Package com.hp.hpl.jena.sparql.engine

Examples of com.hp.hpl.jena.sparql.engine.Plan

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        Iterator<Binding> toReturn ;
       
        if ( query != null )
        {
            Plan plan = QueryExecutionFactory.createPlan(query, dsg, inputBinding, context) ;
            toReturn = plan.iterator();
        }
        else
        {
            toReturn = Iter.singleton((null != inputBinding) ? inputBinding : BindingRoot.create()) ;
        }
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    {
        QueryEngineFactory f = QueryEngineRegistry.findFactory(query, qe.getDataset().asDatasetGraph(), ARQ.getContext()) ;
        if ( f == null )
            System.err.println("printPlan: Unknown engine type: "+Utils.className(qe)) ;
       
        Plan plan = f.create(query, qe.getDataset().asDatasetGraph(), BindingRoot.create(), ARQ.getContext()) ;
        SerializationContext sCxt = new SerializationContext(query) ;
        IndentedWriter out = IndentedWriter.stdout ;
   
        plan.output(out, sCxt) ;
        out.flush();
    }
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        // Evaluate as an algebra expression
        BasicPattern pattern = new BasicPattern() ;
        pattern.add(triple) ;
        Op op = new OpBGP(pattern) ;
        Plan plan = factory.create(op, getDataset(), BindingRoot.create(), null) ;
       
        QueryIterator qIter = plan.iterator() ;
        //List<Triple> triples = new ArrayList<Triple>() ;
        List<Triple> triples = new ArrayList<Triple>() ;
       
        for (; qIter.hasNext() ; )
        {
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        // Evaluate as an algebra expression
        BasicPattern pattern = new BasicPattern() ;
        pattern.add(triple) ;
        Op op = new OpQuadPattern(graphNode, pattern) ;
        Plan plan = QueryEngineSDB.getFactory().create(op, datasetStore, BindingRoot.create(), null) ;
       
        QueryIterator qIter = plan.iterator() ;
       
        if ( SDB.getContext().isTrue(SDB.streamGraphAPI) )
        {
            // Dangerous version -- application must close iterator.
            return new GraphIterator(triple, qIter) ;
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            }

            if ( printPlan )
            {
                QueryIterator qIter = Algebra.exec(op, dsg) ;
                Plan plan = new PlanOp(op, null, qIter) ;
                divider() ;
                IndentedWriter out = new IndentedWriter(System.out, false) ;
                plan.output(out) ;
                out.flush();
            }
            //return ;
        }
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        Iterator<Binding> toReturn ;
       
        if ( query != null )
        {
            Plan plan = QueryExecutionFactory.createPlan(query, dsg, inputBinding, context) ;
            toReturn = plan.iterator();
        }
        else
        {
            toReturn = Iter.singleton((null != inputBinding) ? inputBinding : BindingRoot.create()) ;
        }
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        Iterator<Binding> toReturn ;
       
        if ( query != null )
        {
            Plan plan = QueryExecutionFactory.createPlan(query, dsg, null, context) ;
            toReturn = plan.iterator();
        }
        else
        {
            toReturn = Iter.singleton(BindingRoot.create()) ;
        }
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        Iterator<Binding> toReturn ;
       
        if ( query != null )
        {
            Plan plan = QueryExecutionFactory.createPlan(query, dsg, initialBinding, context) ;
            toReturn = plan.iterator();
        }
        else
        {
            toReturn = Iter.singleton((initialBinding != null) ? initialBinding : BindingRoot.create()) ;
        }
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        Iterator<Binding> toReturn ;
       
        if ( query != null )
        {
            Plan plan = QueryExecutionFactory.createPlan(query, dsg, initialBinding, context) ;
            toReturn = plan.iterator();
        }
        else
        {
            toReturn = Iter.singleton((initialBinding != null) ? initialBinding : BindingRoot.create()) ;
        }
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        Iterator<Binding> toReturn ;
       
        if ( query != null )
        {
            Plan plan = QueryExecutionFactory.createPlan(query, dsg, inputBinding, context) ;
            toReturn = plan.iterator();
        }
        else
        {
            toReturn = Iter.singleton((null != inputBinding) ? inputBinding : BindingRoot.create()) ;
        }
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Related Classes of com.hp.hpl.jena.sparql.engine.Plan

  • arq.sse_query
  • com.hp.hpl.jena.sdb.graph.GraphQueryHandlerSDB$BindingQueryPlanSDB
  • com.hp.hpl.jena.sdb.graph.GraphSDB
  • com.hp.hpl.jena.sparql.algebra.Algebra
  • com.hp.hpl.jena.sparql.graph.GraphSPARQL
  • com.hp.hpl.jena.sparql.graph.Reifier2
  • com.hp.hpl.jena.sparql.modify.UpdateEngineWorker
  • com.hp.hpl.jena.sparql.util.QueryOutputUtils
  • de.fuberlin.wiwiss.d2rq.jena.D2RQQueryHandler
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