Examples with Relationship org.drools.modelcompiler.domain.Relationship used on opensource projects

Example 6 with Relationship

use of org.drools.modelcompiler.domain.Relationship in project drools by kiegroup.

the class PatternDSLTest method testQueryInvokingQuery.

@Test
public void testQueryInvokingQuery() {
    Variable<Relationship> relV = DSL.declarationOf(Relationship.class);
    Query2Def<String, String> query1Def = query("isRelatedTo1", String.class, String.class);
    Query2Def<String, String> query2Def = query("isRelatedTo2", String.class, String.class);
    Query query2 = query2Def.build(pattern(relV).expr("exprA", query2Def.getArg1(), (r, s) -> r.getStart().equals(s)).expr("exprB", query2Def.getArg2(), (r, e) -> r.getEnd().equals(e)));
    Query query1 = query1Def.build(query2Def.call(query1Def.getArg1(), query1Def.getArg2()));
    Model model = new ModelImpl().addQuery(query2).addQuery(query1);
    KieBase kieBase = KieBaseBuilder.createKieBaseFromModel(model);
    KieSession ksession = kieBase.newKieSession();
    ksession.insert(new Relationship("A", "B"));
    ksession.insert(new Relationship("B", "C"));
    QueryResults results = ksession.getQueryResults("isRelatedTo1", "A", "B");
    assertEquals(1, results.size());
    assertEquals("B", results.iterator().next().get(query1Def.getArg2().getName()));
}