = null;
          Method getter = null;
          try
          {
              clazz = Class.forName(customRetryPolicy);
              com.datastax.driver.core.policies.RetryPolicy retryPolicy = (com.datastax.driver.core.policies.RetryPolicy) KunderaCoreUtils
                      .createNewInstance(clazz);
              if (retryPolicy != null)
              {
                  return retryPolicy;
              }
              getter = clazz.getDeclaredMethod(GET_INSTANCE);
              return (com.datastax.driver.core.policies.RetryPolicy) getter.invoke(null, (Object[]) null);
          }
          catch (ClassNotFoundException e)
          {
              logger.error(e.getMessage());
              throw new KunderaException("Please make sure class " + customRetryPolicy
                      + " set in property file exists in classpath " + e.getMessage());
          }
          catch (IllegalAccessException e)
          {
              logger.error(e.getMessage());
              throw new KunderaException("Method " + getter.getName() + " must be declared public " + e.getMessage());
          }
          catch (NoSuchMethodException e)
          {
              logger.error(e.getMessage());
              throw new KunderaException("Please make sure getter method of " + clazz.getSimpleName()
                      + " is named \"getInstance()\"");
          }
          catch (InvocationTargetException e)
          {
              logger.error(e.getMessage());
              throw new KunderaException("Error while executing \"getInstance()\" method of Class "
                      + clazz.getSimpleName() + ": " + e.getMessage());
          }
      }
docs: Gets the custom retry policy.
  
  @param props
  the props
  @return the custom retry policy
  @throws ClassNotFoundException
  @throws IllegalAccessException
  @throws NoSuchMethodException
  @throws InvocationTargetException
  @throws Exception
  the exception