public class DispatchOp<T,U> extends Object implements IAggregableReduceOp<List<T>,List<U>>
IAggregableReduceOp
, each acting on one field, and each returning several
Writable
elements, in the form of a list of Writable
. It produces a reduce operation that
distributes a list of Writable
elements to these operations, one per operation.
Created by huitseeker on 5/14/17.Constructor and Description |
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DispatchOp() |
Modifier and Type | Method and Description |
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void |
accept(List<T> ts) |
<W extends IAggregableReduceOp<List<T>,List<U>>> |
combine(W accu) |
List<U> |
get() |
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