DefaultSequenceFormat (Storm 2.7.1 API)

java.lang.Object
- org.apache.storm.hdfs.bolt.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 Description

DefaultSequenceFormat(String keyField, String valueField)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`org.apache.hadoop.io.Writable`	`key(Tuple 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(Tuple 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(Tuple 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(Tuple 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