コード例 #1
0
  /** Stops this store service. */
  public void stop() throws IOException {
    ResettableTimer timer = (ResettableTimer) m_timerRef.get();
    if (timer != null) {
      if (!timer.isShutDown()) {
        // Shutdown and await termination...
        timer.shutDown();
      }
      // Clear reference...
      m_timerRef.compareAndSet(timer, null);
    }

    // Write the latest version to disk...
    flush();
  }
コード例 #2
0
  /** {@inheritDoc} */
  public void updated(Dictionary properties) throws ConfigurationException {
    boolean writeDisabled = DEFAULT_WRITE_DISABLED;
    int writeDelayValue = DEFAULT_WRITE_DELAY_VALUE;
    TimeUnit writeDelayUnit = DEFAULT_WRITE_DELAY_TIMEUNIT;

    if (properties != null) {
      Object wd = properties.get(KEY_WRITE_DISABLED);
      if (wd == null) {
        throw new ConfigurationException(KEY_WRITE_DISABLED, "Missing write disabled value!");
      }
      try {
        writeDisabled = Boolean.parseBoolean((String) wd);
      } catch (Exception e) {
        throw new ConfigurationException(KEY_WRITE_DISABLED, "Invalid write disabled value!");
      }

      if (!writeDisabled) {
        Object wdv = properties.get(KEY_WRITE_DELAY_VALUE);
        if (wdv == null) {
          throw new ConfigurationException(KEY_WRITE_DELAY_VALUE, "Missing write delay value!");
        }
        try {
          writeDelayValue = Integer.parseInt((String) wdv);
        } catch (Exception e) {
          throw new ConfigurationException(KEY_WRITE_DELAY_VALUE, "Invalid write delay value!");
        }
        if (writeDelayValue <= 0) {
          throw new ConfigurationException(KEY_WRITE_DELAY_VALUE, "Invalid write delay value!");
        }

        Object wdu = properties.get(KEY_WRITE_DELAY_TIMEUNIT);
        if (wdu != null) {
          try {
            writeDelayUnit = TimeUnit.valueOf(((String) wdu).toUpperCase());
          } catch (Exception e) {
            throw new ConfigurationException(KEY_WRITE_DELAY_TIMEUNIT, "Invalid write delay unit!");
          }
        }
      }
    }

    ResettableTimer timer = (ResettableTimer) m_timerRef.get();
    if (timer != null) {
      timer.shutDown();
    }
    m_timerRef.compareAndSet(
        timer, writeDisabled ? null : new ResettableTimer(this, writeDelayValue, writeDelayUnit));
  }
コード例 #3
0
 /**
  * Notifies the background timer to schedule a task for storing the contents of this store to
  * disk.
  */
 private void scheduleTask() {
   ResettableTimer timer = (ResettableTimer) m_timerRef.get();
   if (timer != null && !timer.isShutDown()) {
     timer.schedule();
   }
 }