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

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

124
125
126
127
128
129
130
131
132
133
134
        Var var2 = createNewVar() ;                     // Hidden variable
       
        BasicPattern bp = new BasicPattern() ;
        Triple t = new Triple(nodeVar, RDFS.label.asNode(), var2) ;
        bp.add(t) ;
        OpBGP op = new OpBGP(bp) ;
       
        Expr regex = new E_Regex(new ExprVar(var2.getName()), pattern, "i") ;
        Op filter = OpFilter.filter(regex, op) ;

        // ---- Evaluation
View Full Code Here
113
114
115
116
117
118
119
120
121
122
123
        // (filter (bgp ...))
        if ( OpBGP.isBGP(opFilter.getSubOp()) )
        {
            // Still may be a TDB graph in a non-TDB dataset (e.g. a named model)
            GraphTDB graph = (GraphTDB)execCxt.getActiveGraph() ;
            OpBGP opBGP = (OpBGP)opFilter.getSubOp() ;
            return executeBGP(graph, opBGP, input, opFilter.getExprs(), execCxt) ;
        }
       
        // (filter (quadpattern ...))
        if ( opFilter.getSubOp() instanceof OpQuadPattern )
View Full Code Here
199
200
201
202
203
204
205
206
207
           
        Op op = null ;
        if ( exprs != null )
            op = TransformFilterPlacement.transform(exprs, pattern) ;
        else
            op = new OpBGP(pattern) ;
       
        return plainExecute(op, input, execCxt) ;
    }
View Full Code Here
126
127
128
129
130
131
132
133
134
135
136
        Var var2 = createNewVar() ;                     // Hidden variable
       
        BasicPattern bp = new BasicPattern() ;
        Triple t = new Triple(nodeVar, RDFS.label.asNode(), var2) ;
        bp.add(t) ;
        OpBGP op = new OpBGP(bp) ;
       
        Expr regex = new E_Regex(new ExprVar(var2.getName()), pattern, "i") ;
        Op filter = OpFilter.filter(regex, op) ;

        // ---- Evaluation
View Full Code Here
53
54
55
56
57
58
59
60
61
62
63
    static boolean doFilterPlacement = true ;
   
    public static Op transform(ExprList exprs, BasicPattern bgp)
    {
        if ( ! doFilterPlacement )
            return OpFilter.filter(exprs, new OpBGP(bgp)) ;
        // Mutated
        ExprList exprs2 = new ExprList(exprs) ;
        Op op = transformFilterBGP(exprs2, new HashSet<Var>(), bgp) ;
        // Remaining filters? e.g. ones mentioning var s not used anywhere.
        op = buildFilter(exprs2, op) ;
View Full Code Here
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
        // 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) ;
View Full Code Here
37
38
39
40
41
42
43
44
45
46
47
  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 ); 
View Full Code Here
68
69
70
71
72
73
74
75
76
77
78
  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" ); 
View Full Code Here
98
99
100
101
102
103
104
105
106
107
108
  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" ); 
View Full Code Here
58
59
60
61
62
63
64
65
66
67
68
    static boolean doFilterPlacement = true ;
   
    public static Op transform(ExprList exprs, BasicPattern bgp)
    {
        if ( ! doFilterPlacement )
            return OpFilter.filter(exprs, new OpBGP(bgp)) ;
        // Mutated
        ExprList exprs2 = new ExprList(exprs) ;
        Op op = transformFilterBGP(exprs2, new HashSet<Var>(), bgp) ;
        // Remaining filters? e.g. ones mentioning var s not used anywhere.
        op = buildFilter(exprs2, op) ;
View Full Code Here
TOP

Related Classes of com.hp.hpl.jena.sparql.algebra.op.OpBGP

  • arq.examples.AlgebraExec
  • arq.examples.propertyfunction.labelSearch
  • com.hp.hpl.jena.sparql.algebra.AlgebraGenerator
  • com.hp.hpl.jena.sparql.algebra.optimize.TransformFilterPlacement
  • com.hp.hpl.jena.sparql.algebra.optimize.TransformFilterPlacement_Old
  • com.hp.hpl.jena.sparql.algebra.optimize.TransformFilterPlacementConservative
  • com.hp.hpl.jena.sparql.algebra.optimize.TransformMergeBGPs
  • com.hp.hpl.jena.sparql.algebra.optimize.TransformReorder
  • com.hp.hpl.jena.sparql.algebra.PropertyFunctionGenerator
  • com.hp.hpl.jena.sparql.algebra.TransformUnionQuery
    • Copyright © 2018 www.massapicom. All rights reserved.
    All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.