StateProvider (Storm 2.7.1 API)

All Known Implementing Classes:

InMemoryKeyValueStateProvider, RedisKeyValueStateProvider
```
public interface StateProvider
```
Used by the StateFactory to create a new state instances.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`State`	`newState(String namespace, Map<String,Object> topoConf, TopologyContext context)`	Returns a new state instance.

- Method Detail
  - newState
```
State newState(String namespace,
               Map<String,Object> topoConf,
               TopologyContext context)
```
    Returns a new state instance. Each state belongs unique namespace which is typically the componentid-task of the task, so that each task can have its own unique state.
    
    Parameters:
    
    namespace - a namespace of the state
    
    topoConf - the storm topology configuration
    
    context - the TopologyContext
    
    Returns:
    
    a previously saved state if one exists otherwise a newly initialized state.