# Hierarchy For Package org.eclipse.rdf4j.federated.evaluation.union

Package Hierarchies:

- All Packages

## Class Hierarchy

- java.lang.Object
  - org.eclipse.rdf4j.common.iteration.AbstractCloseableIteration<E,X> (implements org.eclipse.rdf4j.common.iteration.CloseableIteration<E,X>)
    - org.eclipse.rdf4j.common.iteration.LookAheadIteration<E,X>
      - org.eclipse.rdf4j.federated.evaluation.concurrent.ParallelExecutorBase<T> (implements org.eclipse.rdf4j.federated.evaluation.concurrent.ParallelExecutor<T>)
        - org.eclipse.rdf4j.federated.evaluation.union.UnionExecutorBase<T>
          - org.eclipse.rdf4j.federated.evaluation.union.WorkerUnionBase<T>
            - org.eclipse.rdf4j.federated.evaluation.union.ControlledWorkerUnion<T>
            - org.eclipse.rdf4j.federated.evaluation.union.SynchronousWorkerUnion<T>
  - org.eclipse.rdf4j.federated.evaluation.concurrent.ParallelTaskBase<T> (implements org.eclipse.rdf4j.federated.evaluation.concurrent.ParallelTask<T>)
    - org.eclipse.rdf4j.federated.evaluation.union.ParallelGetStatementsTask
    - org.eclipse.rdf4j.federated.evaluation.union.ParallelPreparedAlgebraUnionTask
    - org.eclipse.rdf4j.federated.evaluation.union.ParallelPreparedUnionTask
    - org.eclipse.rdf4j.federated.evaluation.union.ParallelUnionOperatorTask
    - org.eclipse.rdf4j.federated.evaluation.union.ParallelUnionTask

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