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

Example 61 with ElementPathBlock

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

the class UpdateBuilderTest method testInsertAndDeleteWithVarReplacement.

@Test
public void testInsertAndDeleteWithVarReplacement() {
    UpdateBuilder builder = new UpdateBuilder();
    Var v = Var.alloc("v");
    builder.addInsert(new Quad(g, s, v, o));
    builder.addDelete(new Triple(s, v, o));
    builder.addWhere(null, v, "foo");
    builder.setVar(v, p);
    Update update = builder.build();
    assertTrue(update instanceof UpdateModify);
    UpdateModify um = (UpdateModify) update;
    List<Quad> quads = um.getInsertQuads();
    assertEquals(1, quads.size());
    Quad q = quads.get(0);
    assertEquals(g, q.getGraph());
    assertEquals(s, q.getSubject());
    assertEquals(p, q.getPredicate());
    assertEquals(o, q.getObject());
    quads = um.getDeleteQuads();
    assertEquals(1, quads.size());
    q = quads.get(0);
    assertEquals(Quad.defaultGraphNodeGenerated, q.getGraph());
    assertEquals(s, q.getSubject());
    assertEquals(p, q.getPredicate());
    assertEquals(o, q.getObject());
    Element e = um.getWherePattern();
    assertTrue(e instanceof ElementGroup);
    ElementGroup eg = (ElementGroup) e;
    assertEquals(1, eg.getElements().size());
    ElementPathBlock epb = (ElementPathBlock) eg.getElements().get(0);
    Triple t = epb.getPattern().get(0).asTriple();
    assertEquals(Node.ANY, t.getSubject());
    assertEquals(p, t.getPredicate());
    assertEquals(builder.makeNode("foo"), t.getObject());
}

Example 62 with ElementPathBlock

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

the class UpdateBuilderTest method testInsertAndDeleteWithVariableNodeReplacement.

@Test
public void testInsertAndDeleteWithVariableNodeReplacement() {
    UpdateBuilder builder = new UpdateBuilder();
    Node v = NodeFactory.createVariable("v");
    builder.addInsert(new Quad(g, s, v, o));
    builder.addDelete(new Triple(s, v, o));
    builder.addWhere(null, v, "foo");
    builder.setVar(v, p);
    Update update = builder.build();
    assertTrue(update instanceof UpdateModify);
    UpdateModify um = (UpdateModify) update;
    List<Quad> quads = um.getInsertQuads();
    assertEquals(1, quads.size());
    Quad q = quads.get(0);
    assertEquals(g, q.getGraph());
    assertEquals(s, q.getSubject());
    assertEquals(p, q.getPredicate());
    assertEquals(o, q.getObject());
    quads = um.getDeleteQuads();
    assertEquals(1, quads.size());
    q = quads.get(0);
    assertEquals(Quad.defaultGraphNodeGenerated, q.getGraph());
    assertEquals(s, q.getSubject());
    assertEquals(p, q.getPredicate());
    assertEquals(o, q.getObject());
    Element e = um.getWherePattern();
    assertTrue(e instanceof ElementGroup);
    ElementGroup eg = (ElementGroup) e;
    assertEquals(1, eg.getElements().size());
    ElementPathBlock epb = (ElementPathBlock) eg.getElements().get(0);
    Triple t = epb.getPattern().get(0).asTriple();
    assertEquals(Node.ANY, t.getSubject());
    assertEquals(p, t.getPredicate());
    assertEquals(builder.makeNode("foo"), t.getObject());
}

Example 63 with ElementPathBlock

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

the class WhereHandlerTest method testMakeSubQueryFromConstruct.

@Test
public void testMakeSubQueryFromConstruct() {
    AbstractQueryBuilder<?> sb = new ConstructBuilder().addConstruct("?x", RDF.type, NodeFactory.createURI("foo")).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 64 with ElementPathBlock

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

the class WhereHandlerTest method testAddOptionalStrings.

@Test
public void testAddOptionalStrings() {
    handler.addOptional(new TriplePath(new Triple(NodeFactory.createURI("one"), NodeFactory.createURI("two"), NodeFactory.createURI("three"))));
    handler.build();
    TriplePath tp = new TriplePath(new Triple(NodeFactory.createURI("one"), NodeFactory.createURI("two"), NodeFactory.createURI("three")));
    ElementPathBlock epb = new ElementPathBlock();
    epb.addTriple(tp);
    ElementOptional opt = new ElementOptional(epb);
    WhereValidator wv = new WhereValidator(opt);
    query.getQueryPattern().visit(wv);
    assertTrue(wv.matching);
}

Example 65 with ElementPathBlock

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

the class WhereHandlerTest method addGraph.

@Test
public void addGraph() {
    WhereHandler handler2 = new WhereHandler(new Query());
    handler2.addWhere(new TriplePath(new Triple(NodeFactory.createURI("one"), NodeFactory.createURI("two"), NodeFactory.createURI("three"))));
    handler.addGraph(NodeFactory.createURI("graph"), handler2);
    handler.build();
    TriplePath tp = new TriplePath(new Triple(NodeFactory.createURI("one"), NodeFactory.createURI("two"), NodeFactory.createURI("three")));
    ElementPathBlock epb = new ElementPathBlock();
    epb.addTriple(tp);
    ElementNamedGraph eng = new ElementNamedGraph(NodeFactory.createURI("graph"), epb);
    WhereValidator visitor = new WhereValidator(eng);
    handler.getQueryPattern().visit(visitor);
    assertTrue(visitor.matching);
}