Examples with ElementSubQuery org.apache.jena.sparql.syntax.ElementSubQuery used on opensource projects

Example 1 with ElementSubQuery

use of org.apache.jena.sparql.syntax.ElementSubQuery in project jena by apache.

the class WhereHandlerTest method testMakeSubQueryFromSelectWithVar.

@Test
public void testMakeSubQueryFromSelectWithVar() {
    SelectBuilder sb = new SelectBuilder().addVar("?x").addWhere("?x", RDF.type, RDF.Alt);
    ElementSubQuery esq = handler.makeSubQuery(sb);
    Triple t1 = new Triple(NodeFactory.createVariable("x"), RDF.type.asNode(), RDF.Alt.asNode());
    TriplePath tp = new TriplePath(t1);
    ElementPathBlock epb = new ElementPathBlock();
    epb.addTriple(tp);
    Query q = new Query();
    q.setQuerySelectType();
    q.addResultVar(NodeFactory.createVariable("x"));
    q.setQueryPattern(epb);
    ElementSubQuery esq2 = new ElementSubQuery(q);
    WhereValidator wv = new WhereValidator(esq2);
    esq.visit(wv);
    assertTrue(wv.matching);
}

Example 2 with ElementSubQuery

use of org.apache.jena.sparql.syntax.ElementSubQuery in project jena by apache.

the class WhereHandlerTest method testMakeSubQueryFromWhere.

@Test
public void testMakeSubQueryFromWhere() {
    AbstractQueryBuilder<?> sb = new WhereBuilder().addWhere("?x", RDF.type, RDF.Alt);
    ElementSubQuery esq = handler.makeSubQuery(sb);
    Triple t1 = new Triple(NodeFactory.createVariable("x"), RDF.type.asNode(), RDF.Alt.asNode());
    TriplePath tp = new TriplePath(t1);
    ElementPathBlock epb = new ElementPathBlock();
    epb.addTriple(tp);
    Query q = new Query();
    q.setQuerySelectType();
    q.setQueryResultStar(true);
    q.setQueryPattern(epb);
    ElementSubQuery esq2 = new ElementSubQuery(q);
    WhereValidator wv = new WhereValidator(esq2);
    esq.visit(wv);
    assertTrue(wv.matching);
}

Example 3 with ElementSubQuery

use of org.apache.jena.sparql.syntax.ElementSubQuery in project jena by apache.

the class WhereHandlerTest method testMakeSubQueryFromAsk.

@Test
public void testMakeSubQueryFromAsk() {
    AbstractQueryBuilder<?> sb = new AskBuilder().addWhere("?x", RDF.type, RDF.Alt);
    ElementSubQuery esq = handler.makeSubQuery(sb);
    Triple t1 = new Triple(NodeFactory.createVariable("x"), RDF.type.asNode(), RDF.Alt.asNode());
    TriplePath tp = new TriplePath(t1);
    ElementPathBlock epb = new ElementPathBlock();
    epb.addTriple(tp);
    Query q = new Query();
    q.setQuerySelectType();
    q.setQueryResultStar(true);
    q.setQueryPattern(epb);
    ElementSubQuery esq2 = new ElementSubQuery(q);
    WhereValidator wv = new WhereValidator(esq2);
    esq.visit(wv);
    assertTrue(wv.matching);
}

Example 4 with ElementSubQuery

use of org.apache.jena.sparql.syntax.ElementSubQuery 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 5 with ElementSubQuery

use of org.apache.jena.sparql.syntax.ElementSubQuery in project jena by apache.

the class WhereHandlerTest method testAddSubQueryWithoutVars.

@Test
public void testAddSubQueryWithoutVars() {
    SelectBuilder sb = new SelectBuilder();
    sb.addPrefix("pfx", "uri").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.setQuerySelectType();
    q.setQueryResultStar(true);
    q.setQueryPattern(epb);
    ElementSubQuery esq = new ElementSubQuery(q);
    WhereValidator wv = new WhereValidator(esq);
    query.getQueryPattern().visit(wv);
    assertTrue(wv.matching);
}