Java Code Examples for org.apache.hadoop.hive.metastore.api.CheckLockRequest

The following examples show how to use org.apache.hadoop.hive.metastore.api.CheckLockRequest. These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source Project: iceberg   Source File: HiveTableOperations.java    License: Apache License 2.0 6 votes vote down vote up
private long acquireLock() throws UnknownHostException, TException {
  final LockComponent lockComponent = new LockComponent(LockType.EXCLUSIVE, LockLevel.TABLE, database);
  lockComponent.setTablename(tableName);
  final LockRequest lockRequest = new LockRequest(Lists.newArrayList(lockComponent),
          System.getProperty("user.name"),
          InetAddress.getLocalHost().getHostName());
  LockResponse lockResponse = metaStoreClient.lock(lockRequest);
  LockState state = lockResponse.getState();
  long lockId = lockResponse.getLockid();
  //TODO add timeout
  while (state.equals(LockState.WAITING)) {
    lockResponse = metaStoreClient.check_lock(new CheckLockRequest(lockResponse.getLockid()));
    state = lockResponse.getState();
  }

  if (!state.equals(LockState.ACQUIRED)) {
    throw new CommitFailedException(format("Could not acquire the lock on %s.%s, " +
            "lock request ended in state %s", database, tableName, state));
  }
  return lockId;
}
 
Example 2
Source Project: waggle-dance   Source File: FederatedHMSHandlerTest.java    License: Apache License 2.0 5 votes vote down vote up
@Test
public void check_lock() throws TException {
  CheckLockRequest request = new CheckLockRequest();
  LockResponse expected = new LockResponse();
  when(primaryClient.check_lock(request)).thenReturn(expected);
  LockResponse result = handler.check_lock(request);
  assertThat(result, is(expected));
}
 
Example 3
Source Project: presto   Source File: ThriftHiveMetastoreClient.java    License: Apache License 2.0 4 votes vote down vote up
@Override
public LockResponse checkLock(long lockId)
        throws TException
{
    return client.check_lock(new CheckLockRequest(lockId));
}
 
Example 4
Source Project: waggle-dance   Source File: FederatedHMSHandler.java    License: Apache License 2.0 4 votes vote down vote up
@Override
@Loggable(value = Loggable.DEBUG, skipResult = true, name = INVOCATION_LOG_NAME)
public LockResponse check_lock(CheckLockRequest rqst)
    throws NoSuchTxnException, TxnAbortedException, NoSuchLockException, TException {
  return getPrimaryClient().check_lock(rqst);
}
 
Example 5
Source Project: metacat   Source File: CatalogThriftHiveMetastore.java    License: Apache License 2.0 4 votes vote down vote up
/**
 * {@inheritDoc}
 */
@Override
public LockResponse check_lock(final CheckLockRequest rqst) throws TException {
    throw unimplemented("check_lock", new Object[]{rqst});
}