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public interface OutputCollector<K,V>
Collects the <key, value> pairs output by Mappers
and Reducers.
OutputCollector is the generalization of the facility
provided by the Map-Reduce framework to collect data output by either the
Mapper or the Reducer i.e. intermediate outputs
or the output of the job.
| Method Summary | |
|---|---|
void |
collect(K key,
V value)
Adds a key/value pair to the output. |
| Method Detail |
|---|
void collect(K key,
V value)
throws IOException
key - the key to collect.value - to value to collect.
IOException
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