Examples with RuleUnit org.kie.api.runtime.rule.RuleUnit used on opensource projects

Example 6 with RuleUnit

use of org.kie.api.runtime.rule.RuleUnit in project drools by kiegroup.

the class RuleContext method findUnitClass.

private void findUnitClass() {
    if (descr == null) {
        return;
    }
    String unitName = null;
    AnnotationDescr unitAnn = descr.getAnnotation("Unit");
    if (unitAnn != null) {
        unitName = (String) unitAnn.getValue();
        unitName = unitName.substring(0, unitName.length() - ".class".length());
    } else if (descr.getUnit() != null) {
        unitName = descr.getUnit().getTarget();
    }
    if (unitName != null) {
        try {
            Class<? extends RuleUnit> unitClass = (Class<? extends RuleUnit>) getTypeResolver().resolveType(unitName);
            ruleUnitDescr = ruleUnitDescrCache.computeIfAbsent(unitClass, RuleUnitDescr::new);
        } catch (ClassNotFoundException e) {
            throw new RuntimeException(e);
        }
    }
}

Example 7 with RuleUnit

use of org.kie.api.runtime.rule.RuleUnit in project drools by kiegroup.

the class RuleUnitGuardSystem method fireActiveUnits.

private int fireActiveUnits(RuleUnit ruleUnit, Set<RuleUnit> firedUnits) {
    Set<Guard> guards = guardsByActivatingUnit.get(ruleUnit);
    if (guards == null) {
        return 0;
    }
    int result = 0;
    while (true) {
        Optional<RuleUnit> unit = guards.stream().map(Guard::getGuardedUnit).filter(u -> !firedUnits.contains(u)).findFirst();
        if (!unit.isPresent()) {
            break;
        }
        RuleUnit firingUnit = unit.get();
        result += session.internalExecuteUnit(firingUnit);
        firedUnits.add(firingUnit);
        result += fireActiveUnits(firingUnit, firedUnits);
    }
    return result;
}

Example 8 with RuleUnit

use of org.kie.api.runtime.rule.RuleUnit in project drools by kiegroup.

the class RuleUnitTest method testRuleUnitWithVarBinding.

@Test
public void testRuleUnitWithVarBinding() {
    Variable<AdultUnit> unit = declarationOf(AdultUnit.class);
    Variable<Person> adult = declarationOf(Person.class, unitData("persons"));
    Rule rule = rule("org.drools.retebuilder", "Adult").unit(RuleUnitTest.AdultUnit.class).build(expr("$expr$1$", adult, unit, (p, u) -> p.getAge() > u.getAdultAge()), on(adult, unitData(List.class, "results")).execute((p, r) -> {
        System.out.println(p.getName());
        r.add(p.getName());
    }));
    Model model = new ModelImpl().addRule(rule);
    KieBase kieBase = KieBaseBuilder.createKieBaseFromModel(model);
    RuleUnitExecutor executor = RuleUnitExecutor.create().bind(kieBase);
    executor.newDataSource("persons", new Person("Mario", 43), new Person("Marilena", 44), new Person("Sofia", 5));
    AdultUnit ruleUnit = new AdultUnit();
    executor.run(ruleUnit);
    assertTrue(ruleUnit.getResults().containsAll(asList("Mario", "Marilena")));
}

Example 9 with RuleUnit

use of org.kie.api.runtime.rule.RuleUnit in project drools by kiegroup.

the class UnitCompilationTest method testMultipleConsequences.

@Test
public void testMultipleConsequences() throws Exception {
    CompiledUnit unit = DrlxCompiler.compileFolders("src/test/resources/model", "src/test/resources/unit3");
    RuleUnitExecutor executor = unit.createExecutor();
    Constructor<?> personConstructor = unit.getConstructorFor("org.model.Person", String.class, int.class);
    Constructor<?> childConstructor = unit.getConstructorFor("org.model.Child", String.class, int.class, int.class);
    DataSource<?> persons = executor.newDataSource("persons", personConstructor.newInstance("Mario", 43), personConstructor.newInstance("Marilena", 44), childConstructor.newInstance("Sofia", 5, 10));
    RuleUnit ruleUnit = unit.getOrCreateRuleUnit();
    assertEquals(3, executor.run(ruleUnit));
}

Example 10 with RuleUnit

use of org.kie.api.runtime.rule.RuleUnit in project drools by kiegroup.

the class UnitCompilationTest method testFolderUnit.

@Test
public void testFolderUnit() throws Exception {
    CompiledUnit unit = DrlxCompiler.compileFolders("src/test/resources/model", "src/test/resources/unit2");
    RuleUnitExecutor executor = unit.createExecutor();
    Constructor<?> personConstructor = unit.getConstructorFor("org.model.Person", String.class, int.class);
    Constructor<?> childConstructor = unit.getConstructorFor("org.model.Child", String.class, int.class, int.class);
    DataSource<?> persons = executor.newDataSource("persons", personConstructor.newInstance("Mario", 43), personConstructor.newInstance("Marilena", 44), childConstructor.newInstance("Sofia", 5, 10));
    RuleUnit ruleUnit = unit.getOrCreateRuleUnit();
    assertEquals(1, executor.run(ruleUnit));
}