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

Example 46 with WhereValidator

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

the class WhereClauseTest method testSetVarsInTriple.

@ContractTest
public void testSetVarsInTriple() {
    Var v = Var.alloc("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, 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, v));
    epb = new ElementPathBlock();
    epb.addTriple(tp);
    visitor = new WhereValidator(epb);
    builder.build().getQueryPattern().visit(visitor);
    assertTrue(visitor.matching);
}

Example 47 with WhereValidator

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

the class WhereClauseTest method testBindExprVar.

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

Example 48 with WhereValidator

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

the class WhereClauseTest method testAddGraph_triplePath.

@ContractTest
public void testAddGraph_triplePath() {
    final Node s = NodeFactory.createURI("s");
    final Node p = NodeFactory.createURI("p");
    final Node o = NodeFactory.createURI("o");
    TriplePath tp = new TriplePath(new Triple(s, p, o));
    WhereClause<?> whereClause = getProducer().newInstance();
    AbstractQueryBuilder<?> builder = whereClause.addGraph("<g>", tp);
    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);
}

Example 49 with WhereValidator

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

the class WhereClauseTest method testSetVarsInFilter.

@ContractTest
public void testSetVarsInFilter() throws ParseException {
    WhereClause<?> whereClause = getProducer().newInstance();
    AbstractQueryBuilder<?> builder = whereClause.addFilter("?one < ?v");
    ExprVar one = new ExprVar(NodeFactory.createVariable("one"));
    ExprVar v = new ExprVar(NodeFactory.createVariable("v"));
    Expr expr = new E_LessThan(one, v);
    ElementFilter filter = new ElementFilter(expr);
    WhereValidator visitor = new WhereValidator(filter);
    builder.build().getQueryPattern().visit(visitor);
    assertTrue(visitor.matching);
    Node literal = NodeFactory.createLiteral(LiteralLabelFactory.createTypedLiteral(10));
    builder.setVar(Var.alloc("v"), literal);
    NodeValueInteger lit = new NodeValueInteger(10);
    expr = new E_LessThan(one, lit);
    filter = new ElementFilter(expr);
    builder.build().getQueryPattern().visit(visitor);
    assertTrue(visitor.matching);
}

Example 50 with WhereValidator

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

the class WhereHandlerTest method testAddMinus.

@Test
public void testAddMinus() {
    SelectBuilder sb = new SelectBuilder();
    sb.addPrefix("pfx", "uri").addWhere("<one>", "<two>", "three");
    handler.addMinus(sb);
    handler.build();
    ElementPathBlock epb = new ElementPathBlock();
    ElementMinus minus = new ElementMinus(epb);
    epb.addTriplePath(new TriplePath(new Triple(NodeFactory.createURI("one"), NodeFactory.createURI("two"), NodeFactory.createLiteral("three"))));
    WhereValidator visitor = new WhereValidator(minus);
    query.getQueryPattern().visit(visitor);
    assertTrue(visitor.matching);
}