if (status != ACTIVE) {
            throw new ClIllegalStateException(String.valueOf(status));
        }
        status = STOPPED;
    }

    /**
     * タイマーを再開始します。
     */
    public void restart() {
        status = ACTIVE;
        startTime = System.currentTimeMillis();
    }

    void expired() {
        timeoutTarget.expired();
    }

   * with as many copies of {@code padChar} as are necessary to reach that length. For example,
   *
   * <ul>
   *   <li>{@code padStart("7", 3, '0')} returns {@code "007"}
   *   <li>{@code padStart("2010", 3, '0')} returns {@code "2010"}
   * </ul>
   *
   * <p>See {@link java.util.Formatter} for a richer set of formatting capabilities.
   *

          workerRunningState = IDLE;
        }
        throw e;
        // The execution of a task has ended abnormally.
        // We could have tasks left in the queue, so should perhaps try to restart a worker,
        // but then the Error will get delayed if we are using a direct (same thread) executor.
      }
    }

    /**
     * Continues executing tasks from {@link #queue} until it is empty.
     *

   * time a task is submitted.
   *
   * <p>When an {@code Error} is thrown by an executed task, previously submitted tasks may never
   * run. An attempt will be made to restart execution on the next call to {@code execute}. If the
   * {@code delegate} has begun to reject execution, the previously submitted tasks may never run,

  public void testPadStart_noPadding() {
    assertSame("", Strings.padStart("", 0, '-'));
    assertSame("x", Strings.padStart("x", 0, '-'));
    assertSame("x", Strings.padStart("x", 1, '-'));
    assertSame("xx", Strings.padStart("xx", 0, '-'));
    assertSame("xx", Strings.padStart("xx", 2, '-'));
  }

  public void testPadStart_somePadding() {
    assertEquals("-", Strings.padStart("", 1, '-'));
    assertEquals("--", Strings.padStart("", 2, '-'));

            builder.setArgs(Arrays.asList("-p", getPort().get(), "-d", getDocsDirectory().get().getAsFile().getAbsolutePath()));
            registry.start(getPath(), DeploymentRegistry.ChangeBehavior.RESTART, JavaApplicationHandle.class, builder);
        }
    }

    @Inject
    protected abstract DeploymentRegistry getDeploymentRegistry();

    @Inject

   * with as many copies of {@code padChar} as are necessary to reach that length. For example,
   *
   * <ul>
   *   <li>{@code padStart("7", 3, '0')} returns {@code "007"}
   *   <li>{@code padStart("2010", 3, '0')} returns {@code "2010"}
   * </ul>
   *
   * <p>See {@link java.util.Formatter} for a richer set of formatting capabilities.
   *

          pred.next = succ;
          if (pred.thread == null) { // We raced with another node that unlinked pred. Restart.
            continue restart;
          }
        } else if (!ATOMIC_HELPER.casWaiters(this, curr, succ)) { // We are unlinking head
          continue restart; // We raced with an add or complete
        }
        curr = succ;
      }
      break;
    }
  }

  public void testPadStart_noPadding() {
    assertSame("", Strings.padStart("", 0, '-'));
    assertSame("x", Strings.padStart("x", 0, '-'));
    assertSame("x", Strings.padStart("x", 1, '-'));
    assertSame("xx", Strings.padStart("xx", 0, '-'));
    assertSame("xx", Strings.padStart("xx", 2, '-'));
  }

  public void testPadStart_somePadding() {
    assertEquals("-", Strings.padStart("", 1, '-'));
    assertEquals("--", Strings.padStart("", 2, '-'));

                    } else {
                        logger.warn("Failed to process a task.", e);
                    }
                }
                if (task.isPermanent()) {
                    task.restart();
                }
            });
        } catch (final Exception e) {
            logger.warn("Failed to process a task.", e);
        }
    }

    private synchronized boolean isInterrupted() {