Module datarush.library

Package com.pervasive.datarush.operators.group

Provides data aggregation components.

Interface Summary

Interface	Description
Aggregator	Interface to be implemented by implementations of aggregations; consumers of the API should generally not need to implement this interface.
AggregatorFactory	Class responsible for creating aggregators.

Class Summary

Class	Description
Aggregation	A representation of an aggregation on a specific field in a record.
Group	Performs grouping (aggregation) of sorted input data.
ReadableStorage	Storage class by which a custom aggregator can load its internals.
RemoveDuplicates	Removes duplicate rows based on a specified set of group keys.
SortedGroupHandler	Common base class for all processes that need to detect group boundaries
WriteableStorage	Storage class by which a custom aggregator can storage its internals.

Exception Summary

Exception	Description
InvalidArgumentCountException	Thrown to indicate that an aggregator was constructed with an invalid number of arguments.