Package org.eclipse.birt.data.engine.api.aggregation

Data Engine aggregation API package.

See:
Description

Interface Summary

IAggregation	Deprecated. use IAggrFunction instead
IAggregationFactory
IAggrFunction	Each instance of IAggrFunction defines an aggregation function which can be used in BIRT.
IParameterDefn

Class Summary

Accumulator	The Accumulator class calculates values for its associated Aggregation.
Aggregation	Deprecated. use AggrFunction instead
AggregationManager

Package org.eclipse.birt.data.engine.api.aggregation Description

Data Engine aggregation API package.

This package contains interface and classes that are used to create an aggregation. All user-defined aggregations should implement the interface defined in this package.