Interface MapReduce.MapEmitter<K,V>
- Type Parameters:
K- the key typeV- the value type
- All Known Implementing Classes:
TinkerMapEmitter
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.
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Method Summary
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Method Details
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emit
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emit
A default method that assumes the key isMapReduce.NullObject.- Parameters:
value- the value to emit.
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