@Internal public abstract class SumFunction extends Object implements Serializable
SumAggregator
SumFunction()
abstract Object
add(Object o1, Object o2)
static SumFunction
getForClass(Class<?> clazz)
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
public SumFunction()
public abstract Object add(Object o1, Object o2)
public static SumFunction getForClass(Class<?> clazz)
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