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

Example 71 with WhereValidator

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

the class WhereClauseTest method testBindStringVar.

@ContractTest
public void testBindStringVar() throws ParseException {
    Var v = Var.alloc("foo");
    WhereClause<?> whereClause = getProducer().newInstance();
    AbstractQueryBuilder<?> builder = whereClause.addBind("rand()", v);
    Query query = builder.build();
    ElementBind bind = new ElementBind(v, new E_Random());
    WhereValidator visitor = new WhereValidator(bind);
    query.getQueryPattern().visit(visitor);
    assertTrue(visitor.matching);
    Node three = NodeFactory.createURI("three");
    builder.setVar(v, three);
    query = builder.build();
    visitor = new WhereValidator(new ElementTriplesBlock());
    query.getQueryPattern().visit(visitor);
    assertTrue(visitor.matching);
}

Example 72 with WhereValidator

use of org.apache.jena.arq.querybuilder.WhereValidator 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 73 with WhereValidator

use of org.apache.jena.arq.querybuilder.WhereValidator 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 74 with WhereValidator

use of org.apache.jena.arq.querybuilder.WhereValidator 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 75 with WhereValidator

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