Package org.apache.accumulo.server.zookeeper

Examples of org.apache.accumulo.server.zookeeper.ZooLock.tryLock()

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        }
      }
    };
   
    byte[] lockContent = new ServerServices(addressString, Service.TSERV_CLIENT).toString().getBytes(Constants.UTF8);
    if (zlock.tryLock(lw, lockContent)) {
      log.debug("Obtained tablet server lock " + zlock.getLockPath());
    }
    // modify !METADATA
    synchronized (tch) {
      while (!tch.halted) {
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  public void run() throws Exception {
    String zPath = ZooUtil.getRoot(HdfsZooInstance.getInstance()) + "/testLock";
    IZooReaderWriter zoo = ZooReaderWriter.getInstance();
    zoo.putPersistentData(zPath, new byte[0], NodeExistsPolicy.OVERWRITE);
    ZooLock zl = new ZooLock(zPath);
    boolean gotLock = zl.tryLock(new LockWatcher() {
     
      @Override
      public void lostLock(LockLossReason reason) {
        System.exit(-1);
       
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  public void run() throws Exception {
    String zPath = ZooUtil.getRoot(HdfsZooInstance.getInstance()) + "/testLock";
    IZooReaderWriter zoo = ZooReaderWriter.getInstance();
    zoo.putPersistentData(zPath, "".getBytes(), NodeExistsPolicy.OVERWRITE);
    ZooLock zl = new ZooLock(zPath);
    boolean gotLock = zl.tryLock(new LockWatcher() {
     
      @Override
      public void lostLock(LockLossReason reason) {
        System.exit(-1);
       
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        }
      }
    };
   
    byte[] lockContent = new ServerServices(addressString, Service.TSERV_CLIENT).toString().getBytes();
    if (zlock.tryLock(lw, lockContent)) {
      log.debug("Obtained tablet server lock " + zlock.getLockPath());
    }
    // modify !METADATA
    synchronized (tch) {
      while (!tch.halted) {
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  private void run() throws Exception {
    String zPath = ZooUtil.getRoot(HdfsZooInstance.getInstance()) + "/testLock";
    IZooReaderWriter zoo = ZooReaderWriter.getInstance();
    zoo.putPersistentData(zPath, new byte[0], NodeExistsPolicy.OVERWRITE);
    ZooLock zl = new ZooLock(zPath);
    boolean gotLock = zl.tryLock(new LockWatcher() {
     
      @Override
      public void lostLock(LockLossReason reason) {
        System.exit(-1);
       
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        }
      }
    };
   
    byte[] lockContent = new ServerServices(addressString, Service.TSERV_CLIENT).toString().getBytes();
    if (zlock.tryLock(lw, lockContent)) {
      log.debug("Obtained tablet server lock " + zlock.getLockPath());
    }
    // modify !METADATA
    while (!tch.halted) {
      synchronized (tch) {
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  public void run() throws Exception {
    String zPath = ZooUtil.getRoot(HdfsZooInstance.getInstance()) + "/testLock";
    IZooReaderWriter zoo = ZooReaderWriter.getInstance();
    zoo.putPersistentData(zPath, "".getBytes(), NodeExistsPolicy.OVERWRITE);
    ZooLock zl = new ZooLock(zPath);
    boolean gotLock = zl.tryLock(new LockWatcher() {
     
      @Override
      public void lostLock(LockLossReason reason) {
        System.exit(-1);
       
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  private void run() throws Exception {
    String zPath = ZooUtil.getRoot(HdfsZooInstance.getInstance()) + "/testLock";
    IZooReaderWriter zoo = ZooReaderWriter.getInstance();
    zoo.putPersistentData(zPath, new byte[0], NodeExistsPolicy.OVERWRITE);
    ZooLock zl = new ZooLock(zPath);
    boolean gotLock = zl.tryLock(new LockWatcher() {
     
      @Override
      public void lostLock(LockLossReason reason) {
        System.exit(-1);
       
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        }
      }
    };
   
    byte[] lockContent = new ServerServices(addressString, Service.TSERV_CLIENT).toString().getBytes(Constants.UTF8);
    if (zlock.tryLock(lw, lockContent)) {
      log.debug("Obtained tablet server lock " + zlock.getLockPath());
    }
    // modify metadata
    synchronized (tch) {
      while (!tch.halted) {
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        }
      }
    };
   
    byte[] lockContent = new ServerServices(addressString, Service.TSERV_CLIENT).toString().getBytes();
    if (zlock.tryLock(lw, lockContent)) {
      log.debug("Obtained tablet server lock " + zlock.getLockPath());
    }
    // modify !METADATA
    while (!tch.halted) {
      synchronized (tch) {
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