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public interface Joiner
Interface Joiner allows for custom join strategies against a HadoopCoGroupClosure
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Method Summary | |
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Iterator<Tuple> |
getIterator(JoinerClosure closure)
Returns an iterator that joins the given CoGroupClosure co-groups. |
int |
numJoins()
Returns the number of joins this instance can handle. |
Method Detail |
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Iterator<Tuple> getIterator(JoinerClosure closure)
closure
- of type GroupClosure
int numJoins()
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