Class SparqlRx

java.lang.Object
org.aksw.jenax.sparql.query.rx.SparqlRx

public class SparqlRx extends Object
Utilities for wrapping SPARQL query execution with flows.
Author:
raven
  • Constructor Summary

    Constructors
    Constructor
    Description
     
  • Method Summary

    Modifier and Type
    Method
    Description
    static io.reactivex.rxjava3.core.Flowable<org.apache.jena.graph.Triple>
    constructTriples(Callable<org.apache.jena.sparql.exec.QueryExec> qes)
     
    static Function<org.apache.jena.sparql.engine.binding.Binding,org.apache.jena.sparql.engine.binding.Binding>
    createGrouper(Collection<org.apache.jena.sparql.core.Var> vars, boolean retainNulls)
    Create a grouping function Usage: flowable .groupBy(createGrouper(Arrays.asList(...
    static Function<org.apache.jena.sparql.engine.binding.Binding,org.apache.jena.graph.Node>
    createGrouper(org.apache.jena.sparql.core.Var var)
     
    static Function<List<org.apache.jena.sparql.engine.binding.Binding>,org.apache.jena.sparql.algebra.Table>
    createTableBuffer(List<org.apache.jena.sparql.core.Var> vars)
     
    static io.reactivex.rxjava3.core.Single<Boolean>
    execAsk(Function<org.apache.jena.query.Query,org.apache.jena.query.QueryExecution> qeSupp, org.apache.jena.query.Query query)
     
    static io.reactivex.rxjava3.core.Flowable<org.apache.jena.rdf.model.RDFNode>
    execConcept(Callable<org.apache.jena.query.QueryExecution> qeSupp, org.apache.jena.sparql.core.Var var)
     
    static <T extends org.apache.jena.rdf.model.RDFNode>
    io.reactivex.rxjava3.core.Flowable<T>
    execConcept(Callable<org.apache.jena.query.QueryExecution> qeSupp, org.apache.jena.sparql.core.Var var, Class<T> clazz)
     
    static <T extends org.apache.jena.rdf.model.RDFNode>
    io.reactivex.rxjava3.core.Flowable<T>
    execConcept(Function<? super org.apache.jena.query.Query,? extends org.apache.jena.query.QueryExecution> qef, org.apache.jena.query.Query query, org.apache.jena.sparql.core.Var var, Class<T> clazz)
     
    static io.reactivex.rxjava3.core.Flowable<org.apache.jena.graph.Node>
    execConceptRaw(Callable<org.apache.jena.query.QueryExecution> qeSupp, org.apache.jena.sparql.core.Var var)
     
    static io.reactivex.rxjava3.core.Flowable<org.apache.jena.graph.Node>
    execConceptRaw(Function<? super org.apache.jena.query.Query,? extends org.apache.jena.query.QueryExecution> qef, org.apache.jena.query.Query query)
    Convenience method that assumes a single projected variable
    static io.reactivex.rxjava3.core.Flowable<org.apache.jena.graph.Node>
    execConceptRaw(Function<? super org.apache.jena.query.Query,? extends org.apache.jena.query.QueryExecution> qef, org.apache.jena.query.Query query, org.apache.jena.sparql.core.Var var)
     
    static io.reactivex.rxjava3.core.Flowable<org.apache.jena.graph.Node>
    execConceptRaw(org.apache.jena.rdfconnection.SparqlQueryConnection conn, org.apache.jena.query.Query query, org.apache.jena.sparql.core.Var var)
     
    static io.reactivex.rxjava3.core.Flowable<Map.Entry<org.apache.jena.sparql.engine.binding.Binding,org.apache.jena.rdf.model.RDFNode>>
    execConstructGrouped(Function<org.apache.jena.query.Query,org.apache.jena.query.QueryExecution> qeSupp, org.apache.jena.query.Query query, List<org.apache.jena.sparql.core.Var> primaryKeyVars, org.apache.jena.graph.Node rootNode, boolean sortRowsByPartitionVar)
     
    static io.reactivex.rxjava3.core.Flowable<Map.Entry<org.apache.jena.sparql.engine.binding.Binding,org.apache.jena.rdf.model.RDFNode>>
    execConstructGrouped(RDFDataSource dataSource, org.apache.jena.query.Query query, List<org.apache.jena.sparql.core.Var> primaryKeyVars, org.apache.jena.graph.Node rootNode, boolean sortRowsByPartitionVar)
     
    static io.reactivex.rxjava3.core.Flowable<org.apache.jena.rdf.model.RDFNode>
    execConstructGrouped(QueryExecutionFactoryQuery conn, Map.Entry<? extends org.apache.jena.graph.Node,org.apache.jena.query.Query> e)
     
    static io.reactivex.rxjava3.core.Flowable<org.apache.jena.rdf.model.RDFNode>
    execConstructGrouped(QueryExecutionFactoryQuery conn, Map.Entry<? extends org.apache.jena.graph.Node,org.apache.jena.query.Query> e, boolean sortRowsByPartitionVar)
     
    static io.reactivex.rxjava3.core.Flowable<org.apache.jena.rdf.model.RDFNode>
    execConstructGrouped(QueryExecutionFactoryQuery conn, org.apache.jena.query.Query query, org.apache.jena.graph.Node s)
     
    static io.reactivex.rxjava3.core.Flowable<org.apache.jena.rdf.model.RDFNode>
    execConstructGrouped(QueryExecutionFactoryQuery conn, org.apache.jena.query.Query query, org.apache.jena.graph.Node s, boolean sortRowsByPartitionVar)
     
    static io.reactivex.rxjava3.core.Flowable<org.apache.jena.sparql.core.Quad>
    execConstructQuads(Callable<org.apache.jena.query.QueryExecution> qes)
     
    static io.reactivex.rxjava3.core.Flowable<org.apache.jena.sparql.core.Quad>
    execConstructQuads(org.apache.jena.rdfconnection.SparqlQueryConnection conn, org.apache.jena.query.Query query)
     
    static io.reactivex.rxjava3.core.Flowable<org.apache.jena.graph.Triple>
    execConstructTriples(Callable<org.apache.jena.query.QueryExecution> qes)
     
    static io.reactivex.rxjava3.core.Flowable<org.apache.jena.graph.Triple>
    execConstructTriples(org.apache.jena.rdfconnection.SparqlQueryConnection conn, org.apache.jena.query.Query query)
     
    static io.reactivex.rxjava3.core.Flowable<org.apache.jena.atlas.json.JsonObject>
    execJsonItems(Callable<org.apache.jena.query.QueryExecution> qes)
     
    static io.reactivex.rxjava3.core.Flowable<org.apache.jena.atlas.json.JsonObject>
    execJsonItems(org.apache.jena.rdfconnection.SparqlQueryConnection conn, org.apache.jena.query.Query query)
     
    static io.reactivex.rxjava3.core.Flowable<org.apache.jena.rdf.model.RDFNode>
    execPartitioned(QueryExecutionFactoryQuery conn, Map.Entry<? extends org.apache.jena.graph.Node,org.apache.jena.query.Query> e)
    Deprecated.
    static io.reactivex.rxjava3.core.Flowable<org.apache.jena.rdf.model.RDFNode>
    execPartitioned(QueryExecutionFactoryQuery conn, Map.Entry<? extends org.apache.jena.graph.Node,org.apache.jena.query.Query> e, boolean sortRowsByPartitionVar)
    Deprecated.
    static io.reactivex.rxjava3.core.Flowable<org.apache.jena.rdf.model.RDFNode>
    execPartitioned(QueryExecutionFactoryQuery conn, org.apache.jena.graph.Node s, org.apache.jena.query.Query q, boolean sortRowsByPartitionVar)
    Deprecated.
    static io.reactivex.rxjava3.core.Flowable<org.apache.jena.query.QuerySolution>
    execSelect(Callable<? extends org.apache.jena.query.QueryExecution> qes)
     
    static <T> io.reactivex.rxjava3.core.Flowable<T>
    execSelect(Callable<? extends org.apache.jena.query.QueryExecution> qes, Function<? super org.apache.jena.query.ResultSet,T> next)
     
    static io.reactivex.rxjava3.core.Flowable<org.apache.jena.query.QuerySolution>
    execSelect(org.apache.jena.rdfconnection.SparqlQueryConnection conn, String queryStr)
     
    static io.reactivex.rxjava3.core.Flowable<org.apache.jena.query.QuerySolution>
    execSelect(org.apache.jena.rdfconnection.SparqlQueryConnection conn, org.apache.jena.query.Query query)
     
    static io.reactivex.rxjava3.core.Flowable<org.apache.jena.sparql.engine.binding.Binding>
    execSelectRaw(Callable<? extends org.apache.jena.query.QueryExecution> qes)
     
    static io.reactivex.rxjava3.core.Flowable<org.apache.jena.sparql.engine.binding.Binding>
    execSelectRaw(Callable<? extends org.apache.jena.rdfconnection.SparqlQueryConnection> queryConnSupp, org.apache.jena.query.Query query)
    Create a Flowable from a supplier of connections and a query.
    static io.reactivex.rxjava3.core.Flowable<org.apache.jena.sparql.engine.binding.Binding>
    execSelectRaw(QueryExecutionFactoryQuery qeSupp, org.apache.jena.query.Query query)
     
    static io.reactivex.rxjava3.core.Flowable<org.apache.jena.sparql.engine.binding.Binding>
    execSelectRaw(org.apache.jena.rdfconnection.SparqlQueryConnection queryConn, org.apache.jena.query.Query query)
     
    static io.reactivex.rxjava3.core.Single<Long>
    fetchBindingCount(String serviceUrl, org.apache.jena.query.Query query)
     
    static io.reactivex.rxjava3.core.Single<com.google.common.collect.Range<Long>>
    fetchCountQuery(QueryExecFactoryQuery qef, org.apache.jena.query.Query query, Long itemLimit, Long rowLimit)
     
    static io.reactivex.rxjava3.core.Single<com.google.common.collect.Range<Long>>
    fetchCountQuery(QueryExecutionFactoryQuery qef, org.apache.jena.query.Query query, Long itemLimit, Long rowLimit)
     
    static io.reactivex.rxjava3.core.Single<com.google.common.collect.Range<Long>>
    fetchCountQueryPartition(QueryExecFactoryQuery qef, org.apache.jena.query.Query query, Collection<org.apache.jena.sparql.core.Var> partitionVars, Long itemLimit, Long rowLimit)
     
    static io.reactivex.rxjava3.core.Single<com.google.common.collect.Range<Long>>
    fetchCountQueryPartition(QueryExecutionFactoryQuery qef, org.apache.jena.query.Query query, Collection<org.apache.jena.sparql.core.Var> partitionVars, Long itemLimit, Long rowLimit)
     
    static io.reactivex.rxjava3.core.Single<Number>
    fetchNumber(Callable<? extends org.apache.jena.sparql.exec.QueryExec> queryConnSupp, org.apache.jena.sparql.core.Var var)
     
    static io.reactivex.rxjava3.core.Single<Number>
    fetchNumber(QueryExecFactoryQuery qef, org.apache.jena.query.Query query, org.apache.jena.sparql.core.Var var)
     
    static <K, X> io.reactivex.rxjava3.core.Flowable<Map.Entry<K,List<X>>>
    groupByOrdered(io.reactivex.rxjava3.core.Flowable<X> in, Function<X,K> getGroupKey)
     
    static void
    main2(String[] args)
     
    static io.reactivex.rxjava3.core.Flowable<org.apache.jena.sparql.engine.binding.Binding>
    mapToBinding(org.apache.jena.query.ResultSet rs)
     
    static Map.Entry<List<org.apache.jena.sparql.core.Var>,io.reactivex.rxjava3.core.Flowable<org.apache.jena.sparql.engine.binding.Binding>>
    mapToFlowable(org.apache.jena.query.ResultSet rs)
     
    static org.apache.jena.query.Query
    preprocessQueryForPartition(org.apache.jena.query.Query q, List<org.apache.jena.sparql.core.Var> primaryKeyVars, boolean sortRowsByPartitionVar)
    Return a SELECT query from the given query where - it is ensured that all primaryKeyVars are part of the projection (if they aren't already) - distinct is applied in preparation to instantiation of construct templates (where duplicates can be ignored) - if sortRowsByPartitionVar is true then result bindings are sorted by the primary key vars so that bindings that belong together are consecutive - In case of a construct template without variables variable free is handled
    static void
    processExecConstructTriples(io.reactivex.rxjava3.core.FlowableEmitter<org.apache.jena.graph.Triple> emitter, org.apache.jena.query.QueryExecution qex)
     
    static <T> void
    processExecSelect(io.reactivex.rxjava3.core.FlowableEmitter<T> emitter, org.apache.jena.query.QueryExecution qex, Function<? super org.apache.jena.query.ResultSet,? extends T> next)
     
    static io.reactivex.rxjava3.core.Flowable<org.apache.jena.sparql.engine.binding.Binding>
    select(Callable<? extends org.apache.jena.sparql.exec.QueryExec> qes)
     
    static <T> io.reactivex.rxjava3.core.Flowable<T>
    select(Callable<? extends org.apache.jena.sparql.exec.QueryExec> qes, Function<? super org.apache.jena.sparql.exec.RowSet,T> next)
     
    static io.reactivex.rxjava3.core.Flowable<org.apache.jena.sparql.engine.binding.Binding>
    select(QueryExecFactoryQuery qef, org.apache.jena.query.Query query)
     
    static com.google.common.collect.Range<Long>
    toRange(Long count, Long itemLimit, Long rowLimit)
     

    Methods inherited from class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
  • Constructor Details

    • SparqlRx

      public SparqlRx()
  • Method Details

    • execAsk

      public static io.reactivex.rxjava3.core.Single<Boolean> execAsk(Function<org.apache.jena.query.Query,org.apache.jena.query.QueryExecution> qeSupp, org.apache.jena.query.Query query)
    • execSelectRaw

      public static io.reactivex.rxjava3.core.Flowable<org.apache.jena.sparql.engine.binding.Binding> execSelectRaw(Callable<? extends org.apache.jena.rdfconnection.SparqlQueryConnection> queryConnSupp, org.apache.jena.query.Query query)
      Create a Flowable from a supplier of connections and a query. Each subscription obtains a fresh connection FIXME Connection is not yet closed when the flowable completes!
      Parameters:
      query -
      queryConnSupp -
      Returns:
    • execSelectRaw

      public static io.reactivex.rxjava3.core.Flowable<org.apache.jena.sparql.engine.binding.Binding> execSelectRaw(QueryExecutionFactoryQuery qeSupp, org.apache.jena.query.Query query)
    • execSelectRaw

      public static io.reactivex.rxjava3.core.Flowable<org.apache.jena.sparql.engine.binding.Binding> execSelectRaw(org.apache.jena.rdfconnection.SparqlQueryConnection queryConn, org.apache.jena.query.Query query)
    • groupByOrdered

      public static <K, X> io.reactivex.rxjava3.core.Flowable<Map.Entry<K,List<X>>> groupByOrdered(io.reactivex.rxjava3.core.Flowable<X> in, Function<X,K> getGroupKey)
    • createTableBuffer

      public static Function<List<org.apache.jena.sparql.engine.binding.Binding>,org.apache.jena.sparql.algebra.Table> createTableBuffer(List<org.apache.jena.sparql.core.Var> vars)
      Parameters:
      vars -
      Returns:
    • processExecSelect

      public static <T> void processExecSelect(io.reactivex.rxjava3.core.FlowableEmitter<T> emitter, org.apache.jena.query.QueryExecution qex, Function<? super org.apache.jena.query.ResultSet,? extends T> next)
    • processExecConstructTriples

      public static void processExecConstructTriples(io.reactivex.rxjava3.core.FlowableEmitter<org.apache.jena.graph.Triple> emitter, org.apache.jena.query.QueryExecution qex)
    • execSelect

      public static <T> io.reactivex.rxjava3.core.Flowable<T> execSelect(Callable<? extends org.apache.jena.query.QueryExecution> qes, Function<? super org.apache.jena.query.ResultSet,T> next)
    • execSelectRaw

      public static io.reactivex.rxjava3.core.Flowable<org.apache.jena.sparql.engine.binding.Binding> execSelectRaw(Callable<? extends org.apache.jena.query.QueryExecution> qes)
    • execSelect

      public static io.reactivex.rxjava3.core.Flowable<org.apache.jena.query.QuerySolution> execSelect(Callable<? extends org.apache.jena.query.QueryExecution> qes)
    • execSelect

      public static io.reactivex.rxjava3.core.Flowable<org.apache.jena.query.QuerySolution> execSelect(org.apache.jena.rdfconnection.SparqlQueryConnection conn, String queryStr)
    • execSelect

      public static io.reactivex.rxjava3.core.Flowable<org.apache.jena.query.QuerySolution> execSelect(org.apache.jena.rdfconnection.SparqlQueryConnection conn, org.apache.jena.query.Query query)
    • execConstructTriples

      public static io.reactivex.rxjava3.core.Flowable<org.apache.jena.graph.Triple> execConstructTriples(org.apache.jena.rdfconnection.SparqlQueryConnection conn, org.apache.jena.query.Query query)
    • execConstructTriples

      public static io.reactivex.rxjava3.core.Flowable<org.apache.jena.graph.Triple> execConstructTriples(Callable<org.apache.jena.query.QueryExecution> qes)
    • constructTriples

      public static io.reactivex.rxjava3.core.Flowable<org.apache.jena.graph.Triple> constructTriples(Callable<org.apache.jena.sparql.exec.QueryExec> qes)
    • execConstructQuads

      public static io.reactivex.rxjava3.core.Flowable<org.apache.jena.sparql.core.Quad> execConstructQuads(org.apache.jena.rdfconnection.SparqlQueryConnection conn, org.apache.jena.query.Query query)
    • execConstructQuads

      public static io.reactivex.rxjava3.core.Flowable<org.apache.jena.sparql.core.Quad> execConstructQuads(Callable<org.apache.jena.query.QueryExecution> qes)
    • execJsonItems

      public static io.reactivex.rxjava3.core.Flowable<org.apache.jena.atlas.json.JsonObject> execJsonItems(org.apache.jena.rdfconnection.SparqlQueryConnection conn, org.apache.jena.query.Query query)
    • execJsonItems

      public static io.reactivex.rxjava3.core.Flowable<org.apache.jena.atlas.json.JsonObject> execJsonItems(Callable<org.apache.jena.query.QueryExecution> qes)
    • select

      public static <T> io.reactivex.rxjava3.core.Flowable<T> select(Callable<? extends org.apache.jena.sparql.exec.QueryExec> qes, Function<? super org.apache.jena.sparql.exec.RowSet,T> next)
    • select

      public static io.reactivex.rxjava3.core.Flowable<org.apache.jena.sparql.engine.binding.Binding> select(QueryExecFactoryQuery qef, org.apache.jena.query.Query query)
    • select

      public static io.reactivex.rxjava3.core.Flowable<org.apache.jena.sparql.engine.binding.Binding> select(Callable<? extends org.apache.jena.sparql.exec.QueryExec> qes)
    • mapToFlowable

      public static Map.Entry<List<org.apache.jena.sparql.core.Var>,io.reactivex.rxjava3.core.Flowable<org.apache.jena.sparql.engine.binding.Binding>> mapToFlowable(org.apache.jena.query.ResultSet rs)
    • mapToBinding

      public static io.reactivex.rxjava3.core.Flowable<org.apache.jena.sparql.engine.binding.Binding> mapToBinding(org.apache.jena.query.ResultSet rs)
    • createGrouper

      public static Function<org.apache.jena.sparql.engine.binding.Binding,org.apache.jena.sparql.engine.binding.Binding> createGrouper(Collection<org.apache.jena.sparql.core.Var> vars, boolean retainNulls)
      Create a grouping function Usage: flowable .groupBy(createGrouper(Arrays.asList(... yourVars ...)))
      Parameters:
      vars -
      retainNulls -
      Returns:
    • createGrouper

      public static Function<org.apache.jena.sparql.engine.binding.Binding,org.apache.jena.graph.Node> createGrouper(org.apache.jena.sparql.core.Var var)
    • main2

      public static void main2(String[] args)
    • fetchNumber

      public static io.reactivex.rxjava3.core.Single<Number> fetchNumber(QueryExecFactoryQuery qef, org.apache.jena.query.Query query, org.apache.jena.sparql.core.Var var)
    • fetchNumber

      public static io.reactivex.rxjava3.core.Single<Number> fetchNumber(Callable<? extends org.apache.jena.sparql.exec.QueryExec> queryConnSupp, org.apache.jena.sparql.core.Var var)
    • fetchCountQueryPartition

      public static io.reactivex.rxjava3.core.Single<com.google.common.collect.Range<Long>> fetchCountQueryPartition(QueryExecutionFactoryQuery qef, org.apache.jena.query.Query query, Collection<org.apache.jena.sparql.core.Var> partitionVars, Long itemLimit, Long rowLimit)
    • fetchCountQueryPartition

      public static io.reactivex.rxjava3.core.Single<com.google.common.collect.Range<Long>> fetchCountQueryPartition(QueryExecFactoryQuery qef, org.apache.jena.query.Query query, Collection<org.apache.jena.sparql.core.Var> partitionVars, Long itemLimit, Long rowLimit)
    • fetchBindingCount

      public static io.reactivex.rxjava3.core.Single<Long> fetchBindingCount(String serviceUrl, org.apache.jena.query.Query query)
    • fetchCountQuery

      public static io.reactivex.rxjava3.core.Single<com.google.common.collect.Range<Long>> fetchCountQuery(QueryExecutionFactoryQuery qef, org.apache.jena.query.Query query, Long itemLimit, Long rowLimit)
    • fetchCountQuery

      public static io.reactivex.rxjava3.core.Single<com.google.common.collect.Range<Long>> fetchCountQuery(QueryExecFactoryQuery qef, org.apache.jena.query.Query query, Long itemLimit, Long rowLimit)
    • toRange

      public static com.google.common.collect.Range<Long> toRange(Long count, Long itemLimit, Long rowLimit)
    • execConstructGrouped

      public static io.reactivex.rxjava3.core.Flowable<org.apache.jena.rdf.model.RDFNode> execConstructGrouped(QueryExecutionFactoryQuery conn, Map.Entry<? extends org.apache.jena.graph.Node,org.apache.jena.query.Query> e)
    • execConstructGrouped

      public static io.reactivex.rxjava3.core.Flowable<org.apache.jena.rdf.model.RDFNode> execConstructGrouped(QueryExecutionFactoryQuery conn, Map.Entry<? extends org.apache.jena.graph.Node,org.apache.jena.query.Query> e, boolean sortRowsByPartitionVar)
    • execPartitioned

      @Deprecated public static io.reactivex.rxjava3.core.Flowable<org.apache.jena.rdf.model.RDFNode> execPartitioned(QueryExecutionFactoryQuery conn, Map.Entry<? extends org.apache.jena.graph.Node,org.apache.jena.query.Query> e)
      Deprecated.
    • execPartitioned

      @Deprecated public static io.reactivex.rxjava3.core.Flowable<org.apache.jena.rdf.model.RDFNode> execPartitioned(QueryExecutionFactoryQuery conn, Map.Entry<? extends org.apache.jena.graph.Node,org.apache.jena.query.Query> e, boolean sortRowsByPartitionVar)
      Deprecated.
    • execConstructGrouped

      public static io.reactivex.rxjava3.core.Flowable<org.apache.jena.rdf.model.RDFNode> execConstructGrouped(QueryExecutionFactoryQuery conn, org.apache.jena.query.Query query, org.apache.jena.graph.Node s)
    • execConstructGrouped

      public static io.reactivex.rxjava3.core.Flowable<org.apache.jena.rdf.model.RDFNode> execConstructGrouped(QueryExecutionFactoryQuery conn, org.apache.jena.query.Query query, org.apache.jena.graph.Node s, boolean sortRowsByPartitionVar)
    • execConstructGrouped

      public static io.reactivex.rxjava3.core.Flowable<Map.Entry<org.apache.jena.sparql.engine.binding.Binding,org.apache.jena.rdf.model.RDFNode>> execConstructGrouped(RDFDataSource dataSource, org.apache.jena.query.Query query, List<org.apache.jena.sparql.core.Var> primaryKeyVars, org.apache.jena.graph.Node rootNode, boolean sortRowsByPartitionVar)
    • execConstructGrouped

      public static io.reactivex.rxjava3.core.Flowable<Map.Entry<org.apache.jena.sparql.engine.binding.Binding,org.apache.jena.rdf.model.RDFNode>> execConstructGrouped(Function<org.apache.jena.query.Query,org.apache.jena.query.QueryExecution> qeSupp, org.apache.jena.query.Query query, List<org.apache.jena.sparql.core.Var> primaryKeyVars, org.apache.jena.graph.Node rootNode, boolean sortRowsByPartitionVar)
    • preprocessQueryForPartition

      public static org.apache.jena.query.Query preprocessQueryForPartition(org.apache.jena.query.Query q, List<org.apache.jena.sparql.core.Var> primaryKeyVars, boolean sortRowsByPartitionVar)
      Return a SELECT query from the given query where - it is ensured that all primaryKeyVars are part of the projection (if they aren't already) - distinct is applied in preparation to instantiation of construct templates (where duplicates can be ignored) - if sortRowsByPartitionVar is true then result bindings are sorted by the primary key vars so that bindings that belong together are consecutive - In case of a construct template without variables variable free is handled
      Parameters:
      q -
      primaryKeyVars -
      sortRowsByPartitionVar -
      Returns:
    • execPartitioned

      @Deprecated public static io.reactivex.rxjava3.core.Flowable<org.apache.jena.rdf.model.RDFNode> execPartitioned(QueryExecutionFactoryQuery conn, org.apache.jena.graph.Node s, org.apache.jena.query.Query q, boolean sortRowsByPartitionVar)
      Deprecated.
    • execConcept

      public static <T extends org.apache.jena.rdf.model.RDFNode> io.reactivex.rxjava3.core.Flowable<T> execConcept(Callable<org.apache.jena.query.QueryExecution> qeSupp, org.apache.jena.sparql.core.Var var, Class<T> clazz)
    • execConcept

      public static io.reactivex.rxjava3.core.Flowable<org.apache.jena.rdf.model.RDFNode> execConcept(Callable<org.apache.jena.query.QueryExecution> qeSupp, org.apache.jena.sparql.core.Var var)
    • execConceptRaw

      public static io.reactivex.rxjava3.core.Flowable<org.apache.jena.graph.Node> execConceptRaw(Callable<org.apache.jena.query.QueryExecution> qeSupp, org.apache.jena.sparql.core.Var var)
    • execConceptRaw

      public static io.reactivex.rxjava3.core.Flowable<org.apache.jena.graph.Node> execConceptRaw(org.apache.jena.rdfconnection.SparqlQueryConnection conn, org.apache.jena.query.Query query, org.apache.jena.sparql.core.Var var)
    • execConcept

      public static <T extends org.apache.jena.rdf.model.RDFNode> io.reactivex.rxjava3.core.Flowable<T> execConcept(Function<? super org.apache.jena.query.Query,? extends org.apache.jena.query.QueryExecution> qef, org.apache.jena.query.Query query, org.apache.jena.sparql.core.Var var, Class<T> clazz)
    • execConceptRaw

      public static io.reactivex.rxjava3.core.Flowable<org.apache.jena.graph.Node> execConceptRaw(Function<? super org.apache.jena.query.Query,? extends org.apache.jena.query.QueryExecution> qef, org.apache.jena.query.Query query, org.apache.jena.sparql.core.Var var)
    • execConceptRaw

      public static io.reactivex.rxjava3.core.Flowable<org.apache.jena.graph.Node> execConceptRaw(Function<? super org.apache.jena.query.Query,? extends org.apache.jena.query.QueryExecution> qef, org.apache.jena.query.Query query)
      Convenience method that assumes a single projected variable