T
- public class PickAnyAccumulator<T> extends Object
AggregateOperations.pickAny()
aggregate operation. It maintains the
count of accumulated items so that it can properly set its value to
null
when all the items are deducted.Constructor and Description |
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PickAnyAccumulator()
Constructs an empty
pickAny accumulator. |
PickAnyAccumulator(T value,
long count)
Constructs a
pickAny accumulator with the full state passed in
the parameters. |
Modifier and Type | Method and Description |
---|---|
void |
accumulate(T t)
Accumulates an item.
|
void |
combine(PickAnyAccumulator<T> other)
Combines another accumulator with this one.
|
long |
count()
Returns the count of accumulated objects.
|
void |
deduct(PickAnyAccumulator<T> other)
Deducts another accumulator from this one.
|
boolean |
equals(Object o) |
T |
get()
Returns the picked object.
|
int |
hashCode() |
String |
toString() |
public PickAnyAccumulator()
pickAny
accumulator.public PickAnyAccumulator(T value, long count)
pickAny
accumulator with the full state passed in
the parameters.value
- the picked objectcount
- the count of accumulated objectspublic void combine(@Nonnull PickAnyAccumulator<T> other)
public void deduct(@Nonnull PickAnyAccumulator<T> other)
public T get()
public long count()
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