## Uses of Interface
org.eclipse.rdf4j.federated.evaluation.concurrent.ParallelExecutor

- Packages that use ParallelExecutor
  Package | Description
  --- | ---
  org.eclipse.rdf4j.federated.evaluation.concurrent |
  org.eclipse.rdf4j.federated.evaluation.join |
  org.eclipse.rdf4j.federated.evaluation.union |
  org.eclipse.rdf4j.federated.optimizer |

- - ### Uses of ParallelExecutor in org.eclipse.rdf4j.federated.evaluation.concurrent

    Classes in org.eclipse.rdf4j.federated.evaluation.concurrent that implement ParallelExecutor
    Modifier and Type | Class and Description
    --- | ---
    `class` | `ParallelExecutorBase<T>` Base class for common parallel executors such as `JoinExecutorBase` and `UnionExecutorBase`.
    `class` | `ParallelServiceExecutor` Parallel executor for `FedXService` nodes, which wrap SERVICE expressions.

    Methods in org.eclipse.rdf4j.federated.evaluation.concurrent that return ParallelExecutor
    Modifier and Type | Method and Description
    --- | ---
    `ParallelExecutor<T>` | ParallelTask.`getControl()` return the controlling instance, e.g.

    Methods in org.eclipse.rdf4j.federated.evaluation.concurrent with parameters of type ParallelExecutor
    Modifier and Type | Method and Description
    --- | ---
    `void` | ControlledWorkerScheduler.`informFinish(ParallelExecutor<T> control)` Inform this scheduler that the specified control instance will no longer submit tasks.
    `boolean` | ControlledWorkerScheduler.`isRunning(ParallelExecutor<T> control)` Determine if there are still task running or queued for the specified control.
    `void` | ControlledWorkerScheduler.`scheduleAll(List<ParallelTask<T>> tasks, ParallelExecutor<T> control)` Schedule the given tasks and inform about finish using the same lock, i.e.

  - ### Uses of ParallelExecutor in org.eclipse.rdf4j.federated.evaluation.join

    Classes in org.eclipse.rdf4j.federated.evaluation.join that implement ParallelExecutor
    Modifier and Type | Class and Description
    --- | ---
    `class` | `ControlledWorkerBoundJoin` Execute the nested loop join in an asynchronous fashion, using grouped requests, i.e.
    `class` | `ControlledWorkerJoin` Execute the nested loop join in an asynchronous fashion, i.e.
    `class` | `ControlledWorkerLeftJoin` Execute the nested loop join in an asynchronous fashion, i.e.
    `class` | `HashJoin` Operator for a hash join of tuple expressions.
    `class` | `JoinExecutorBase<T>` Base class for any join parallel join executor.
    `class` | `SynchronousBoundJoin` Execute the nested loop join in a synchronous fashion, using grouped requests, i.e.
    `class` | `SynchronousJoin` Execute the nested loop join in a synchronous fashion, i.e.

    Fields in org.eclipse.rdf4j.federated.evaluation.join declared as ParallelExecutor
    Modifier and Type | Field and Description
    --- | ---
    `protected ParallelExecutor<BindingSet>` | ParallelServiceJoinTask.`joinControl`
    `protected ParallelExecutor<BindingSet>` | ParallelLeftJoinTask.`joinControl`
    `protected ParallelExecutor<BindingSet>` | ParallelBoundJoinTask.`joinControl`
    `protected ParallelExecutor<BindingSet>` | ParallelJoinTask.`joinControl`
    `protected ParallelExecutor<BindingSet>` | ParallelCheckJoinTask.`joinControl`

    Methods in org.eclipse.rdf4j.federated.evaluation.join that return ParallelExecutor
    Modifier and Type | Method and Description
    --- | ---
    `ParallelExecutor<BindingSet>` | ParallelServiceJoinTask.`getControl()`
    `ParallelExecutor<BindingSet>` | ParallelLeftJoinTask.`getControl()`
    `ParallelExecutor<BindingSet>` | ParallelBoundJoinTask.`getControl()`
    `ParallelExecutor<BindingSet>` | ParallelJoinTask.`getControl()`
    `ParallelExecutor<BindingSet>` | ParallelCheckJoinTask.`getControl()`

    Constructors in org.eclipse.rdf4j.federated.evaluation.join with parameters of type ParallelExecutor
    Constructor and Description
    `ParallelBoundJoinTask(ParallelExecutor<BindingSet> joinControl, FederationEvalStrategy strategy, StatementTupleExpr expr, List<BindingSet> bindings)`
    `ParallelCheckJoinTask(ParallelExecutor<BindingSet> joinControl, FederationEvalStrategy strategy, CheckStatementPattern expr, List<BindingSet> bindings)`
    `ParallelJoinTask(ParallelExecutor<BindingSet> joinControl, FederationEvalStrategy strategy, TupleExpr expr, BindingSet bindings)`
    `ParallelLeftJoinTask(ParallelExecutor<BindingSet> joinControl, FederationEvalStrategy strategy, LeftJoin join, BindingSet leftBindings)`
    `ParallelServiceJoinTask(ParallelExecutor<BindingSet> joinControl, FederationEvalStrategy strategy, FedXService expr, List<BindingSet> bindings)`

  - ### Uses of ParallelExecutor in org.eclipse.rdf4j.federated.evaluation.union

    Classes in org.eclipse.rdf4j.federated.evaluation.union that implement ParallelExecutor
    Modifier and Type | Class and Description
    --- | ---
    `class` | `ControlledWorkerUnion<T>` Execution of union tasks with `ControlledWorkerScheduler`.
    `class` | `SynchronousWorkerUnion<T>` Synchronous execution of union tasks, i.e.
    `class` | `UnionExecutorBase<T>` Base class for any parallel union executor.
    `class` | `WorkerUnionBase<T>` Base class for worker unions providing convenience functions to add tasks.

    Fields in org.eclipse.rdf4j.federated.evaluation.union declared as ParallelExecutor
    Modifier and Type | Field and Description
    --- | ---
    `protected ParallelExecutor<Statement>` | ParallelGetStatementsTask.`unionControl`
    `protected ParallelExecutor<BindingSet>` | ParallelPreparedUnionTask.`unionControl`
    `protected ParallelExecutor<BindingSet>` | ParallelPreparedAlgebraUnionTask.`unionControl`
    `protected ParallelExecutor<BindingSet>` | ParallelUnionOperatorTask.`unionControl`
    `protected ParallelExecutor<BindingSet>` | ParallelUnionTask.`unionControl`

    Methods in org.eclipse.rdf4j.federated.evaluation.union that return ParallelExecutor
    Modifier and Type | Method and Description
    --- | ---
    `ParallelExecutor<Statement>` | ParallelGetStatementsTask.`getControl()`
    `ParallelExecutor<BindingSet>` | ParallelPreparedUnionTask.`getControl()`
    `ParallelExecutor<BindingSet>` | ParallelPreparedAlgebraUnionTask.`getControl()`
    `ParallelExecutor<BindingSet>` | ParallelUnionOperatorTask.`getControl()`
    `ParallelExecutor<BindingSet>` | ParallelUnionTask.`getControl()`

    Constructors in org.eclipse.rdf4j.federated.evaluation.union with parameters of type ParallelExecutor
    Constructor and Description
    `ParallelGetStatementsTask(ParallelExecutor<Statement> unionControl, Endpoint endpoint, Resource subj, IRI pred, Value obj, QueryInfo queryInfo, Resource... contexts)`
    `ParallelPreparedAlgebraUnionTask(ParallelExecutor<BindingSet> unionControl, TupleExpr preparedQuery, Endpoint endpoint, BindingSet bindings, FilterValueExpr filterExpr, QueryInfo queryInfo)`
    `ParallelPreparedUnionTask(ParallelExecutor<BindingSet> unionControl, String preparedQuery, Endpoint endpoint, BindingSet bindings, FilterValueExpr filterExpr, QueryInfo queryInfo)`
    `ParallelUnionOperatorTask(ParallelExecutor<BindingSet> unionControl, FederationEvalStrategy strategy, TupleExpr expr, BindingSet bindings)`
    `ParallelUnionTask(ParallelExecutor<BindingSet> unionControl, StatementPattern stmt, Endpoint endpoint, BindingSet bindings, FilterValueExpr filterExpr, QueryInfo queryInfo)`

  - ### Uses of ParallelExecutor in org.eclipse.rdf4j.federated.optimizer

    Classes in org.eclipse.rdf4j.federated.optimizer that implement ParallelExecutor
    Modifier and Type | Class and Description
    --- | ---
    `protected static class` | `SourceSelection.SourceSelectionExecutorWithLatch`

    Methods in org.eclipse.rdf4j.federated.optimizer that return ParallelExecutor
    Modifier and Type | Method and Description
    --- | ---
    `ParallelExecutor<BindingSet>` | SourceSelection.ParallelCheckTask.`getControl()`

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