use of org.drools.model.impl.ModelImpl in project drools by kiegroup.
the class FlowTest method testQuery.
@Test
public void testQuery() {
Variable<Person> personV = declarationOf(Person.class, "$p");
Query1Def<Integer> qdef = query("olderThan", Integer.class);
Query query = qdef.build(expr("exprA", personV, qdef.getArg1(), (p, a) -> p.getAge() > a));
Model model = new ModelImpl().addQuery(query);
KieBase kieBase = KieBaseBuilder.createKieBaseFromModel(model);
KieSession ksession = kieBase.newKieSession();
ksession.insert(new Person("Mark", 39));
ksession.insert(new Person("Mario", 41));
QueryResults results = ksession.getQueryResults("olderThan", 40);
assertEquals(1, results.size());
Person p = (Person) results.iterator().next().get("$p");
assertEquals("Mario", p.getName());
}
use of org.drools.model.impl.ModelImpl in project drools by kiegroup.
the class OOPathFlowTest method testOOPathCast.
@Test
public void testOOPathCast() {
Global<List> listG = globalOf(List.class, "defaultpkg", "list");
Variable<Man> manV = declarationOf(Man.class, "$man");
// Drools doc: In this way subsequent constraints can also safely access to properties declared only in that subclass
Variable<InternationalAddress> addressV = declarationOf(InternationalAddress.class, "$italy", reactiveFrom(manV, Man::getAddress));
Rule rule = rule("oopath").build(expr("exprA", addressV, c -> c.getState().equals("Italy")), on(manV, listG).execute((t, l) -> l.add(t.getName())));
Model model = new ModelImpl().addGlobal(listG).addRule(rule);
KieBase kieBase = KieBaseBuilder.createKieBaseFromModel(model);
KieSession ksession = kieBase.newKieSession();
final List<String> list = new ArrayList<>();
ksession.setGlobal("list", list);
final Man bob = new Man("Bob", 40);
bob.setAddress(new InternationalAddress("Via Verdi", "Italy"));
ksession.insert(bob);
ksession.fireAllRules();
Assertions.assertThat(list).containsExactlyInAnyOrder("Bob");
}
use of org.drools.model.impl.ModelImpl in project drools by kiegroup.
the class OOPathFlowTest method testOOPath.
@Test
public void testOOPath() {
Global<List> listG = globalOf(List.class, "defaultpkg", "list");
Variable<Man> manV = declarationOf(Man.class);
Variable<Woman> wifeV = declarationOf(Woman.class, reactiveFrom(manV, Man::getWife));
Variable<Child> childV = declarationOf(Child.class, reactiveFrom(wifeV, Woman::getChildren));
Rule rule = rule("oopath").build(expr("exprA", childV, c -> c.getAge() > 10), on(manV, listG).execute((t, l) -> l.add(t.getName())));
Model model = new ModelImpl().addGlobal(listG).addRule(rule);
KieBase kieBase = KieBaseBuilder.createKieBaseFromModel(model);
KieSession ksession = kieBase.newKieSession();
final List<String> list = new ArrayList<>();
ksession.setGlobal("list", list);
final Woman alice = new Woman("Alice", 38);
final Man bob = new Man("Bob", 40);
final Man carl = new Man("Bob", 42);
bob.setWife(alice);
final Child charlie = new Child("Charles", 12);
final Child debbie = new Child("Debbie", 10);
alice.addChild(charlie);
alice.addChild(debbie);
ksession.insert(bob);
ksession.insert(carl);
ksession.fireAllRules();
Assertions.assertThat(list).containsExactlyInAnyOrder("Bob");
}
use of org.drools.model.impl.ModelImpl in project drools by kiegroup.
the class PatternDSLTest method testBeta.
@Test
public void testBeta() {
Result result = new Result();
Variable<Person> markV = declarationOf(Person.class);
Variable<Person> olderV = declarationOf(Person.class);
Rule rule = rule("beta").build(pattern(markV).expr("exprA", p -> p.getName().equals("Mark"), alphaIndexedBy(String.class, Index.ConstraintType.EQUAL, 1, p -> p.getName(), "Mark"), reactOn("name", "age")), pattern(olderV).expr("exprB", p -> !p.getName().equals("Mark"), alphaIndexedBy(String.class, Index.ConstraintType.NOT_EQUAL, 1, p -> p.getName(), "Mark"), reactOn("name")).expr("exprC", markV, (p1, p2) -> p1.getAge() > p2.getAge(), betaIndexedBy(int.class, Index.ConstraintType.GREATER_THAN, 0, p -> p.getAge(), p -> p.getAge()), reactOn("age")), on(olderV, markV).execute((p1, p2) -> result.setValue(p1.getName() + " is older than " + p2.getName())));
Model model = new ModelImpl().addRule(rule);
KieBase kieBase = KieBaseBuilder.createKieBaseFromModel(model);
KieSession ksession = kieBase.newKieSession();
Person mark = new Person("Mark", 37);
Person edson = new Person("Edson", 35);
Person mario = new Person("Mario", 40);
FactHandle markFH = ksession.insert(mark);
FactHandle edsonFH = ksession.insert(edson);
FactHandle marioFH = ksession.insert(mario);
ksession.fireAllRules();
assertEquals("Mario is older than Mark", result.getValue());
result.setValue(null);
ksession.delete(marioFH);
ksession.fireAllRules();
assertNull(result.getValue());
mark.setAge(34);
ksession.update(markFH, mark, "age");
ksession.fireAllRules();
assertEquals("Edson is older than Mark", result.getValue());
}
use of org.drools.model.impl.ModelImpl in project drools by kiegroup.
the class PatternDSLTest method testReactiveOOPath.
@Test
public void testReactiveOOPath() {
Global<List> listG = globalOf(List.class, "defaultpkg", "list");
Variable<Man> manV = declarationOf(Man.class);
Variable<Woman> wifeV = declarationOf(Woman.class, reactiveFrom(manV, Man::getWife));
Variable<Child> childV = declarationOf(Child.class, reactiveFrom(wifeV, Woman::getChildren));
Variable<Toy> toyV = declarationOf(Toy.class, reactiveFrom(childV, Child::getToys));
Rule rule = rule("oopath").build(pattern(manV), pattern(wifeV), pattern(childV).expr("exprA", c -> c.getAge() > 10), pattern(toyV), on(toyV, listG).execute((t, l) -> l.add(t.getName())));
Model model = new ModelImpl().addGlobal(listG).addRule(rule);
KieBase kieBase = KieBaseBuilder.createKieBaseFromModel(model);
KieSession ksession = kieBase.newKieSession();
final List<String> list = new ArrayList<>();
ksession.setGlobal("list", list);
final Woman alice = new Woman("Alice", 38);
final Man bob = new Man("Bob", 40);
bob.setWife(alice);
final Child charlie = new Child("Charles", 12);
final Child debbie = new Child("Debbie", 10);
alice.addChild(charlie);
alice.addChild(debbie);
charlie.addToy(new Toy("car"));
charlie.addToy(new Toy("ball"));
debbie.addToy(new Toy("doll"));
ksession.insert(bob);
ksession.fireAllRules();
Assertions.assertThat(list).containsExactlyInAnyOrder("car", "ball");
list.clear();
debbie.setAge(11);
ksession.fireAllRules();
Assertions.assertThat(list).containsExactlyInAnyOrder("doll");
}
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