Interface AccumulatorFactory
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public interface AccumulatorFactoryFactory to create accumulators. An Accumulator is processor for one group key for one execution.
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description AccumulatorcreateAccumulator(AggCustom agg, boolean distinct)
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Method Detail
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createAccumulator
Accumulator createAccumulator(AggCustom agg, boolean distinct)
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