Examples with Fact org.drools.core.facttemplates.Fact used on opensource projects

Example 1 with Fact

use of org.drools.core.facttemplates.Fact in project drools by kiegroup.

the class FactTemplateTest method testBeta.

@Test
public void testBeta() {
    Result result = new Result();
    Prototype personFact = prototype("org.drools", "Person", field("name", Integer.class), field("age", String.class));
    PrototypeVariable markV = declarationOf(personFact);
    PrototypeVariable olderV = declarationOf(personFact);
    Rule rule = rule("beta").build(pattern(markV).expr("exprA", p -> p.get("name").equals("Mark"), alphaIndexedBy(String.class, Index.ConstraintType.EQUAL, 1, p -> (String) p.get("name"), "Mark"), reactOn("name", "age")), pattern(olderV).expr("exprB", p -> !p.get("name").equals("Mark"), alphaIndexedBy(String.class, Index.ConstraintType.NOT_EQUAL, 1, p -> (String) p.get("name"), "Mark"), reactOn("name")).expr("exprC", markV, (p1, p2) -> (int) p1.get("age") > (int) p2.get("age"), betaIndexedBy(int.class, Index.ConstraintType.GREATER_THAN, 0, p -> (int) p.get("age"), p -> (int) p.get("age")), reactOn("age")), on(olderV, markV).execute((p1, p2) -> result.setValue(p1.get("name") + " is older than " + p2.get("name"))));
    Model model = new ModelImpl().addRule(rule);
    KieBase kieBase = KieBaseBuilder.createKieBaseFromModel(model);
    KieSession ksession = kieBase.newKieSession();
    assertTrue(hasFactTemplateObjectType(ksession, "Person"));
    Fact mark = createMapBasedFact(personFact);
    mark.setFieldValue("name", "Mark");
    mark.setFieldValue("age", 37);
    Fact edson = createMapBasedFact(personFact);
    edson.setFieldValue("name", "Edson");
    edson.setFieldValue("age", 35);
    Fact mario = createMapBasedFact(personFact);
    mario.setFieldValue("name", "Mario");
    mario.setFieldValue("age", 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.setFieldValue("age", 34);
    ksession.update(markFH, mark);
    ksession.fireAllRules();
    assertEquals("Edson is older than Mark", result.getValue());
}

Example 2 with Fact

use of org.drools.core.facttemplates.Fact in project drools by kiegroup.

the class ObjectTypeConfigurationRegistry method getObjectTypeConf.

/**
 * Returns the ObjectTypeConfiguration object for the given object or
 * creates a new one if none is found in the cache
 */
public ObjectTypeConf getObjectTypeConf(EntryPointId entrypoint, Object object) {
    // first see if it's a ClassObjectTypeConf
    Object key;
    if (object instanceof Activation) {
        key = ClassObjectType.Match_ObjectType.getClassType();
    } else if (object instanceof Fact) {
        key = ((Fact) object).getFactTemplate().getName();
    } else {
        key = object.getClass();
    }
    ObjectTypeConf objectTypeConf = this.typeConfMap.get(key);
    // it doesn't exist, so create it.
    if (objectTypeConf == null) {
        if (object instanceof Fact) {
            objectTypeConf = new FactTemplateTypeConf(entrypoint, ((Fact) object).getFactTemplate(), this.kBase);
        } else {
            objectTypeConf = new ClassObjectTypeConf(entrypoint, (Class<?>) key, this.kBase);
        }
        ObjectTypeConf existing = this.typeConfMap.putIfAbsent(key, objectTypeConf);
        if (existing != null) {
            // Raced, take the (now) existing.
            objectTypeConf = existing;
        }
    }
    return objectTypeConf;
}

Example 3 with Fact

use of org.drools.core.facttemplates.Fact in project drools by kiegroup.

the class FactTemplateTest method testAlpha.

@Test
public void testAlpha() {
    Prototype personFact = prototype("org.drools", "Person", field("name", Integer.class), field("age", String.class));
    PrototypeVariable markV = declarationOf(personFact);
    Rule rule = rule("alpha").build(pattern(markV).expr("exprA", p -> p.get("name").equals("Mark"), alphaIndexedBy(String.class, Index.ConstraintType.EQUAL, 1, p -> (String) p.get("name"), "Mark"), reactOn("name", "age")), on(markV).execute((drools, p) -> drools.insert(new Result("Found a " + p.get("age") + " years old Mark"))));
    Model model = new ModelImpl().addRule(rule);
    KieBase kieBase = KieBaseBuilder.createKieBaseFromModel(model);
    KieSession ksession = kieBase.newKieSession();
    assertTrue(hasFactTemplateObjectType(ksession, "Person"));
    Fact mark = createMapBasedFact(personFact);
    mark.setFieldValue("name", "Mark");
    mark.setFieldValue("age", 40);
    ksession.insert(mark);
    ksession.fireAllRules();
    Collection<Result> results = getObjectsIntoList(ksession, Result.class);
    assertThat(results, hasItem(new Result("Found a 40 years old Mark")));
}

Example 4 with Fact

use of org.drools.core.facttemplates.Fact in project drools by kiegroup.

the class FactTemplateTest method testBetaMixingClassAndFact.

@Test
public void testBetaMixingClassAndFact() {
    Prototype personFact = prototype("org.drools", "FactPerson", field("name", Integer.class), field("age", String.class));
    PrototypeVariable markV = declarationOf(personFact);
    Variable<Person> olderV = declarationOf(Person.class);
    Rule rule = rule("beta").build(pattern(markV).expr("exprA", p -> p.get("name").equals("Mark"), alphaIndexedBy(String.class, Index.ConstraintType.EQUAL, 1, p -> (String) p.get("name"), "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() > (int) p2.get("age"), betaIndexedBy(int.class, Index.ConstraintType.GREATER_THAN, 0, p -> p.getAge(), p -> (int) p.get("age")), reactOn("age")), on(olderV, markV).execute((drools, p1, p2) -> drools.insert(new Result(p1.getName() + " is older than " + p2.get("name")))));
    Model model = new ModelImpl().addRule(rule);
    KieBase kieBase = KieBaseBuilder.createKieBaseFromModel(model);
    KieSession ksession = kieBase.newKieSession();
    assertTrue(hasFactTemplateObjectType(ksession, "FactPerson"));
    Fact mark = createMapBasedFact(personFact);
    mark.setFieldValue("name", "Mark");
    mark.setFieldValue("age", 37);
    ksession.insert(mark);
    FactHandle edsonFH = ksession.insert(new Person("Edson", 35));
    FactHandle marioFH = ksession.insert(new Person("Mario", 40));
    ksession.fireAllRules();
    Collection<Result> results = getObjectsIntoList(ksession, Result.class);
    assertThat(results, hasItem(new Result("Mario is older than Mark")));
}

Example 5 with Fact

use of org.drools.core.facttemplates.Fact in project drools by kiegroup.

the class PatternTest method testDeclarationsFactTemplate.

@Test
public void testDeclarationsFactTemplate() throws Exception {
    InternalKnowledgePackage pkg = new KnowledgePackageImpl("org.store");
    final FieldTemplate cheeseName = new FieldTemplateImpl("name", 0, String.class);
    final FieldTemplate cheesePrice = new FieldTemplateImpl("price", 1, Integer.class);
    final FieldTemplate[] fields = new FieldTemplate[] { cheeseName, cheesePrice };
    final FactTemplate cheese = new FactTemplateImpl(pkg, "Cheese", fields);
    final ObjectType type = new FactTemplateObjectType(cheese);
    final Pattern col = new Pattern(0, type, "foo");
    final Declaration dec = col.getDeclaration();
    final InternalReadAccessor ext = dec.getExtractor();
    assertEquals(Fact.class, ext.getExtractToClass());
    final Fact stilton = cheese.createFact(10);
    stilton.setFieldValue("name", "stilton");
    stilton.setFieldValue("price", new Integer(200));
    assertEquals(stilton, dec.getValue(null, stilton));
}