Examples of org.apache.hcatalog.hbase.snapshot.lock.WriteLock.lock()

Package org.apache.hcatalog.hbase.snapshot.lock

Class org.apache.hcatalog.hbase.snapshot.lock.WriteLock

Examples of org.apache.hcatalog.hbase.snapshot.lock.WriteLock.lock()

org.apache.hcatalog.hbase.snapshot.lock.WriteLock.lock()
Attempts to acquire the exclusive write lock returning whether or not it was acquired. Note that the exclusive lock may be acquired some time later after this method has been invoked due to the current lock owner going away.

    WriteLock wLock = new WriteLock(zkUtil.getSession(), lockPath,
      Ids.OPEN_ACL_UNSAFE);
    RMLockListener myLockListener = new RMLockListener();
    wLock.setLockListener(myLockListener);
    try {
      boolean lockGrabbed = wLock.lock();
      if (lockGrabbed == false) {
        //TO DO : Let this request queue up and try obtaining lock.
        throw new IOException(
          "Unable to obtain lock while beginning transaction. "
            + transaction.toString());

View Full Code Here

    WriteLock wLock = new WriteLock(zkUtil.getSession(), lockPath,
      Ids.OPEN_ACL_UNSAFE);
    RMLockListener myLockListener = new RMLockListener();
    wLock.setLockListener(myLockListener);
    try {
      boolean lockGrabbed = wLock.lock();
      if (lockGrabbed == false) {
        //TO DO : Let this request queue up and try obtaining lock.
        throw new IOException(
          "Unable to obtain lock while commiting transaction. "
            + transaction.toString());

View Full Code Here

    WriteLock wLock = new WriteLock(zkUtil.getSession(), lockPath,
      Ids.OPEN_ACL_UNSAFE);
    RMLockListener myLockListener = new RMLockListener();
    wLock.setLockListener(myLockListener);
    try {
      boolean lockGrabbed = wLock.lock();
      if (lockGrabbed == false) {
        //TO DO : Let this request queue up and try obtaining lock.
        throw new IOException(
          "Unable to obtain lock while aborting transaction. "
            + transaction.toString());

View Full Code Here

    WriteLock wLock = new WriteLock(zkUtil.getSession(), lockPath,
      Ids.OPEN_ACL_UNSAFE);
    RMLockListener myLockListener = new RMLockListener();
    wLock.setLockListener(myLockListener);
    try {
      boolean lockGrabbed = wLock.lock();
      if (lockGrabbed == false) {
        //TO DO : Let this request queue up and try obtaining lock.
        throw new IOException(
          "Unable to obtain lock for keep alive of transaction. "
            + transaction.toString());

View Full Code Here

    WriteLock wLock = new WriteLock(zkUtil.getSession(), lockPath,
      Ids.OPEN_ACL_UNSAFE);
    RMLockListener myLockListener = new RMLockListener();
    wLock.setLockListener(myLockListener);
    try {
      boolean lockGrabbed = wLock.lock();
      if (lockGrabbed == false) {
        //TO DO : Let this request queue up and try obtaining lock.
        throw new IOException(
          "Unable to obtain lock while refreshing transactions of table "
            + tableName + ".");

View Full Code Here

        WriteLock wLock = new WriteLock(zkUtil.getSession(), lockPath,
            Ids.OPEN_ACL_UNSAFE);
        RMLockListener myLockListener = new RMLockListener();
        wLock.setLockListener(myLockListener);
        try {
            boolean lockGrabbed = wLock.lock();
            if (lockGrabbed == false) {
                //TO DO : Let this request queue up and try obtaining lock.
                throw new IOException(
                    "Unable to obtain lock while beginning transaction. "
                        + transaction.toString());

View Full Code Here

        WriteLock wLock = new WriteLock(zkUtil.getSession(), lockPath,
            Ids.OPEN_ACL_UNSAFE);
        RMLockListener myLockListener = new RMLockListener();
        wLock.setLockListener(myLockListener);
        try {
            boolean lockGrabbed = wLock.lock();
            if (lockGrabbed == false) {
                //TO DO : Let this request queue up and try obtaining lock.
                throw new IOException(
                    "Unable to obtain lock while commiting transaction. "
                        + transaction.toString());

View Full Code Here

        WriteLock wLock = new WriteLock(zkUtil.getSession(), lockPath,
            Ids.OPEN_ACL_UNSAFE);
        RMLockListener myLockListener = new RMLockListener();
        wLock.setLockListener(myLockListener);
        try {
            boolean lockGrabbed = wLock.lock();
            if (lockGrabbed == false) {
                //TO DO : Let this request queue up and try obtaining lock.
                throw new IOException(
                    "Unable to obtain lock while aborting transaction. "
                        + transaction.toString());

View Full Code Here

        WriteLock wLock = new WriteLock(zkUtil.getSession(), lockPath,
            Ids.OPEN_ACL_UNSAFE);
        RMLockListener myLockListener = new RMLockListener();
        wLock.setLockListener(myLockListener);
        try {
            boolean lockGrabbed = wLock.lock();
            if (lockGrabbed == false) {
                //TO DO : Let this request queue up and try obtaining lock.
                throw new IOException(
                    "Unable to obtain lock for keep alive of transaction. "
                        + transaction.toString());

View Full Code Here

        WriteLock wLock = new WriteLock(zkUtil.getSession(), lockPath,
            Ids.OPEN_ACL_UNSAFE);
        RMLockListener myLockListener = new RMLockListener();
        wLock.setLockListener(myLockListener);
        try {
            boolean lockGrabbed = wLock.lock();
            if (lockGrabbed == false) {
                //TO DO : Let this request queue up and try obtaining lock.
                throw new IOException(
                    "Unable to obtain lock while refreshing transactions of table "
                        + tableName + ".");

View Full Code Here

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