org.apache.storm.hdfs.trident.format

## Class DefaultSequenceFormat

- java.lang.Object
- - org.apache.storm.hdfs.trident.format.DefaultSequenceFormat

- All Implemented Interfaces:
    Serializable, SequenceFormat

      public class DefaultSequenceFormat
      extends Object
      implements SequenceFormat

  Basic `SequenceFormat` implementation that uses `LongWritable` for keys and `Text` for values.

  See Also:
    Serialized Form

- - ### Constructor Summary

    Constructors
    Constructor and Description
    `DefaultSequenceFormat(String keyField, String valueField)`

  - ### Method Summary

    All Methods Instance Methods Concrete Methods
    Modifier and Type | Method and 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.

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

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

- - ### Constructor Detail

    - #### DefaultSequenceFormat

          public DefaultSequenceFormat(String keyField,
                                       String valueField)

  - ### Method Detail

    - #### keyClass

          public Class keyClass()

      Description copied from interface: `SequenceFormat`

      Key class used by implementation (e.g. IntWritable.class, etc.).

      Specified by:
        `keyClass` in interface `SequenceFormat`

    - #### valueClass

          public Class valueClass()

      Description copied from interface: `SequenceFormat`

      Value class used by implementation (e.g. Text.class, etc.).

      Specified by:
        `valueClass` in interface `SequenceFormat`

    - #### key

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

      Description copied from interface: `SequenceFormat`

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

      Specified by:
        `key` in interface `SequenceFormat`

    - #### value

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

      Description copied from interface: `SequenceFormat`

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

      Specified by:
        `value` in interface `SequenceFormat`

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