public abstract class ObjectAggregateCombiner<T> extends Object implements AggregateCombiner<T>, ObjectColumnSelector<T>
AggregateCombiner
for object aggregations.Constructor and Description |
---|
ObjectAggregateCombiner() |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
fold, inspectRuntimeShape, reset
getDouble, getFloat, getLong
classOfObject, getObject
Copyright © 2011–2018. All rights reserved.