Package org.apache.storm.hdfs.trident.format

## Interface SequenceFormat

- All Superinterfaces:
    `Serializable`
  All Known Implementing Classes:
    `DefaultSequenceFormat`

      public interface SequenceFormat
      extends Serializable

  Interface for converting `TridentTuple` objects to HDFS sequence file key-value pairs.

- - ### Method Summary

    All Methods Instance Methods Abstract Methods
    Modifier and Type | Method | Description
    --- | --- | ---
    `org.apache.hadoop.io.Writable` | `key​(TridentTuple tuple)` | Given a tuple, return the key that should be written to the sequence file.
    `Class` | `keyClass()` | Key class used by implementation (e.g.
    `org.apache.hadoop.io.Writable` | `value​(TridentTuple tuple)` | Given a tuple, return the value that should be written to the sequence file.
    `Class` | `valueClass()` | Value class used by implementation (e.g.

- - ### Method Detail

    - #### 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

          org.apache.hadoop.io.Writable key​(TridentTuple tuple)

      Given a tuple, return the key that should be written to the sequence file.

    - #### value

          org.apache.hadoop.io.Writable value​(TridentTuple tuple)

      Given a tuple, return the value that should be written to the sequence file.