MapReduce.MapEmitter (Apache TinkerPop 3.5.8 API)

Type Parameters:

K - the key type

V - the value type

All Known Implementing Classes:

TinkerMapEmitter

Enclosing interface:

MapReduce<MK,MV,RK,RV,R>
```
public static interface MapReduce.MapEmitter<K,V>
```
The MapEmitter is used to emit key/value pairs from the map() stage of the MapReduce job. The implementation of MapEmitter is up to the vendor, not the developer.

Method Summary

All Methods Instance Methods Abstract Methods Default Methods
Modifier and Type	Method	Description
`void`	`emit(K key, V value)`
`default void`	`emit(V value)`	A default method that assumes the key is `MapReduce.NullObject`.

- Method Detail
  - emit
```
void emit(K key,
          V value)
```
  - emit
```
default void emit(V value)
```
    A default method that assumes the key is MapReduce.NullObject.
    
    Parameters:
    
    value - the value to emit.