Interface SequenceFormat

All Superinterfaces:
Serializable
All Known Implementing Classes:
DefaultSequenceFormat

public interface SequenceFormat extends Serializable
Interface for converting Tuple objects to HDFS sequence file key-value pairs.
  • Method Summary

    Modifier and Type
    Method
    Description
    key(Tuple tuple)
    Given a tuple, return the key that should be written to the sequence file.
    Key class used by implementation (e.g.
    value(Tuple tuple)
    Given a tuple, return the value that should be written to the sequence file.
    Value class used by implementation (e.g.
  • Method Details

    • keyClass

      Class keyClass()
      Key class used by implementation (e.g. IntWritable.class, etc.).
    • valueClass

      Class valueClass()
      Value class used by implementation (e.g. Text.class, etc.).
    • key

      Object key(Tuple tuple)
      Given a tuple, return the key that should be written to the sequence file.
    • value

      Object value(Tuple tuple)
      Given a tuple, return the value that should be written to the sequence file.