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

Example 11 with SelectBuilder

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

the class WhereClauseTest method testAddMinus.

@ContractTest
public void testAddMinus() {
    SelectBuilder sb = new SelectBuilder();
    sb.addPrefix("pfx", "uri").addVar("?x").addWhere("<one>", "<two>", "three");
    WhereClause<?> whereClause = getProducer().newInstance();
    AbstractQueryBuilder<?> builder = whereClause.addMinus(sb);
    Query query = builder.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);
}

Example 12 with SelectBuilder

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

the class WhereClauseTest method testSetVarsInUnion.

@ContractTest
public void testSetVarsInUnion() {
    Var v = Var.alloc("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, v.asNode());
    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 13 with SelectBuilder

use of org.apache.jena.arq.querybuilder.SelectBuilder 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);
}

Example 14 with SelectBuilder

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

the class WhereHandlerTest method testAddUnionWithVar.

@Test
public void testAddUnionWithVar() {
    Triple t1 = new Triple(NodeFactory.createURI("one"), NodeFactory.createURI("two"), NodeFactory.createURI("three"));
    Triple t2 = new Triple(NodeFactory.createURI("uno"), NodeFactory.createURI("dos"), NodeFactory.createURI("tres"));
    SelectBuilder sb = new SelectBuilder().addVar("x").addWhere(t1);
    handler.addUnion(sb);
    SelectBuilder sb2 = new SelectBuilder().addWhere(t2);
    handler.addUnion(sb2);
    handler.build();
    ElementUnion union = new ElementUnion();
    Query q = new Query();
    q.setQuerySelectType();
    ElementPathBlock epb1 = new ElementPathBlock();
    epb1.addTriple(t1);
    q.setQueryPattern(epb1);
    q.addProjectVars(Arrays.asList(Var.alloc("x")));
    ElementSubQuery sq = new ElementSubQuery(q);
    union.addElement(sq);
    ElementPathBlock epb2 = new ElementPathBlock();
    epb2.addTriple(t2);
    union.addElement(epb2);
    WhereValidator visitor = new WhereValidator(union);
    handler.getQueryPattern().visit(visitor);
    assertTrue(visitor.matching);
}

Example 15 with SelectBuilder

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

the class WhereHandlerTest method testAddSubQueryWithVars.

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