| Package | Description | 
|---|---|
| org.eclipse.rdf4j.federated.evaluation | |
| org.eclipse.rdf4j.federated.optimizer | 
| Class and Description | 
|---|
| GenericInfoOptimizer Generic optimizer
 
 Tasks: - Collect information (hasUnion, hasFilter, hasService) - Collect all statements in a list (for source
 selection), do not collect SERVICE expressions - Collect all Join arguments and group them in the NJoin structure for
 easier optimization (flatten) | 
| Class and Description | 
|---|
| DefaultFedXCostModel Default implementation of the  FedXCostModel | 
| FedXCostModel Interface for a cost model used in  StatementGroupAndJoinOptimizer. | 
| FedXOptimizer Interface for any FedX optimizer | 
| SourceSelection Perform source selection during optimization | 
| SourceSelection.CheckTaskPair | 
| SourceSelection.SourceSelectionExecutorWithLatch | 
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