Examples with Variable org.drools.model.Variable used on opensource projects

Example 61 with Variable

use of org.drools.model.Variable in project drools by kiegroup.

the class PatternDSLTest method testWatch.

@Test
public void testWatch() {
    Variable<Person> var_$p = declarationOf(Person.class, "$p");
    BitMask mask_$p = BitMask.getPatternMask(org.drools.modelcompiler.domain.Person.class, "age");
    Rule rule = rule("R").build(pattern(var_$p).expr("$expr$1$", (_this) -> _this.getAge() < 50, alphaIndexedBy(int.class, Index.ConstraintType.LESS_THAN, 0, _this -> _this.getAge(), 50), reactOn("age")).watch("!age"), on(var_$p).execute((drools, $p) -> {
        $p.setAge($p.getAge() + 1);
        drools.update($p, mask_$p);
    }));
    Model model = new ModelImpl().addRule(rule);
    KieBase kieBase = KieBaseBuilder.createKieBaseFromModel(model);
    KieSession ksession = kieBase.newKieSession();
    Person p = new Person("Mario", 40);
    ksession.insert(p);
    ksession.fireAllRules();
    assertEquals(41, p.getAge());
}

Example 62 with Variable

use of org.drools.model.Variable in project drools by kiegroup.

the class PatternDSLTest method testNot.

@Test
public void testNot() {
    Result result = new Result();
    Variable<Person> oldestV = DSL.declarationOf(Person.class);
    Variable<Person> otherV = DSL.declarationOf(Person.class);
    Rule rule = rule("not").build(pattern(oldestV), not(pattern(otherV).expr("exprA", oldestV, (p1, p2) -> p1.getAge() > p2.getAge())), on(oldestV).execute(p -> result.setValue("Oldest person is " + p.getName())));
    Model model = new ModelImpl().addRule(rule);
    KieBase kieBase = KieBaseBuilder.createKieBaseFromModel(model);
    KieSession ksession = kieBase.newKieSession();
    ksession.insert(new Person("Mark", 37));
    ksession.insert(new Person("Edson", 35));
    ksession.insert(new Person("Mario", 40));
    ksession.fireAllRules();
    assertEquals("Oldest person is Mario", result.getValue());
}

Example 63 with Variable

use of org.drools.model.Variable 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()));
}

Example 64 with Variable

use of org.drools.model.Variable in project drools by kiegroup.

the class AccumulatePatternImpl method findPatternImplSource.

private Pattern findPatternImplSource() {
    if (condition instanceof Pattern) {
        return (Pattern) condition;
    }
    final Variable source = getAccumulateFunctions()[0].getSource();
    for (Condition subCondition : condition.getSubConditions()) {
        if (subCondition instanceof PatternImpl) {
            PatternImpl patternImpl = (PatternImpl) subCondition;
            boolean isSource = patternImpl.getBindings().stream().anyMatch(b -> (b instanceof Binding) && ((Binding) b).getBoundVariable().equals(source));
            if (isSource) {
                return patternImpl;
            }
        }
    }
    return null;
}

Example 65 with Variable

use of org.drools.model.Variable in project drools by kiegroup.

the class KiePackagesBuilder method processConsequence.

private void processConsequence(RuleContext ctx, Consequence consequence, String name) {
    if (name.equals(RuleImpl.DEFAULT_CONSEQUENCE_NAME)) {
        if ("java".equals(consequence.getLanguage())) {
            ctx.getRule().setConsequence(new LambdaConsequence(consequence, ctx));
        } else if ("mvel".equals(consequence.getLanguage())) {
            ctx.getRule().setConsequence(new MVELConsequence(consequence, ctx));
        } else {
            throw new UnsupportedOperationException("Unknown script language for consequence: " + consequence.getLanguage());
        }
    } else {
        ctx.getRule().addNamedConsequence(name, new LambdaConsequence(consequence, ctx));
    }
    Variable[] consequenceVars = consequence.getDeclarations();
    String[] requiredDeclarations = new String[consequenceVars.length];
    for (int i = 0; i < consequenceVars.length; i++) {
        requiredDeclarations[i] = consequenceVars[i].getName();
    }
    ctx.getRule().setRequiredDeclarationsForConsequence(name, requiredDeclarations);
}