Module datarush.library

Package com.pervasive.datarush.operators.group

package com.pervasive.datarush.operators.group

Provides data aggregation components.

  • Class
    Description
    Aggregation
    A representation of an aggregation on a specific field in a record.
    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.
    Group
    Performs grouping (aggregation) of sorted input data.
    InvalidArgumentCountException
    Thrown to indicate that an aggregator was constructed with an invalid number of arguments.
    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.