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

Data Engine aggregation API package.

See:
Description

Interface Summary

IAggregation

Each instance of IAggregation defines an aggregation which can be used in BIRT.

Class Summary

Accumulator	The Accumulator class calculates values for its associated Aggregation.
Aggregation	All multipass aggregations must implement this interface.

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.