RCollectionMapper (Redisson 3.16.1 API)乐学网一站式学习平台

Type Parameters:

VIn - input value

KOut - output key

VOut - output value

All Superinterfaces:

Serializable
```
public interface RCollectionMapper<VIn,KOut,VOut>
extends Serializable
```
Mapper task invoked during map phase of MapReduce process and launched across Redisson Nodes. Every task stores transformed result of input key and value into RCollector instance. Collected results are handled by RReducer instance once all Mapper tasks have finished.

Author:

Nikita Koksharov

- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  void map(VIn value, RCollector<KOut,VOut> collector)
  Invoked for each Collection source entry

- Method Detail
  - map
```
void map(VIn value,
         RCollector<KOut,VOut> collector)
```
    Invoked for each Collection source entry
    
    Parameters:
    
    value - - input value
    
    collector - - instance shared across all Mapper tasks