Package com.hp.hpl.jena.sparql.algebra.op

Examples of com.hp.hpl.jena.sparql.algebra.op.OpBGP

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        Triple triple = new Triple(s, p ,o) ;
       
        // 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>() ;
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    static boolean doFilterPlacement = true ;
   
    public static Op transform(ExprList exprs, BasicPattern bgp)
    {
        if ( ! doFilterPlacement )
            return OpFilter.filter(exprs, new OpBGP(bgp)) ;
       
        Op op = transformFilterBGP(exprs, new HashSet<Var>(), bgp) ;
        // Remaining filters? e.g. ones mentioning var s not used anywhere.
        op = buildFilter(exprs, op) ;
        return op ;
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        // Any filters that depend on no variables.
        Op op = insertAnyFilter(exprs, patternVarsScope, null) ;
       
        for ( Triple triple : pattern )
        {
            OpBGP opBGP = getBGP(op) ;
            if ( opBGP == null )
            {
                // Last thing was not a BGP (so it likely to be a filter)
                // Need to pass the results from that into the next triple.
                // Which is a join and sequence is a special case of join
                // which always evaluates by passing results of the early
                // part into the next element of the sequence.
               
                opBGP = new OpBGP() ;   
                op = OpSequence.create(op, opBGP) ;
            }
           
            opBGP.getPattern().add(triple) ;
            // Update variables in scope.
            VarUtils.addVarsFromTriple(patternVarsScope, triple) ;
           
            // Attempt to place any filters
            op = insertAnyFilter(exprs, patternVarsScope, op) ;
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        Triple triple = new Triple(s, p ,o) ;
       
        // Evaluate as an algebra expression
        BasicPattern pattern = new BasicPattern() ;
        pattern.add(triple) ;
        Op op = new OpBGP(pattern) ;
       
//        // Make remote execution object.
//        System.err.println("GraphSPARQLService.graphBaseFind: Unimplemented : remote service execution") ;
//        //Plan plan = factory.create(op, getDataset(), BindingRoot.create(), null) ;
//
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    @Override public Op transform(OpBGP opBGP)
    {
        BasicPattern bgp2 = NodeTransformLib.transform(transform, opBGP.getPattern()) ;
        if ( bgp2 == opBGP.getPattern())
            return super.transform(opBGP) ;
        return new OpBGP(bgp2) ;
    }
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        BasicPattern p1 = asBGP(left) ;
        BasicPattern p2 = asBGP(right) ;
        if ( p1 != null && p2 != null )
        {
            BasicPattern p = merge(p1, p2) ;
            return new OpBGP(p) ;
        }
       
        return super.transform(opJoin, left, right) ;
    }
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                continue ; // Outer loop.
            }

            // This is the op after the merge, if any.
            BasicPattern pMerge = new BasicPattern() ;
            seq2.add(new OpBGP(pMerge)) ;
            // Merge any BGPs from here on ...
            // Re-gets the BGP that trigegrs this all.
            for ( ; i < elts.size() ; i++ )
            {
                // Look at next element.
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  public void testNumericTimeout()
  {
    BasicPattern basicPattern = new BasicPattern();
    basicPattern.add( Triple.ANY );
    Node serviceNode = Node.createURI("http://example.com:40000");
    OpService opService = new OpService( serviceNode, new OpBGP( basicPattern ), false);

    Context context = new Context();
    ARQ.setNormalMode(context);

    context.set(Service.queryTimeout, 10 ); 
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  public void testStringTimeout()
  {
    BasicPattern basicPattern = new BasicPattern();
    basicPattern.add( Triple.ANY );
    Node serviceNode = Node.createURI("http://example.com:40000");
    OpService opService = new OpService( serviceNode, new OpBGP( basicPattern ), false);

    Context context = new Context();
    ARQ.setNormalMode(context);

    context.set(Service.queryTimeout, "10" ); 
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  public void testStringTimeout2()
  {
    BasicPattern basicPattern = new BasicPattern();
    basicPattern.add( Triple.ANY );
    Node serviceNode = Node.createURI("http://example.com:40000");
    OpService opService = new OpService( serviceNode, new OpBGP( basicPattern ), false);

    Context context = new Context();
    ARQ.setNormalMode(context);

    context.set(Service.queryTimeout, "10,10000" ); 
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