| Package | Description | 
|---|---|
| mondrian.olap | Mondrian's core package, this defines connections and the catalog metamodel, 
and allows you to execute queries. | 
| mondrian.rolap | Implements the data access layer for the olap package. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | PropertyPropertyis the definition of a member property. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | RolapAggregatorDescribes an aggregation operator, such as "sum" or "count". | 
| static class  | RolapAggregator.AvgFromAvgAggregator used for aggregate tables implementing the
 average aggregator. | 
| static class  | RolapAggregator.AvgFromSumAggregator used for aggregate tables implementing the
 average aggregator. | 
| static class  | RolapAggregator.BaseAggorThis is the base class for implementing aggregators over sum and
 average columns in an aggregate table. | 
| static class  | RolapAggregator.SumFromAvgThis is an aggregator used for aggregate tables implementing the
 sum aggregator. | 
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