@SuppressWarnings("InfiniteLoopStatement")
  @Override
  public void run() {
    while (true) {
      try {
        if (!cleanUp(queue.remove())) {
          break;
        }
      } catch (InterruptedException e) {
        // ignore
      }
    }
  }

  /**
   * Cleans up the given reference and any other references already in the queue. Catches and logs

            if (form instanceof EditForm) {
                return ComponentUtil.getComponent(ProtwordsService.class).getProtwordsItem(form.dictId, ((EditForm) form).id);
            }
            break;
        default:
            break;
        }
        return OptionalEntity.empty();
    }

    /**
     * Get the protected word item.
     * @param form The create form.
     * @param hook The error hook.

            if (form instanceof EditForm) {
                return ComponentUtil.getComponent(FileConfigService.class).getFileConfig(((EditForm) form).id);
            }
            break;
        default:
            break;
        }
        return OptionalEntity.empty();
    }

    /**
     * Gets a file configuration entity from the form with system info.
     *
     * @param form the create form

				lris, ok := l.lockMap[resource]
				if !ok {
					// Just to be safe, delete uuids.
					for idx := range maxDeleteList {
						mapID := formatUUID(uid, idx)
						if _, ok := l.lockUID[mapID]; !ok {
							break
						}
						delete(l.lockUID, mapID)
					}
					continue
				}
				l.removeEntry(resource, dsync.LockArgs{UID: uid}, &lris)
			}
		}
		return true, nil
	}

	idx := 0
	for {

            if (form instanceof EditForm) {
                return ComponentUtil.getComponent(CharMappingService.class).getCharMappingItem(form.dictId, ((EditForm) form).id);
            }
            break;
        default:
            break;
        }
        return OptionalEntity.empty();
    }

    /**
     * Create a char mapping item.
     * @param form The create form.
     * @param hook The error hook.

            if (form instanceof EditForm) {
                return ComponentUtil.getComponent(WebAuthenticationService.class).getWebAuthentication(((EditForm) form).id);
            }
            break;
        default:
            break;
        }
        return OptionalEntity.empty();
    }

    /**
     * Converts a form to a WebAuthentication entity with proper user and timestamp information.
     *

            if (form instanceof EditForm) {
                return ComponentUtil.getComponent(KuromojiService.class).getKuromojiItem(form.dictId, ((EditForm) form).id);
            }
            break;
        default:
            break;
        }
        return OptionalEntity.empty();
    }

    /**
     * Create a kuromoji item.
     * @param form The create form.
     * @param hook The error hook.

                try {
                    Thread.sleep(50);
                } catch (InterruptedException e) {
                    Thread.currentThread().interrupt();
                    break;
                }
            }
            assertEquals(CrawlerStatus.RUNNING, crawler.crawlerContext.getStatus());
            crawler.awaitTermination();

                    putResultDataBody(dataMap, entry.getKey(), b.toString());
                    break;
                case NUMBER:
                    final Number d = (Number) xObj.value();
                    putResultDataBody(dataMap, entry.getKey(), d.toString());
                    break;
                case STRING:
                    final String str = (String) xObj.value();

        int i = 0, n;

        while (i < len) {
            n = in.read(b, off + i, len - i);
            if (n <= 0) {
                break;
            }
            i += n;
        }

        return i;
    }

    static int readPacketType(final InputStream in, final byte[] buffer, final int bufferIndex) throws IOException {