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

Example 11 with ElementOptional

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

the class WhereHandlerTest method testAddOptionalObjects.

@Test
public void testAddOptionalObjects() {
    handler.addOptional(new TriplePath(new Triple(NodeFactory.createURI("one"), ResourceFactory.createResource("two").asNode(), ResourceFactory.createLangLiteral("three", "en-US").asNode())));
    handler.build();
    ElementPathBlock epb = new ElementPathBlock();
    ElementOptional optional = new ElementOptional(epb);
    TriplePath tp = new TriplePath(new Triple(NodeFactory.createURI("one"), ResourceFactory.createResource("two").asNode(), ResourceFactory.createLangLiteral("three", "en-US").asNode()));
    epb.addTriplePath(tp);
    WhereValidator visitor = new WhereValidator(optional);
    handler.getQueryPattern().visit(visitor);
    assertTrue(visitor.matching);
}

Example 12 with ElementOptional

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

the class WhereClauseTest method testAddOptionalGroupPattern.

@ContractTest
public void testAddOptionalGroupPattern() {
    Var s = Var.alloc("s");
    Node q = NodeFactory.createURI("urn:q");
    Node v = NodeFactory.createURI("urn:v");
    Var x = Var.alloc("x");
    Node n123 = NodeFactory.createLiteral(LiteralLabelFactory.createTypedLiteral(123));
    SelectBuilder pattern = new SelectBuilder();
    pattern.addWhere(new Triple(s, q, n123));
    pattern.addWhere(new Triple(s, v, x));
    WhereClause<?> whereClause = getProducer().newInstance();
    AbstractQueryBuilder<?> builder = whereClause.addOptional(pattern);
    ElementPathBlock epb = new ElementPathBlock();
    ElementOptional optional = new ElementOptional(epb);
    TriplePath tp = new TriplePath(new Triple(s, q, n123));
    epb.addTriplePath(tp);
    tp = new TriplePath(new Triple(s, v, x));
    epb.addTriplePath(tp);
    WhereValidator visitor = new WhereValidator(optional);
    builder.build().getQueryPattern().visit(visitor);
    assertTrue(visitor.matching);
}

Example 13 with ElementOptional

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

the class WhereClauseTest method testSetVarsInOptional_Node_Variable.

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

Example 14 with ElementOptional

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

the class WhereClauseTest method testSetVarsInOptional.

@ContractTest
public void testSetVarsInOptional() {
    Var v = Var.alloc("v");
    WhereClause<?> whereClause = getProducer().newInstance();
    AbstractQueryBuilder<?> builder = whereClause.addOptional(new Triple(NodeFactory.createURI("one"), NodeFactory.createURI("two"), v));
    ElementPathBlock epb = new ElementPathBlock();
    ElementOptional optional = new ElementOptional(epb);
    TriplePath tp = new TriplePath(NodeFactory.createURI("one"), new P_Link(NodeFactory.createURI("two")), v);
    epb.addTriple(tp);
    WhereValidator visitor = new WhereValidator(optional);
    builder.build().getQueryPattern().visit(visitor);
    assertTrue(visitor.matching);
    builder.setVar(v, NodeFactory.createURI("three"));
    epb = new ElementPathBlock();
    optional = new ElementOptional(epb);
    Triple t = new Triple(NodeFactory.createURI("one"), NodeFactory.createURI("two"), NodeFactory.createURI("three"));
    epb.addTriple(t);
    visitor = new WhereValidator(optional);
    builder.build().getQueryPattern().visit(visitor);
    assertTrue(visitor.matching);
}

Example 15 with ElementOptional

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

the class WhereClauseTest method testAddOptionalObjects.

@ContractTest
public void testAddOptionalObjects() {
    WhereClause<?> whereClause = getProducer().newInstance();
    AbstractQueryBuilder<?> builder = whereClause.addOptional(NodeFactory.createURI("one"), NodeFactory.createURI("two"), NodeFactory.createURI("three"));
    ElementPathBlock epb = new ElementPathBlock();
    ElementOptional optional = new ElementOptional(epb);
    Triple t = new Triple(NodeFactory.createURI("one"), NodeFactory.createURI("two"), NodeFactory.createURI("three"));
    epb.addTriple(t);
    WhereValidator visitor = new WhereValidator(optional);
    builder.build().getQueryPattern().visit(visitor);
    assertTrue(visitor.matching);
}