public abstract class ReductionCheckedDataReservation<A,E> extends ReductionDataReservation<A,E>
ReductionDataCollector
to specify a piece of data it needs to export from the shard.
This data may, or may not, exist. The ReductionDataCollector
need not check while importing/exporting since
the Reader/Writers handle all checking.Modifier and Type | Field and Description |
---|---|
protected BooleanSupplier |
exists |
applier, extractor
Modifier | Constructor and Description |
---|---|
protected |
ReductionCheckedDataReservation(A applier,
E extractor,
BooleanSupplier exists) |
createReadStream, createWriteStream
protected final BooleanSupplier exists
protected ReductionCheckedDataReservation(A applier, E extractor, BooleanSupplier exists)
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