Examples with WhereValidator org.apache.jena.arq.querybuilder.WhereValidator used on opensource projects

Example 41 with WhereValidator

use of org.apache.jena.arq.querybuilder.WhereValidator in project jena by apache.

the class WhereClauseTest method testAddOptionalTriplePath.

@ContractTest
public void testAddOptionalTriplePath() {
    WhereClause<?> whereClause = getProducer().newInstance();
    PrefixMapping pmap = new PrefixMappingImpl();
    pmap.setNsPrefix("ts", "urn:test:");
    Path path = PathParser.parse("ts:two/ts:dos", pmap);
    AbstractQueryBuilder<?> builder = whereClause.addOptional(new TriplePath(NodeFactory.createURI("one"), path, NodeFactory.createURI("three")));
    ElementPathBlock epb = new ElementPathBlock();
    ElementOptional optional = new ElementOptional(epb);
    TriplePath tp = new TriplePath(NodeFactory.createURI("one"), path, NodeFactory.createURI("three"));
    epb.addTriplePath(tp);
    WhereValidator visitor = new WhereValidator(optional);
    builder.build().getQueryPattern().visit(visitor);
    assertTrue(visitor.matching);
}

Example 42 with WhereValidator

use of org.apache.jena.arq.querybuilder.WhereValidator in project jena by apache.

the class WhereClauseTest method testSetVarsInTriple_Node_Variable.

@ContractTest
public void testSetVarsInTriple_Node_Variable() {
    Node v = NodeFactory.createVariable("v");
    Node one = NodeFactory.createURI("one");
    Node two = NodeFactory.createURI("two");
    Node three = NodeFactory.createURI("three");
    Node four = NodeFactory.createURI("four");
    WhereClause<?> whereClause = getProducer().newInstance();
    AbstractQueryBuilder<?> builder = whereClause.addWhere(new Triple(one, two, v));
    TriplePath tp = new TriplePath(new Triple(one, two, Var.alloc(v)));
    ElementPathBlock epb = new ElementPathBlock();
    epb.addTriple(tp);
    WhereValidator visitor = new WhereValidator(epb);
    builder.build().getQueryPattern().visit(visitor);
    assertTrue(visitor.matching);
    builder.setVar(v, three);
    tp = new TriplePath(new Triple(one, two, three));
    epb = new ElementPathBlock();
    epb.addTriple(tp);
    visitor = new WhereValidator(epb);
    builder.build().getQueryPattern().visit(visitor);
    assertTrue(visitor.matching);
    builder.setVar(v, four);
    tp = new TriplePath(new Triple(one, two, four));
    epb = new ElementPathBlock();
    epb.addTriple(tp);
    visitor = new WhereValidator(epb);
    builder.build().getQueryPattern().visit(visitor);
    assertTrue(visitor.matching);
    builder.setVar(v, null);
    tp = new TriplePath(new Triple(one, two, Var.alloc("v")));
    epb = new ElementPathBlock();
    epb.addTriple(tp);
    visitor = new WhereValidator(epb);
    builder.build().getQueryPattern().visit(visitor);
    assertTrue(visitor.matching);
}

Example 43 with WhereValidator

use of org.apache.jena.arq.querybuilder.WhereValidator in project jena by apache.

the class WhereClauseTest method testSetVarsInUnion_Node_Variable.

@ContractTest
public void testSetVarsInUnion_Node_Variable() {
    Node v = NodeFactory.createVariable("v");
    SelectBuilder sb1 = new SelectBuilder().addPrefix("pfx", "uri").addWhere("<one>", "<two>", v);
    WhereClause<?> whereClause = getProducer().newInstance();
    whereClause.addUnion(sb1);
    SelectBuilder sb2 = new SelectBuilder().addWhere("<uno>", "<dos>", "<tres>");
    AbstractQueryBuilder<?> builder = whereClause.addUnion(sb2);
    Query query = builder.build();
    Node one = NodeFactory.createURI("one");
    Node two = NodeFactory.createURI("two");
    Node three = NodeFactory.createURI("three");
    Node uno = NodeFactory.createURI("uno");
    Node dos = NodeFactory.createURI("dos");
    Node tres = NodeFactory.createURI("tres");
    ElementUnion union = new ElementUnion();
    ElementPathBlock epb = new ElementPathBlock();
    Triple t = new Triple(one, two, Var.alloc(v));
    epb.addTriple(t);
    union.addElement(epb);
    ElementPathBlock epb2 = new ElementPathBlock();
    t = new Triple(uno, dos, tres);
    epb2.addTriple(t);
    union.addElement(epb2);
    WhereValidator visitor = new WhereValidator(union);
    query.getQueryPattern().visit(visitor);
    assertTrue(visitor.matching);
    builder.setVar(v, NodeFactory.createURI("three"));
    query = builder.build();
    union = new ElementUnion();
    epb = new ElementPathBlock();
    t = new Triple(one, two, three);
    epb.addTriple(t);
    union.addElement(epb);
    epb2 = new ElementPathBlock();
    t = new Triple(uno, dos, tres);
    epb2.addTriple(t);
    union.addElement(epb2);
    visitor = new WhereValidator(union);
    query.getQueryPattern().visit(visitor);
    assertTrue(visitor.matching);
}

Example 44 with WhereValidator

use of org.apache.jena.arq.querybuilder.WhereValidator in project jena by apache.

the class WhereClauseTest method testBindStringVar_Node_Variable.

@ContractTest
public void testBindStringVar_Node_Variable() throws ParseException {
    Node v = NodeFactory.createVariable("foo");
    WhereClause<?> whereClause = getProducer().newInstance();
    AbstractQueryBuilder<?> builder = whereClause.addBind("rand()", v);
    Query query = builder.build();
    ElementBind bind = new ElementBind(Var.alloc(v), new E_Random());
    WhereValidator visitor = new WhereValidator(bind);
    query.getQueryPattern().visit(visitor);
    assertTrue(visitor.matching);
    Node three = NodeFactory.createURI("three");
    builder.setVar(v, three);
    query = builder.build();
    visitor = new WhereValidator(new ElementTriplesBlock());
    query.getQueryPattern().visit(visitor);
    assertTrue(visitor.matching);
}

Example 45 with WhereValidator

use of org.apache.jena.arq.querybuilder.WhereValidator in project jena by apache.

the class WhereClauseTest method testAddGraph_frontsTriple.

@ContractTest
public void testAddGraph_frontsTriple() {
    final Node s = NodeFactory.createURI("s");
    final Node p = NodeFactory.createURI("p");
    final Node o = NodeFactory.createURI("o");
    FrontsTriple ft = new FrontsTriple() {

        @Override
        public Triple asTriple() {
            return new Triple(s, p, o);
        }
    };
    WhereClause<?> whereClause = getProducer().newInstance();
    AbstractQueryBuilder<?> builder = whereClause.addGraph("<g>", ft);
    Query query = builder.build();
    ElementPathBlock epb = new ElementPathBlock();
    ElementNamedGraph eng = new ElementNamedGraph(NodeFactory.createURI("g"), epb);
    epb.addTriplePath(new TriplePath(new Triple(s, p, o)));
    WhereValidator visitor = new WhereValidator(eng);
    query.getQueryPattern().visit(visitor);
    assertTrue(visitor.matching);
}