Package org.apache.hadoop.hive.ql.lockmgr.HiveLockObject

Examples of org.apache.hadoop.hive.ql.lockmgr.HiveLockObject.HiveLockObjectData

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  }

  public void unlock(HiveLock hiveLock, int numRetriesForUnLock, long sleepTime)
      throws LockException {
    String[] paths = hiveLock.getHiveLockObject().getPaths();
    HiveLockObjectData data = hiveLock.getHiveLockObject().getData();
    for (int i = 0; i <= numRetriesForUnLock; i++) {
      if (i > 0) {
        sleep(sleepTime);
      }
      if (root.unlock(paths, data)) {
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   */
  private List<HiveLockObj> getLockObjects(Database d, Table t, Partition p, HiveLockMode mode)
      throws SemanticException {
    List<HiveLockObj> locks = new LinkedList<HiveLockObj>();

    HiveLockObjectData lockData =
      new HiveLockObjectData(plan.getQueryId(),
                             String.valueOf(System.currentTimeMillis()),
                             "IMPLICIT",
                             plan.getQueryStr());
    if (d != null) {
      locks.add(new HiveLockObj(new HiveLockObject(d.getName(), lockData), mode));
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        HiveLock lock = locksIter.next();
        outStream.writeBytes(lock.getHiveLockObject().getDisplayName());
        outStream.write(separator);
        outStream.writeBytes(lock.getHiveLockMode().toString());
        if (isExt) {
          HiveLockObjectData lockData = lock.getHiveLockObject().getData();
          if (lockData != null) {
            outStream.write(terminator);
            outStream.writeBytes("LOCK_QUERYID:" + lockData.getQueryId());
            outStream.write(terminator);
            outStream.writeBytes("LOCK_TIME:" + lockData.getLockTime());
            outStream.write(terminator);
            outStream.writeBytes("LOCK_MODE:" + lockData.getLockMode());
            outStream.write(terminator);
            outStream.writeBytes("LOCK_QUERYSTRING:" + lockData.getQueryStr());
          }
        }
        outStream.write(terminator);
      }
      outStream.close();
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    if (tbl == null) {
      throw new HiveException("Table " + tabName + " does not exist ");
    }

    Map<String, String> partSpec = lockTbl.getPartSpec();
    HiveLockObjectData lockData =
        new HiveLockObjectData(lockTbl.getQueryId(),
            String.valueOf(System.currentTimeMillis()),
            "EXPLICIT",
            lockTbl.getQueryStr());

    if (partSpec == null) {
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    Database dbObj = db.getDatabase(dbName);
    if (dbObj == null) {
      throw new HiveException("Database " + dbName + " does not exist ");
    }

    HiveLockObjectData lockData =
        new HiveLockObjectData(lockDb.getQueryId(),
            String.valueOf(System.currentTimeMillis()),
            "EXPLICIT", lockDb.getQueryStr());

    HiveLock lck = lockMgr.lock(new HiveLockObject(dbObj.getName(), lockData), mode, true);
    if (lck == null) {
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public class TestHiveLockObject {

  @Test
  public void testEqualsAndHashCode() {
    HiveLockObjectData data1 = new HiveLockObjectData("ID1", "SHARED", "1997-07-01", "select * from mytable");
    HiveLockObjectData data2 = new HiveLockObjectData("ID1", "SHARED", "1997-07-01", "select * from mytable");
    Assert.assertEquals(data1, data2);
    Assert.assertEquals(data1.hashCode(), data2.hashCode());

    HiveLockObject obj1 = new HiveLockObject("mytable", data1);
    HiveLockObject obj2 = new HiveLockObject("mytable", data2);
    Assert.assertEquals(obj1, obj2);
    Assert.assertEquals(obj1.hashCode(), obj2.hashCode());
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        HiveLock lock = locksIter.next();
        outStream.writeBytes(lock.getHiveLockObject().getDisplayName());
        outStream.write(separator);
        outStream.writeBytes(lock.getHiveLockMode().toString());
        if (isExt) {
          HiveLockObjectData lockData = lock.getHiveLockObject().getData();
          if (lockData != null) {
            outStream.write(terminator);
            outStream.writeBytes("LOCK_QUERYID:" + lockData.getQueryId());
            outStream.write(terminator);
            outStream.writeBytes("LOCK_TIME:" + lockData.getLockTime());
            outStream.write(terminator);
            outStream.writeBytes("LOCK_MODE:" + lockData.getLockMode());
            outStream.write(terminator);
            outStream.writeBytes("LOCK_QUERYSTRING:" + lockData.getQueryStr());
          }
        }
        outStream.write(terminator);
      }
      ((FSDataOutputStream) outStream).close();
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    if (tbl == null) {
      throw new HiveException("Table " + tabName + " does not exist ");
    }

    Map<String, String> partSpec = lockTbl.getPartSpec();
    HiveLockObjectData lockData =
      new HiveLockObjectData(lockTbl.getQueryId(),
                             String.valueOf(System.currentTimeMillis()),
                             "EXPLICIT",
                             lockTbl.getQueryStr());

    if (partSpec == null) {
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  }

  public void unlock(HiveLock hiveLock, int numRetriesForUnLock, int sleepTime)
      throws LockException {
    String[] paths = hiveLock.getHiveLockObject().getPaths();
    HiveLockObjectData data = hiveLock.getHiveLockObject().getData();
    for (int i = 0; i <= numRetriesForUnLock; i++) {
      if (i > 0) {
        sleep(sleepTime);
      }
      if (root.unlock(paths, data)) {
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    // If the parents have already been created, create the last child only
    List<String> names = new ArrayList<String>();
    String lastName;

    HiveLockObjectData lockData = key.getData();
    lockData.setClientIp(clientIp);

    if (parentCreated) {
      lastName = getLastObjectName(parent, key);
      names.add(lastName);
    } else {
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Related Classes of org.apache.hadoop.hive.ql.lockmgr.HiveLockObject.HiveLockObjectData

  • org.apache.hadoop.hive.ql.Driver
  • org.apache.hadoop.hive.ql.exec.DDLTask
  • org.apache.hadoop.hive.ql.lockmgr.EmbeddedLockManager
  • org.apache.hadoop.hive.ql.lockmgr.TestDummyTxnManager
  • org.apache.hadoop.hive.ql.lockmgr.TestEmbeddedLockManager
  • org.apache.hadoop.hive.ql.lockmgr.TestHiveLockObject
  • org.apache.hadoop.hive.ql.lockmgr.zookeeper.ZooKeeperHiveLockManager
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