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

Example 1 with WhereValidator

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

the class WhereHandlerTest method testAddSubQueryWithVarExpressions.

@Test
public void testAddSubQueryWithVarExpressions() throws ParseException {
    SelectBuilder sb = new SelectBuilder();
    sb.addPrefix("pfx", "uri").addVar("count(*)", "?x").addWhere("<one>", "<two>", "three");
    handler.addSubQuery(sb);
    handler.build();
    Triple t1 = new Triple(NodeFactory.createURI("one"), NodeFactory.createURI("two"), NodeFactory.createLiteral("three"));
    TriplePath tp = new TriplePath(t1);
    ElementPathBlock epb = new ElementPathBlock();
    epb.addTriple(tp);
    Query q = new Query();
    q.addResultVar("x", q.allocAggregate(new AggCount()));
    q.setQuerySelectType();
    q.setQueryPattern(epb);
    ElementSubQuery esq = new ElementSubQuery(q);
    WhereValidator wv = new WhereValidator(esq);
    query.getQueryPattern().visit(wv);
    assertTrue(wv.matching);
}

Example 2 with WhereValidator

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

the class WhereHandlerTest method testAddAllOnEmpty.

@Test
public void testAddAllOnEmpty() {
    Query query2 = new Query();
    WhereHandler handler2 = new WhereHandler(query2);
    handler2.addWhere(new TriplePath(new Triple(NodeFactory.createURI("one"), NodeFactory.createURI("two"), NodeFactory.createLiteral("three"))));
    handler.addAll(handler2);
    handler.build();
    Triple t1 = new Triple(NodeFactory.createURI("one"), NodeFactory.createURI("two"), NodeFactory.createLiteral("three"));
    TriplePath tp = new TriplePath(t1);
    ElementPathBlock epb = new ElementPathBlock();
    epb.addTriple(tp);
    WhereValidator wv = new WhereValidator(epb);
    query.getQueryPattern().visit(wv);
    assertTrue(wv.matching);
}

Example 3 with WhereValidator

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

the class WhereHandlerTest method testAddWhereObjects.

@Test
public void testAddWhereObjects() {
    handler.addWhere(new TriplePath(new Triple(NodeFactory.createURI("one"), ResourceFactory.createResource("two").asNode(), ResourceFactory.createLangLiteral("three", "en-US").asNode())));
    handler.build();
    Triple t1 = new Triple(NodeFactory.createURI("one"), NodeFactory.createURI("two"), ResourceFactory.createLangLiteral("three", "en-US").asNode());
    TriplePath tp = new TriplePath(t1);
    ElementPathBlock epb = new ElementPathBlock();
    epb.addTriple(tp);
    WhereValidator wv = new WhereValidator(epb);
    query.getQueryPattern().visit(wv);
    assertTrue(wv.matching);
}

Example 4 with WhereValidator

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

the class WhereHandlerTest method testAddFilterVarOnly.

@Test
public void testAddFilterVarOnly() throws ParseException {
    handler.addFilter("?one");
    handler.build();
    ExprFactory fact = new ExprFactory();
    WhereValidator visitor = new WhereValidator(new ElementFilter(fact.asExpr("?one")));
    handler.getQueryPattern().visit(visitor);
    assertTrue(visitor.matching);
}

Example 5 with WhereValidator

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

the class WhereHandlerTest method testSetVarsInTriple.

@Test
public void testSetVarsInTriple() {
    Var v = Var.alloc("v");
    handler.addWhere(new TriplePath(new Triple(NodeFactory.createURI("one"), NodeFactory.createURI("two"), v)));
    handler.build();
    Triple t = new Triple(NodeFactory.createURI("one"), NodeFactory.createURI("two"), v);
    ElementPathBlock epb = new ElementPathBlock();
    epb.addTriple(t);
    WhereValidator visitor = new WhereValidator(epb);
    handler.getQueryPattern().visit(visitor);
    assertTrue(visitor.matching);
    Map<Var, Node> values = new HashMap<>();
    values.put(v, NodeFactory.createURI("three"));
    handler.setVars(values);
    handler.build();
    t = new Triple(NodeFactory.createURI("one"), NodeFactory.createURI("two"), NodeFactory.createURI("three"));
    epb = new ElementPathBlock();
    epb.addTriple(t);
    visitor = new WhereValidator(epb);
    handler.getQueryPattern().visit(visitor);
    assertTrue(visitor.matching);
}