KeyFactory.DefaultKeyFactory (Storm 2.7.1 API)

java.lang.Object
- org.apache.storm.redis.trident.state.KeyFactory.DefaultKeyFactory

All Implemented Interfaces:

Serializable, KeyFactory

Enclosing interface:

KeyFactory
```
public static class KeyFactory.DefaultKeyFactory
extends Object
implements KeyFactory
```
Default Key Factory.

See Also:

Serialized Form

- Nested Class Summary
  - Nested classes/interfaces inherited from interface org.apache.storm.redis.trident.state.KeyFactory
    KeyFactory.DefaultKeyFactory
- Constructor Summary
  
  Constructors
  Constructor Description
  
  DefaultKeyFactory()
- Method Summary
  
  All Methods Instance Methods Concrete Methods
  Modifier and Type Method Description
  
  String build(List<Object> key)
  Converts state key to Redis key.
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - DefaultKeyFactory
```
public DefaultKeyFactory()
```
- Method Detail
  - build
```
public String build(List<Object> key)
```
    Converts state key to Redis key.
    Currently DefaultKeyFactory returns just first element of list.
    
    Specified by:
    
    build in interface KeyFactory
    
    Parameters:
    
    key - state key
    
    Returns:
    
    Redis key
    
    Throws:
    
    RuntimeException - when key is compound key
    
    See Also:
    
    KeyFactory.build(List)