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.



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