Package org.apache.hadoop.io

Examples of org.apache.hadoop.io.DataInputByteBuffer

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            credentials);

    Assert.assertEquals("ACLs mismatch", acls, launchCtx.getApplicationACLs());
    Credentials launchCredentials = new Credentials();

    DataInputByteBuffer dibb = new DataInputByteBuffer();
    dibb.reset(launchCtx.getContainerTokens());
    launchCredentials.readTokenStorageStream(dibb);

    // verify all tokens specified for the task attempt are in the launch context
    for (Token<? extends TokenIdentifier> token : credentials.getAllTokens()) {
      Token<? extends TokenIdentifier> launchToken =
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   * If the buffer is null or empty, it returns an empty Credentials.
   */
  public static Credentials decodeCredentials(ByteBuffer buffer) throws IOException {
    Credentials credentials = new Credentials();
    if (buffer != null && buffer.hasRemaining()) {
      DataInputByteBuffer in = new DataInputByteBuffer();
      in.reset(buffer);
      credentials.readTokenStorageStream(in);
    }
    return credentials;
  }
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            new ApplicationAttemptStateDataPBImpl(
                ApplicationAttemptStateDataProto.parseFrom(attemptData));
        Credentials credentials = null;
        if (attemptStateData.getAppAttemptTokens() != null) {
          credentials = new Credentials();
          DataInputByteBuffer dibb = new DataInputByteBuffer();
          dibb.reset(attemptStateData.getAppAttemptTokens());
          credentials.readTokenStorageStream(dibb);
        }

        ApplicationAttemptState attemptState =
            new ApplicationAttemptState(attemptId,
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      ApplicationAttemptId appAttemptId,
      ApplicationAttemptStateDataPBImpl attemptStateData)
      throws Exception {
    Credentials credentials = null;
    if(attemptStateData.getAppAttemptTokens() != null){
      DataInputByteBuffer dibb = new DataInputByteBuffer();
      credentials = new Credentials();
      dibb.reset(attemptStateData.getAppAttemptTokens());
      credentials.readTokenStorageStream(dibb);
    }
    ApplicationAttemptState attemptState =
        new ApplicationAttemptState(appAttemptId,
          attemptStateData.getMasterContainer(), credentials,
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      ApplicationAttemptId appAttemptId,
      ApplicationAttemptStateDataPBImpl attemptStateData)
      throws Exception {
    Credentials credentials = null;
    if (attemptStateData.getAppAttemptTokens() != null) {
      DataInputByteBuffer dibb = new DataInputByteBuffer();
      credentials = new Credentials();
      dibb.reset(attemptStateData.getAppAttemptTokens());
      credentials.readTokenStorageStream(dibb);
    }
    ApplicationAttemptState updatedAttemptState =
        new ApplicationAttemptState(appAttemptId,
          attemptStateData.getMasterContainer(), credentials,
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    environment.put(ApplicationConstants.MAX_APP_ATTEMPTS_ENV,
        String.valueOf(rmContext.getRMApps().get(
            applicationId).getMaxAppAttempts()));

    Credentials credentials = new Credentials();
    DataInputByteBuffer dibb = new DataInputByteBuffer();
    if (container.getTokens() != null) {
      // TODO: Don't do this kind of checks everywhere.
      dibb.reset(container.getTokens());
      credentials.readTokenStorageStream(dibb);
    }

    // Add AMRMToken
    Token<AMRMTokenIdentifier> amrmToken = getAMRMToken();
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                new ApplicationAttemptStateDataPBImpl(
                  ApplicationAttemptStateDataProto.parseFrom(childData));
            Credentials credentials = null;
            if (attemptStateData.getAppAttemptTokens() != null) {
              credentials = new Credentials();
              DataInputByteBuffer dibb = new DataInputByteBuffer();
              dibb.reset(attemptStateData.getAppAttemptTokens());
              credentials.readTokenStorageStream(dibb);
            }
            ApplicationAttemptState attemptState =
                new ApplicationAttemptState(attemptId,
                  attemptStateData.getMasterContainer(), credentials,
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  }
 
  private Credentials parseCredentials(ApplicationSubmissionContext application)
      throws IOException {
    Credentials credentials = new Credentials();
    DataInputByteBuffer dibb = new DataInputByteBuffer();
    ByteBuffer tokens = application.getAMContainerSpec().getTokens();
    if (tokens != null) {
      dibb.reset(tokens);
      credentials.readTokenStorageStream(dibb);
      tokens.rewind();
    }
    return credentials;
  }
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   * @param meta the metadata returned by the ShuffleHandler
   * @return the port the Shuffle Handler is listening on to serve shuffle data.
   */
  public static int deserializeMetaData(ByteBuffer meta) throws IOException {
    //TODO this should be returning a class not just an int
    DataInputByteBuffer in = new DataInputByteBuffer();
    in.reset(meta);
    int port = in.readInt();
    return port;
  }
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    jobToken.write(jobToken_dob);
    return ByteBuffer.wrap(jobToken_dob.getData(), 0, jobToken_dob.getLength());
  }

  static Token<JobTokenIdentifier> deserializeServiceData(ByteBuffer secret) throws IOException {
    DataInputByteBuffer in = new DataInputByteBuffer();
    in.reset(secret);
    Token<JobTokenIdentifier> jt = new Token<JobTokenIdentifier>();
    jt.readFields(in);
    return jt;
  }
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Related Classes of org.apache.hadoop.io.DataInputByteBuffer

  • org.apache.hadoop.mapred.ShuffleHandler
  • org.apache.hadoop.mapreduce.v2.app.job.impl.TestTaskAttempt
  • org.apache.hadoop.mapreduce.v2.app.job.impl.TestTaskAttemptContainerRequest
  • org.apache.hadoop.yarn.client.api.impl.TestYarnClient
  • org.apache.hadoop.yarn.client.api.impl.YarnClientImpl
  • org.apache.hadoop.yarn.server.nodemanager.containermanager.ContainerManagerImpl
  • org.apache.hadoop.yarn.server.resourcemanager.amlauncher.AMLauncher
  • org.apache.hadoop.yarn.server.resourcemanager.recovery.FileSystemRMStateStore
  • org.apache.hadoop.yarn.server.resourcemanager.recovery.MemoryRMStateStore
  • org.apache.hadoop.yarn.server.resourcemanager.recovery.ZKRMStateStore
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