trait AggregateCallback extends AnyRef
Callback for handling partial results, so that a scan can be interrupted if it's taking too long
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abstract
def
batch(bytes: Array[Byte]): Boolean
Invoked when a batch of data has been aggregated
Invoked when a batch of data has been aggregated
- bytes
aggregated bytes
- returns
true to continue scanning, false to stop
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abstract
def
partial(bytes: ⇒ Array[Byte]): Boolean
Invoked when a partial batch of data has been aggregated, but a batch's worth of data has been skipped over
Invoked when a partial batch of data has been aggregated, but a batch's worth of data has been skipped over
- bytes
partially aggregated bytes, lazily evaluated. if the results are not accessed (i.e. lazy statement remains unevaluated), they will be included in the next batch or partial batch
- returns
true to continue scanning, false to stop
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