Uses of Class
com.pervasive.datarush.ports.record.PartialDataDistribution
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Packages that use PartialDataDistribution Package Description com.pervasive.datarush.ports.record Provides implementations of port objects related to the flow of record sets between operators. -
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Uses of PartialDataDistribution in com.pervasive.datarush.ports.record
Subclasses of PartialDataDistribution in com.pervasive.datarush.ports.record Modifier and Type Class Description classBalancedDistributionUsed to redistribute the data in a roughly balanced fashion.classDynamicRangeDataDistributionA distribution where data is range-partitioned by a selected array of keys.classKeyDrivenDataDistributionDataDistribution based on a set of keys from the input data.classPartialDynamicDataDistributionBase class for all distributions whose partitioning parameters are based on the data.classPartialStaticDataDistributionBase class for all distributions whose partitioning parameters are specified statically.classUnspecifiedPartialDistributionThe default data distribution; if unspecified an operator will receive data in the same distribution as the upstream operator.Methods in com.pervasive.datarush.ports.record that return PartialDataDistribution Modifier and Type Method Description PartialDataDistributionDynamicRangeDataDistribution. remap(FieldRemapping mapping)Applies the given field remapping to this mapping, changing names as required.PartialDataDistributionKeyDrivenDataDistribution. remap(FieldRemapping mapping)Applies the given field remapping to this distribution, changing names as required.Methods in com.pervasive.datarush.ports.record with parameters of type PartialDataDistribution Modifier and Type Method Description protected booleanBalancedDistribution. requiresRepartitionFrom(PartialDataDistribution source)protected booleanKeyDrivenDataDistribution. requiresRepartitionFrom(PartialDataDistribution source)protected abstract booleanPartialStaticDataDistribution. requiresRepartitionFrom(PartialDataDistribution source)Subclasses must override this method to declare whether a repartition is required given the source distribution.protected booleanUnspecifiedPartialDistribution. requiresRepartitionFrom(PartialDataDistribution source)
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