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

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

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        check(opQuery, opExpectedString) ;
    }

    private static void check(Op opToOptimize, String opExpectedString)
    {
        Op opOptimize = Algebra.optimize(opToOptimize) ;
        Op opExpected = SSE.parseOp(opExpectedString) ;
        assertEquals(opExpected, opOptimize) ;
    }
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    static private List<Binding> exec(String pattern, boolean applyQuad, DatasetGraph dsg)
    {
        Op op = SSE.parseOp(pattern) ;
        if ( applyQuad )
            op = Algebra.toQuadForm(op) ;
        Op op2 = Algebra.unionDefaultGraph(op) ;
        QueryIterator qIter = Algebra.exec(op, TestUnionGraph.dsg1) ;
        return Iter.toList(qIter) ;
    }
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//        assertEquals(1, results.size()) ;
//    }
   
    private List<Binding> exec(String pattern)
    {
        Op op = op(pattern) ;
        QueryIterator qIter = Algebra.exec(op, TestUnionGraph.dsg1) ;
        return  Iter.toList(qIter) ;
    }
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    private static void test(String qs)
    {
        qs = "SELECT * {\n"+qs+"\n}" ;
        Query query = QueryFactory.create(qs, Syntax.syntaxARQ) ;
        AlgebraGenerator gen = new AlgebraGenerator() ;
        Op opActual = gen.compile(query) ;
        String x = opActual.toString() ;
        x = x.replaceAll("\n$", "") ;
        x = x.replace("\n", "\", \n\"") ;
        System.out.print('"') ;
        System.out.print(x) ;
        System.out.println('"') ;
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    {
        qs = "SELECT * {\n"+qs+"\n}" ;
        Query query = QueryFactory.create(qs, Syntax.syntaxARQ) ;

        String opStr = StrUtils.strjoinNL(y) ;
        Op opExpected = SSE.parseOp(opStr) ;
        AlgebraGenerator gen = new AlgebraGenerator() ;
        Op opActual = gen.compile(query) ;
        assertEquals(opExpected, opActual) ;
    }
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    }
   
    private void outputAlgebra(ServletOutputStream outStream, final Query query, boolean lineNumbers) throws IOException
    {
        outStream.println("<p>Algebra structure:</p>") ;
        final Op op = Algebra.compile(query) ;   // No optimization
        output(outStream, query, op, lineNumbers) ;
    }
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    }
       
    private void outputAlgebraOpt(ServletOutputStream outStream, final Query query, boolean lineNumbers) throws IOException
    {
        outStream.println("<p>Alebgra, with general triple optimizations:</p>") ;
        final Op op = Algebra.optimize(Algebra.compile(query)) ;
        output(outStream, query, op, lineNumbers) ;
    }
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    }
       
    private void outputAlgebraQuads(ServletOutputStream outStream, final Query query, boolean lineNumbers) throws IOException
    {
        outStream.println("<p>Quad structure:</p>") ;
        final Op op = Algebra.toQuadForm(Algebra.compile(query)) ;
        output(outStream, query, op, lineNumbers) ;
    }
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    }

    private void outputAlgebraOptQuads(ServletOutputStream outStream, final Query query, boolean lineNumbers) throws IOException
    {
        outStream.println("<p>Alebgra, with general quads optimizations:</p>") ;
        final Op op = Algebra.optimize(Algebra.toQuadForm(Algebra.compile(query))) ;
        output(outStream, query, op, lineNumbers) ;
    }
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        }
           
        String pattern = args[0] ;
        String statsFile = args[1] ;
       
        Op op = SSE.readOp(pattern) ;

        BasicPattern bgp ;
        if ( op instanceof OpQuadPattern ) {
            bgp = ((OpQuadPattern)op).getBasicPattern() ;
        } else if ( op instanceof OpBGP ) {
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Related Classes of com.hp.hpl.jena.sparql.algebra.Op

  • arq.examples.AlgebraEx
  • arq.examples.AlgebraExec
  • arq.examples.propertyfunction.labelSearch
  • arq.sse_query
  • com.hp.hpl.jena.sdb.compiler.QueryCompilerMain
  • com.hp.hpl.jena.sdb.compiler.QueryCompilerMain$LimitOffsetOptimizer
  • com.hp.hpl.jena.sdb.compiler.QueryIterOpSQL
  • com.hp.hpl.jena.sdb.compiler.SDBCompile
  • com.hp.hpl.jena.sdb.compiler.TransformSliceProject
  • com.hp.hpl.jena.sdb.engine.QueryEngineSDB
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