org.apache.sysds.runtime.util

## Class BinaryBlockInputFormat

- java.lang.Object
- - org.apache.hadoop.mapred.FileInputFormat<K,V>
  - - org.apache.hadoop.mapred.SequenceFileInputFormat<MatrixIndexes,MatrixBlock>
    - - org.apache.sysds.runtime.util.BinaryBlockInputFormat

- All Implemented Interfaces:
    org.apache.hadoop.mapred.InputFormat<MatrixIndexes,MatrixBlock>

      public class BinaryBlockInputFormat
      extends org.apache.hadoop.mapred.SequenceFileInputFormat<MatrixIndexes,MatrixBlock>

  Custom binary block input format to return the custom record reader.

  NOTE: Not used by default.

  NOTE: Used for performance debugging of binary block HDFS reads.

- - ### Nested Class Summary

    - ### Nested classes/interfaces inherited from class org.apache.hadoop.mapred.FileInputFormat

      `org.apache.hadoop.mapred.FileInputFormat.Counter`

  - ### Field Summary

    - ### Fields inherited from class org.apache.hadoop.mapred.FileInputFormat

      `INPUT_DIR_RECURSIVE, LOG, NUM_INPUT_FILES`

  - ### Constructor Summary

    Constructors
    Constructor and Description
    `BinaryBlockInputFormat()`

  - ### Method Summary

    All Methods Instance Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `org.apache.hadoop.mapred.RecordReader<MatrixIndexes,MatrixBlock>` | `getRecordReader(org.apache.hadoop.mapred.InputSplit split, org.apache.hadoop.mapred.JobConf job, org.apache.hadoop.mapred.Reporter reporter)`

    - ### Methods inherited from class org.apache.hadoop.mapred.FileInputFormat

      `addInputPath, addInputPaths, getInputPathFilter, getInputPaths, getSplits, setInputPathFilter, setInputPaths, setInputPaths`

    - ### Methods inherited from class java.lang.Object

      `equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

- - ### Constructor Detail

    - #### BinaryBlockInputFormat

          public BinaryBlockInputFormat()

  - ### Method Detail

    - #### getRecordReader

          public org.apache.hadoop.mapred.RecordReader<MatrixIndexes,MatrixBlock> getRecordReader(org.apache.hadoop.mapred.InputSplit split,
                                                                                                  org.apache.hadoop.mapred.JobConf job,
                                                                                                  org.apache.hadoop.mapred.Reporter reporter)
                                                                                           throws IOException

      Specified by:
        `getRecordReader` in interface `org.apache.hadoop.mapred.InputFormat<MatrixIndexes,MatrixBlock>`
      Overrides:
        `getRecordReader` in class `org.apache.hadoop.mapred.SequenceFileInputFormat<MatrixIndexes,MatrixBlock>`
      Throws:
        `IOException`

Copyright © 2021 The Apache Software Foundation. All rights reserved.