Examples of org.apache.bookkeeper.client.SyncCounter

org.apache.bookkeeper.client.SyncCounter
Implements objects to help with the synchronization of asynchronous calls

   *          ledger handle
   * @param ctx
   *          optional control object
   */
  public void openComplete(int rc, LedgerHandle lh, Object ctx) {
    SyncCounter counter = (SyncCounter) ctx;
    counter.setLh(lh);


    LOG.debug("Open complete: " + rc);


    counter.setrc(rc);
    counter.dec();
  }

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   * @throws BKException
   */


  public LedgerHandle openLedger(long lId, DigestType digestType, byte passwd[])
      throws BKException, InterruptedException {
    SyncCounter counter = new SyncCounter();
    counter.inc();


    /*
     * Calls async open ledger
     */
    asyncOpenLedger(lId, digestType, passwd, this, counter);


    /*
     * Wait
     */
    counter.block(0);
    if (counter.getrc() != BKException.Code.OK)
      throw BKException.create(counter.getrc());


    return counter.getLh();
  }

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   *          ledger handle object
   * @param ctx
   *          optional control object
   */
  public void createComplete(int rc, LedgerHandle lh, Object ctx) {
    SyncCounter counter = (SyncCounter) ctx;
    counter.setLh(lh);
    counter.setrc(rc);
    counter.dec();
  }

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   * @throws BKException
   */
  public LedgerHandle createLedger(int ensSize, int qSize,
      DigestType digestType, byte passwd[]) throws KeeperException,
      InterruptedException, IOException, BKException {
    SyncCounter counter = new SyncCounter();
    counter.inc();
    /*
     * Calls asynchronous version
     */
    asyncCreateLedger(ensSize, qSize, digestType, passwd, this, counter);


    /*
     * Wait
     */
    counter.block(0);
    if (counter.getLh() == null) {
      LOG.error("ZooKeeper error: " + counter.getrc());
      throw BKException.create(Code.ZKException);
    }


    return counter.getLh();
  }

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   *          ledger handle object
   * @param ctx
   *          optional control object
   */
  public void createComplete(int rc, LedgerHandle lh, Object ctx) {
    SyncCounter counter = (SyncCounter) ctx;
    counter.setLh(lh);
    counter.setrc(rc);
    counter.dec();
  }

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   * @throws BKException
   */
  public LedgerHandle createLedger(int ensSize, int qSize,
      DigestType digestType, byte passwd[]) throws KeeperException,
      InterruptedException, IOException, BKException {
    SyncCounter counter = new SyncCounter();
    counter.inc();
    /*
     * Calls asynchronous version
     */
    asyncCreateLedger(ensSize, qSize, digestType, passwd, this, counter);


    /*
     * Wait
     */
    counter.block(0);
    if (counter.getLh() == null) {
      LOG.error("ZooKeeper error: " + counter.getrc());
      throw BKException.create(Code.ZKException);
    }


    return counter.getLh();
  }

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   *          ledger handle
   * @param ctx
   *          optional control object
   */
  public void openComplete(int rc, LedgerHandle lh, Object ctx) {
    SyncCounter counter = (SyncCounter) ctx;
    counter.setLh(lh);


    LOG.debug("Open complete: " + rc);


    counter.setrc(rc);
    counter.dec();
  }

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   * @throws BKException
   */


  public LedgerHandle openLedger(long lId, DigestType digestType, byte passwd[])
      throws BKException, InterruptedException {
    SyncCounter counter = new SyncCounter();
    counter.inc();


    /*
     * Calls async open ledger
     */
    asyncOpenLedger(lId, digestType, passwd, this, counter);


    /*
     * Wait
     */
    counter.block(0);
    if (counter.getrc() != BKException.Code.OK)
      throw BKException.create(counter.getrc());


    return counter.getLh();
  }

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Related Classes of org.apache.bookkeeper.client.SyncCounter

org.apache.bookkeeper.client.BookKeeper

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