`Begin at the beginning,' the King said gravely, `and go on
till you come to the end:  then stop.'

  These were the verses the White Rabbit read:--

        `They told me you had been to her,
          And mentioned me to him:
        She gave me a good character,
          But said I could not swim.

        He sent them word I had not gone
          (We know it to be true):

          readCount.set(0);
        } finally {
          unlock();
        }
      }
    }

    void runUnlockedCleanup() {
      // locked cleanup may generate notifications we can send unlocked
      if (!isHeldByCurrentThread()) {
        map.processPendingNotifications();
      }
    }
  }

  static class LoadingValueReference<K, V> implements ValueReference<K, V> {

    // live
    table.set(0, entry);
    // don't increment count; this is used during computation
    assertTrue(segment.removeLoadingValue(key, hash, valueRef));
    // no notification sent with removeLoadingValue
    assertTrue(map.removalNotificationQueue.isEmpty());
    assertEquals(0, segment.count);
    assertNull(table.get(0));

    // active
    Object value = new Object();

    // live
    table.set(0, entry);
    // don't increment count; this is used during computation
    assertTrue(segment.removeLoadingValue(key, hash, valueRef));
    // no notification sent with removeLoadingValue
    assertTrue(map.removalNotificationQueue.isEmpty());
    assertEquals(0, segment.count);
    assertNull(table.get(0));

    // active
    Object value = new Object();

          readCount.set(0);
        } finally {
          unlock();
        }
      }
    }

    void runUnlockedCleanup() {
      // locked cleanup may generate notifications we can send unlocked
      if (!isHeldByCurrentThread()) {
        map.processPendingNotifications();
      }
    }
  }

  static class LoadingValueReference<K, V> implements ValueReference<K, V> {

  `Begin at the beginning,' the King said gravely, `and go on
till you come to the end:  then stop.'

  These were the verses the White Rabbit read:--

        `They told me you had been to her,
          And mentioned me to him:
        She gave me a good character,
          But said I could not swim.

        He sent them word I had not gone
          (We know it to be true):