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

Examples of com.hp.hpl.jena.sparql.algebra.Table

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    }

    @Override
    public void visit(OpMinus opMinus)
    {
        Table left = eval(opMinus.getLeft()) ;
        Table right = eval(opMinus.getRight()) ;
        Table table = evaluator.minus(left, right) ;
        push(table) ;
    }
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    }

    @Override
    public void visit(OpUnion opUnion)
    {
        Table left = eval(opUnion.getLeft()) ;
        Table right = eval(opUnion.getRight()) ;
        Table table = evaluator.union(left, right) ;
        push(table) ;
    }
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    }

    @Override
    public void visit(OpConditional opCond)
    {
        Table left = eval(opCond.getLeft()) ;
        // Ref engine - don;'t care about efficiency
        Table right = eval(opCond.getRight()) ;
        Table table = evaluator.condition(left, right) ;
        push(table) ;
    }
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    }
   
    @Override
    public void visit(OpFilter opFilter)
    {
        Table table = eval(opFilter.getSubOp()) ;
        table = evaluator.filter(opFilter.getExprs(), table) ;
        push(table) ;
    }
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    @Override
    public void visit(OpService opService)
    {
        QueryIterator qIter = Service.exec(opService, ARQ.getContext()) ;
        Table table = TableFactory.create(qIter) ;
        push(table) ;
    }
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    }

    @Override
    public void visit(OpList opList)
    {
        Table table = eval(opList.getSubOp()) ;
        table = evaluator.list(table) ;
        push(table) ;
    }
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    }

    @Override
    public void visit(OpOrder opOrder)
    {
        Table table = eval(opOrder.getSubOp()) ;
        table = evaluator.order(table, opOrder.getConditions()) ;
        push(table) ;
    }
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    }

    @Override
    public void visit(OpTopN opTop)
    {
        Table table = eval(opTop.getSubOp()) ;
        //table = evaluator.topN(table, opTop.getLimti(), opTop.getConditions()) ;
        table = evaluator.order(table, opTop.getConditions()) ;
        table = evaluator.slice(table, 0, opTop.getLimit()) ;
        push(table) ;
    }
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    }

    @Override
    public void visit(OpProject opProject)
    {
        Table table = eval(opProject.getSubOp()) ;
        table = evaluator.project(table, opProject.getVars()) ;
        push(table) ;
    }
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    }

    @Override
    public void visit(OpDistinct opDistinct)
    {
        Table table = eval(opDistinct.getSubOp()) ;
        table = evaluator.distinct(table) ;
        push(table) ;
    }
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Related Classes of com.hp.hpl.jena.sparql.algebra.Table

  • arq.examples.propertyfunction.labelSearch
  • com.hp.hpl.jena.sparql.algebra.op.OpJoin
  • com.hp.hpl.jena.sparql.algebra.optimize.TransformFilterInequality
  • com.hp.hpl.jena.sparql.algebra.table.TableBase
  • com.hp.hpl.jena.sparql.engine.main.iterator.QueryIterJoinBase
  • com.hp.hpl.jena.sparql.engine.ref.Eval
  • com.hp.hpl.jena.sparql.engine.ref.EvaluatorDispatch
  • com.hp.hpl.jena.sparql.engine.ref.QueryEngineRef
  • com.hp.hpl.jena.sparql.graph.NodeTransformOp
  • com.hp.hpl.jena.sparql.sse.builders.BuilderTable
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