## Uses of Class
org.eclipse.rdf4j.federated.structures.QueryInfo

- Packages that use QueryInfo
  Package | Description
  --- | ---
  org.eclipse.rdf4j.federated |
  org.eclipse.rdf4j.federated.algebra |
  org.eclipse.rdf4j.federated.cache |
  org.eclipse.rdf4j.federated.evaluation |
  org.eclipse.rdf4j.federated.evaluation.concurrent |
  org.eclipse.rdf4j.federated.evaluation.iterator |
  org.eclipse.rdf4j.federated.evaluation.join |
  org.eclipse.rdf4j.federated.evaluation.union |
  org.eclipse.rdf4j.federated.monitoring |
  org.eclipse.rdf4j.federated.optimizer |

- - ### Uses of QueryInfo in org.eclipse.rdf4j.federated

    Methods in org.eclipse.rdf4j.federated that return types with arguments of type QueryInfo
    Modifier and Type | Method and Description
    --- | ---
    `Set<QueryInfo>` | QueryManager.`getRunningQueries()`

    Methods in org.eclipse.rdf4j.federated with parameters of type QueryInfo
    Modifier and Type | Method and Description
    --- | ---
    `void` | QueryManager.`abortQuery(QueryInfo queryInfo)`
    `WorkerUnionBase<BindingSet>` | FederationManager.`createWorkerUnion(QueryInfo queryInfo)` Create an appropriate worker union for this federation, i.e.
    `void` | QueryManager.`finishQuery(QueryInfo queryInfo)`
    `boolean` | QueryManager.`isRunning(QueryInfo queryInfo)`
    `void` | QueryManager.`registerQuery(QueryInfo queryInfo)` Add the query to the set of running queries, queries are identified via a unique id

  - ### Uses of QueryInfo in org.eclipse.rdf4j.federated.algebra

    Fields in org.eclipse.rdf4j.federated.algebra declared as QueryInfo
    Modifier and Type | Field and Description
    --- | ---
    `protected QueryInfo` | FedXStatementPattern.`queryInfo`
    `protected QueryInfo` | CheckStatementPattern.`queryInfo`
    `protected QueryInfo` | ExclusiveGroup.`queryInfo`
    `protected QueryInfo` | FedXLeftJoin.`queryInfo`
    `protected QueryInfo` | NTuple.`queryInfo`
    `protected QueryInfo` | FedXService.`queryInfo`

    Methods in org.eclipse.rdf4j.federated.algebra that return QueryInfo
    Modifier and Type | Method and Description
    --- | ---
    `QueryInfo` | PassThroughTupleExpr.`getQueryInfo()`
    `QueryInfo` | ExclusiveArbitraryLengthPath.`getQueryInfo()`
    `QueryInfo` | FedXStatementPattern.`getQueryInfo()`
    `QueryInfo` | CheckStatementPattern.`getQueryInfo()`
    `QueryInfo` | ExclusiveGroup.`getQueryInfo()`
    `QueryInfo` | FedXLeftJoin.`getQueryInfo()`
    `QueryInfo` | NTuple.`getQueryInfo()`
    `QueryInfo` | SingleSourceQuery.`getQueryInfo()`
    `QueryInfo` | FedXService.`getQueryInfo()`
    `QueryInfo` | QueryRef.`getQueryInfo()` Retrieve the attached query information of the tuple expression

    Constructors in org.eclipse.rdf4j.federated.algebra with parameters of type QueryInfo
    Constructor and Description
    `CheckStatementPattern(StatementTupleExpr stmt, QueryInfo queryInfo)`
    `EmptyNJoin(NJoin njoin, QueryInfo queryInfo)`
    `EmptyNUnion(List<TupleExpr> args, QueryInfo queryInfo)`
    `ExclusiveArbitraryLengthPath(ArbitraryLengthPath path, StatementSource owner, QueryInfo queryInfo)`
    `ExclusiveGroup(Collection<? extends ExclusiveTupleExpr> ownedNodes, StatementSource owner, QueryInfo queryInfo)`
    `ExclusiveStatement(StatementPattern node, StatementSource owner, QueryInfo queryInfo)`
    `FedXLeftJoin(LeftJoin leftJoin, QueryInfo queryInfo)`
    `FedXService(Service expr, QueryInfo queryInfo)`
    `FedXStatementPattern(StatementPattern node, QueryInfo queryInfo)`
    `NJoin(List<TupleExpr> args, QueryInfo queryInfo)` Construct an nary-tuple.
    `NTuple(List<TupleExpr> args, QueryInfo queryInfo)` Construct an nary-tuple.
    `NUnion(List<TupleExpr> args, QueryInfo queryInfo)` Construct an nary-tuple.
    `SingleSourceQuery(TupleExpr parsedQuery, Endpoint source, QueryInfo queryInfo)`
    `StatementSourcePattern(StatementPattern node, QueryInfo queryInfo)`

  - ### Uses of QueryInfo in org.eclipse.rdf4j.federated.cache

    Methods in org.eclipse.rdf4j.federated.cache with parameters of type QueryInfo
    Modifier and Type | Method and Description
    --- | ---
    `static List<StatementSource>` | CacheUtils.`checkCacheForStatementSourcesUpdateCache(SourceSelectionCache cache, List<Endpoint> endpoints, Resource subj, IRI pred, Value obj, QueryInfo queryInfo, Resource... contexts)` Checks the cache for relevant statement sources to the provided statement.
    `static boolean` | CacheUtils.`checkCacheUpdateCache(SourceSelectionCache cache, List<Endpoint> endpoints, Resource subj, IRI pred, Value obj, QueryInfo queryInfo, Resource... contexts)` Checks the cache if some endpoint can provide results to the subquery.

  - ### Uses of QueryInfo in org.eclipse.rdf4j.federated.evaluation

    Methods in org.eclipse.rdf4j.federated.evaluation that return QueryInfo
    Modifier and Type | Method and Description
    --- | ---
    `QueryInfo` | FederationEvaluationStatistics.`getQueryInfo()`

    Methods in org.eclipse.rdf4j.federated.evaluation with parameters of type QueryInfo
    Modifier and Type | Method and Description
    --- | ---
    `protected void` | TripleSourceBase.`configureInference(Query query, QueryInfo queryInfo)` Set includeInferred depending on `getIncludeInferred()`
    `protected CloseableIteration<BindingSet,QueryEvaluationException>` | FederationEvalStrategy.`evaluateAtStatementSources(Object preparedQuery, List<StatementSource> statementSources, QueryInfo queryInfo)`
    `protected CloseableIteration<BindingSet,QueryEvaluationException>` | FederationEvalStrategy.`evaluateAtStatementSources(String preparedQuery, List<StatementSource> statementSources, QueryInfo queryInfo)`
    `protected CloseableIteration<BindingSet,QueryEvaluationException>` | FederationEvalStrategy.`evaluateAtStatementSources(TupleExpr preparedQuery, List<StatementSource> statementSources, QueryInfo queryInfo)`
    `CloseableIteration<BindingSet,QueryEvaluationException>` | SparqlFederationEvalStrategy.`executeJoin(ControlledWorkerScheduler<BindingSet> joinScheduler, CloseableIteration<BindingSet,QueryEvaluationException> leftIter, TupleExpr rightArg, Set<String> joinVars, BindingSet bindings, QueryInfo queryInfo)`
    `CloseableIteration<BindingSet,QueryEvaluationException>` | SailFederationEvalStrategy.`executeJoin(ControlledWorkerScheduler<BindingSet> joinScheduler, CloseableIteration<BindingSet,QueryEvaluationException> leftIter, TupleExpr rightArg, Set<String> joinVars, BindingSet bindings, QueryInfo queryInfo)`
    `protected abstract CloseableIteration<BindingSet,QueryEvaluationException>` | FederationEvalStrategy.`executeJoin(ControlledWorkerScheduler<BindingSet> joinScheduler, CloseableIteration<BindingSet,QueryEvaluationException> leftIter, TupleExpr rightArg, Set<String> joinVariables, BindingSet bindings, QueryInfo queryInfo)` Execute the join in a separate thread using some join executor.
    `CloseableIteration<Statement,QueryEvaluationException>` | FederationEvalStrategy.`getStatements(QueryInfo queryInfo, Resource subj, IRI pred, Value obj, Resource... contexts)` Retrieve the statements matching the provided subject, predicate and object value from the federation members.
    `CloseableIteration<Statement,QueryEvaluationException>` | SailTripleSource.`getStatements(Resource subj, IRI pred, Value obj, QueryInfo queryInfo, Resource... contexts)`
    `CloseableIteration<Statement,QueryEvaluationException>` | SparqlTripleSource.`getStatements(Resource subj, IRI pred, Value obj, QueryInfo queryInfo, Resource... contexts)`
    `CloseableIteration<Statement,QueryEvaluationException>` | TripleSource.`getStatements(Resource subj, IRI pred, Value obj, QueryInfo queryInfo, Resource... contexts)` Return the statements matching the given pattern as a `Statement` iteration.
    `CloseableIteration<BindingSet,QueryEvaluationException>` | SailTripleSource.`getStatements(StatementPattern stmt, BindingSet bindings, FilterValueExpr filterExpr, QueryInfo queryInfo)`
    `CloseableIteration<BindingSet,QueryEvaluationException>` | SparqlTripleSource.`getStatements(StatementPattern stmt, BindingSet bindings, FilterValueExpr filterExpr, QueryInfo queryInfo)`
    `CloseableIteration<BindingSet,QueryEvaluationException>` | TripleSource.`getStatements(StatementPattern stmt, BindingSet bindings, FilterValueExpr filterExpr, QueryInfo queryInfo)` Evaluate the query expression on the provided endpoint.
    `CloseableIteration<BindingSet,QueryEvaluationException>` | TripleSourceBase.`getStatements(String preparedQuery, BindingSet bindings, FilterValueExpr filterExpr, QueryInfo queryInfo)`
    `CloseableIteration<BindingSet,QueryEvaluationException>` | TripleSource.`getStatements(String preparedQuery, BindingSet bindings, FilterValueExpr filterExpr, QueryInfo queryInfo)` Evaluate the prepared query (SPARQL query as String) on the provided endpoint.
    `CloseableIteration<BindingSet,QueryEvaluationException>` | TripleSourceBase.`getStatements(String preparedQuery, BindingSet queryBindings, QueryType queryType, QueryInfo queryInfo)`
    `CloseableIteration<BindingSet,QueryEvaluationException>` | TripleSource.`getStatements(String preparedQuery, BindingSet queryBindings, QueryType queryType, QueryInfo queryInfo)` Evaluate a given SPARQL query of the provided query type at the given source.
    `default CloseableIteration<BindingSet,QueryEvaluationException>` | TripleSource.`getStatements(String preparedQuery, QueryType queryType, QueryInfo queryInfo)` Deprecated.
    `CloseableIteration<BindingSet,QueryEvaluationException>` | SailTripleSource.`getStatements(TupleExpr preparedQuery, BindingSet bindings, FilterValueExpr filterExpr, QueryInfo queryInfo)`
    `CloseableIteration<BindingSet,QueryEvaluationException>` | SparqlTripleSource.`getStatements(TupleExpr preparedQuery, BindingSet bindings, FilterValueExpr filterExpr, QueryInfo queryInfo)`
    `CloseableIteration<BindingSet,QueryEvaluationException>` | TripleSource.`getStatements(TupleExpr preparedQuery, BindingSet bindings, FilterValueExpr filterExpr, QueryInfo queryInfo)` Evaluate the prepared query in its internal representation on the provided endpoint.
    `boolean` | SparqlTripleSource.`hasStatements(Resource subj, IRI pred, Value obj, QueryInfo queryInfo, Resource... contexts)`
    `boolean` | TripleSourceBase.`hasStatements(Resource subj, IRI pred, Value obj, QueryInfo queryInfo, Resource... contexts)`
    `boolean` | TripleSource.`hasStatements(Resource subj, IRI pred, Value obj, QueryInfo queryInfo, Resource... contexts)` Check if the repository can return results for the given triple pattern represented by subj, pred and obj
    `boolean` | SailTripleSource.`hasStatements(StatementPattern stmt, BindingSet bindings, QueryInfo queryInfo, Dataset dataset)`
    `boolean` | SparqlTripleSource.`hasStatements(StatementPattern stmt, BindingSet bindings, QueryInfo queryInfo, Dataset dataset)`
    `boolean` | TripleSource.`hasStatements(StatementPattern stmt, BindingSet bindings, QueryInfo queryInfo, Dataset dataset)` Check if the provided statement can return results.
    `protected void` | FederationEvalStrategy.`optimizeExclusiveExpressions(TupleExpr query, QueryInfo queryInfo, GenericInfoOptimizer info)` Optimize `ExclusiveTupleExpr`, e.g.
    `protected void` | FederationEvalStrategy.`optimizeJoinOrder(TupleExpr query, QueryInfo queryInfo, GenericInfoOptimizer info)`
    `protected Set<Endpoint>` | FederationEvalStrategy.`performSourceSelection(List<Endpoint> members, SourceSelectionCache cache, QueryInfo queryInfo, GenericInfoOptimizer info)` Perform source selection for all statements of the query.
    `boolean` | SailTripleSource.`usePreparedQuery(StatementPattern stmt, QueryInfo queryInfo)`
    `boolean` | SparqlTripleSource.`usePreparedQuery(StatementPattern stmt, QueryInfo queryInfo)`
    `boolean` | TripleSource.`usePreparedQuery(StatementPattern stmt, QueryInfo queryInfo)`

    Constructors in org.eclipse.rdf4j.federated.evaluation with parameters of type QueryInfo
    Constructor and Description
    `FederationEvaluationStatistics(QueryInfo queryInfo, Dataset dataset)`

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

    Fields in org.eclipse.rdf4j.federated.evaluation.concurrent declared as QueryInfo
    Modifier and Type | Field and Description
    --- | ---
    `protected QueryInfo` | ParallelExecutorBase.`queryInfo`

    Methods in org.eclipse.rdf4j.federated.evaluation.concurrent that return QueryInfo
    Modifier and Type | Method and Description
    --- | ---
    `QueryInfo` | ParallelServiceExecutor.`getQueryInfo()`
    `QueryInfo` | ParallelExecutorBase.`getQueryInfo()`
    `QueryInfo` | ParallelExecutor.`getQueryInfo()` Return the query info of the associated query
    `default QueryInfo` | ParallelTask.`getQueryInfo()`

    Constructors in org.eclipse.rdf4j.federated.evaluation.concurrent with parameters of type QueryInfo
    Constructor and Description
    `ParallelExecutorBase(FederationEvalStrategy strategy, QueryInfo queryInfo)`

  - ### Uses of QueryInfo in org.eclipse.rdf4j.federated.evaluation.iterator

    Fields in org.eclipse.rdf4j.federated.evaluation.iterator declared as QueryInfo
    Modifier and Type | Field and Description
    --- | ---
    `protected QueryInfo` | StopRemainingExecutionsOnCloseIteration.`queryInfo`
    `protected QueryInfo` | QueryResultIteration.`queryInfo`

    Constructors in org.eclipse.rdf4j.federated.evaluation.iterator with parameters of type QueryInfo
    Constructor and Description
    `QueryResultIteration(CloseableIteration<BindingSet,QueryEvaluationException> inner, QueryInfo queryInfo)`
    `StopRemainingExecutionsOnCloseIteration(CloseableIteration<? extends BindingSet,QueryEvaluationException> inner, QueryInfo queryInfo)`

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

    Constructors in org.eclipse.rdf4j.federated.evaluation.join with parameters of type QueryInfo
    Constructor and Description
    `ControlledWorkerBoundJoin(ControlledWorkerScheduler<BindingSet> scheduler, FederationEvalStrategy strategy, CloseableIteration<BindingSet,QueryEvaluationException> leftIter, TupleExpr rightArg, BindingSet bindings, QueryInfo queryInfo)`
    `ControlledWorkerJoin(ControlledWorkerScheduler<BindingSet> scheduler, FederationEvalStrategy strategy, CloseableIteration<BindingSet,QueryEvaluationException> leftIter, TupleExpr rightArg, BindingSet bindings, QueryInfo queryInfo)`
    `ControlledWorkerLeftJoin(ControlledWorkerScheduler<BindingSet> scheduler, FederationEvalStrategy strategy, CloseableIteration<BindingSet,QueryEvaluationException> leftIter, LeftJoin join, BindingSet bindings, QueryInfo queryInfo)`
    `HashJoin(FederationEvalStrategy strategy, CloseableIteration<BindingSet,QueryEvaluationException> leftIter, TupleExpr rightArg, Set<String> joinVars, BindingSet bindings, QueryInfo queryInfo)`
    `JoinExecutorBase(FederationEvalStrategy strategy, CloseableIteration<T,QueryEvaluationException> leftIter, TupleExpr rightArg, BindingSet bindings, QueryInfo queryInfo)`
    `SynchronousBoundJoin(FederationEvalStrategy strategy, CloseableIteration<BindingSet,QueryEvaluationException> leftIter, TupleExpr rightArg, BindingSet bindings, QueryInfo queryInfo)`
    `SynchronousJoin(FederationEvalStrategy strategy, CloseableIteration<BindingSet,QueryEvaluationException> leftIter, TupleExpr rightArg, BindingSet bindings, QueryInfo queryInfo)`

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

    Fields in org.eclipse.rdf4j.federated.evaluation.union declared as QueryInfo
    Modifier and Type | Field and Description
    --- | ---
    `protected QueryInfo` | ParallelGetStatementsTask.`queryInfo`
    `protected QueryInfo` | ParallelPreparedUnionTask.`queryInfo`
    `protected QueryInfo` | ParallelPreparedAlgebraUnionTask.`queryInfo`
    `protected QueryInfo` | ParallelUnionTask.`queryInfo`

    Constructors in org.eclipse.rdf4j.federated.evaluation.union with parameters of type QueryInfo
    Constructor and Description
    `ControlledWorkerUnion(FederationEvalStrategy strategy, ControlledWorkerScheduler<T> scheduler, QueryInfo queryInfo)`
    `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)`
    `ParallelUnionTask(ParallelExecutor<BindingSet> unionControl, StatementPattern stmt, Endpoint endpoint, BindingSet bindings, FilterValueExpr filterExpr, QueryInfo queryInfo)`
    `SynchronousWorkerUnion(FederationEvalStrategy strategy, QueryInfo queryInfo)`
    `UnionExecutorBase(FederationEvalStrategy strategy, QueryInfo queryInfo)`
    `WorkerUnionBase(FederationEvalStrategy strategy, QueryInfo queryInfo)`

  - ### Uses of QueryInfo in org.eclipse.rdf4j.federated.monitoring

    Methods in org.eclipse.rdf4j.federated.monitoring with parameters of type QueryInfo
    Modifier and Type | Method and Description
    --- | ---
    `void` | QueryLog.`logQuery(QueryInfo query)`
    `void` | NoopMonitoringImpl.`monitorQuery(QueryInfo query)`
    `void` | MonitoringImpl.`monitorQuery(QueryInfo query)`
    `void` | Monitoring.`monitorQuery(QueryInfo query)`

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

    Fields in org.eclipse.rdf4j.federated.optimizer declared as QueryInfo
    Modifier and Type | Field and Description
    --- | ---
    `protected QueryInfo` | StatementGroupAndJoinOptimizer.`queryInfo`
    `protected QueryInfo` | SourceSelection.`queryInfo`
    `QueryInfo` | SourceSelection.CheckTaskPair.`queryInfo`
    `protected QueryInfo` | SourceSelection.ParallelCheckTask.`queryInfo`
    `protected QueryInfo` | ServiceOptimizer.`queryInfo`
    `protected QueryInfo` | UnionOptimizer.`queryInfo`
    `protected QueryInfo` | GenericInfoOptimizer.`queryInfo`

    Methods in org.eclipse.rdf4j.federated.optimizer that return QueryInfo
    Modifier and Type | Method and Description
    --- | ---
    `QueryInfo` | SourceSelection.SourceSelectionExecutorWithLatch.`getQueryInfo()`

    Methods in org.eclipse.rdf4j.federated.optimizer with parameters of type QueryInfo
    Modifier and Type | Method and Description
    --- | ---
    `static NJoin` | OptimizerUtil.`flattenJoin(Join join, QueryInfo queryInfo)` Flatten the join to one layer, i.e.

    Constructors in org.eclipse.rdf4j.federated.optimizer with parameters of type QueryInfo
    Constructor and Description
    `CheckTaskPair(Endpoint e, StatementPattern t, QueryInfo queryInfo)`
    `GenericInfoOptimizer(QueryInfo queryInfo)`
    `ParallelCheckTask(Endpoint endpoint, StatementPattern stmt, QueryInfo queryInfo, SourceSelection.SourceSelectionExecutorWithLatch control)`
    `ServiceOptimizer(QueryInfo queryInfo)`
    `SourceSelection(List<Endpoint> endpoints, SourceSelectionCache cache, QueryInfo queryInfo)`
    `StatementGroupAndJoinOptimizer(QueryInfo queryInfo, FedXCostModel costModel)`
    `UnionOptimizer(QueryInfo queryInfo)`

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