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

Example 61 with WhereValidator

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

the class WhereClauseTest method testAddUnion.

@ContractTest
public void testAddUnion() {
    SelectBuilder sb = new SelectBuilder();
    sb.addPrefix("pfx", "uri").addVar("?x").addWhere("<one>", "<two>", "three");
    WhereClause<?> whereClause = getProducer().newInstance();
    whereClause.getWhereHandler().addWhere(new TriplePath(Triple.ANY));
    AbstractQueryBuilder<?> builder = whereClause.addUnion(sb);
    ElementUnion union = new ElementUnion();
    ElementPathBlock epb = new ElementPathBlock();
    union.addElement(epb);
    epb.addTriple(Triple.ANY);
    Query subQuery = new Query();
    ElementSubQuery esq = new ElementSubQuery(subQuery);
    union.addElement(esq);
    epb = new ElementPathBlock();
    subQuery.setQuerySelectType();
    subQuery.addProjectVars(Arrays.asList("x"));
    subQuery.setQueryPattern(epb);
    Triple t = new Triple(NodeFactory.createURI("one"), NodeFactory.createURI("two"), NodeFactory.createLiteral("three"));
    epb.addTriple(t);
    WhereValidator visitor = new WhereValidator(union);
    Query result = builder.build();
    result.getQueryPattern().visit(visitor);
    assertTrue(visitor.matching);
    assertEquals("uri", result.getPrefixMapping().getNsPrefixURI("pfx"));
}

Example 62 with WhereValidator

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

the class WhereClauseTest method testAddWhereValueRow_array.

@ContractTest
public void testAddWhereValueRow_array() {
    final Var v = Var.alloc("v");
    final Var x = Var.alloc("x");
    WhereClause<?> whereClause = getProducer().newInstance();
    whereClause = (WhereClause<?>) whereClause.addWhereValueVar(v);
    whereClause = (WhereClause<?>) whereClause.addWhereValueVar(x);
    whereClause = (WhereClause<?>) whereClause.addWhereValueRow("<one>", "three");
    AbstractQueryBuilder<?> builder = whereClause.addWhereValueRow("<two>", "four");
    Query query = builder.build();
    ElementData edat = new ElementData();
    edat.add(v);
    edat.add(x);
    setupBindings(edat, x, v);
    WhereValidator visitor = new WhereValidator(edat);
    query.getQueryPattern().visit(visitor);
    assertTrue(visitor.matching);
}

Example 63 with WhereValidator

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

the class WhereClauseTest method testSetVarsInSubQuery.

@ContractTest
public void testSetVarsInSubQuery() {
    Var v = Var.alloc("v");
    SelectBuilder sb = new SelectBuilder();
    sb.addPrefix("pfx", "uri").addWhere("<one>", "<two>", v);
    WhereClause<?> whereClause = getProducer().newInstance();
    AbstractQueryBuilder<?> builder = whereClause.addSubQuery(sb);
    Query subQuery = new Query();
    subQuery.setQuerySelectType();
    subQuery.setQueryResultStar(true);
    ElementSubQuery esq = new ElementSubQuery(subQuery);
    ElementPathBlock epb = new ElementPathBlock();
    subQuery.setQueryPattern(epb);
    Triple t = new Triple(NodeFactory.createURI("one"), NodeFactory.createURI("two"), NodeFactory.createVariable("v"));
    epb.addTriple(t);
    WhereValidator visitor = new WhereValidator(esq);
    Query result = builder.build();
    result.getQueryPattern().visit(visitor);
    assertTrue(visitor.matching);
    builder.setVar(v, NodeFactory.createURI("three"));
    subQuery = new Query();
    subQuery.setQuerySelectType();
    subQuery.setQueryResultStar(true);
    esq = new ElementSubQuery(subQuery);
    epb = new ElementPathBlock();
    subQuery.setQueryPattern(epb);
    t = new Triple(NodeFactory.createURI("one"), NodeFactory.createURI("two"), NodeFactory.createURI("three"));
    epb.addTriple(t);
    visitor = new WhereValidator(esq);
    result = builder.build();
    result.getQueryPattern().visit(visitor);
    assertTrue(visitor.matching);
}

Example 64 with WhereValidator

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

the class WhereClauseTest method testAddWhereWhereClause.

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

Example 65 with WhereValidator

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

the class WhereClauseTest method testAddGraph_triple.

@ContractTest
public void testAddGraph_triple() {
    final Node s = NodeFactory.createURI("s");
    final Node p = NodeFactory.createURI("p");
    final Node o = NodeFactory.createURI("o");
    WhereClause<?> whereClause = getProducer().newInstance();
    AbstractQueryBuilder<?> builder = whereClause.addGraph("<g>", new Triple(s, p, o));
    Query query = builder.build();
    ElementPathBlock epb = new ElementPathBlock();
    ElementNamedGraph eng = new ElementNamedGraph(NodeFactory.createURI("g"), epb);
    epb.addTriplePath(new TriplePath(new Triple(s, p, o)));
    WhereValidator visitor = new WhereValidator(eng);
    query.getQueryPattern().visit(visitor);
    assertTrue(visitor.matching);
}