Examples with ByteArrayResource org.drools.core.io.impl.ByteArrayResource used on opensource projects

Example 46 with ByteArrayResource

use of org.drools.core.io.impl.ByteArrayResource in project drools by kiegroup.

the class DescrBuilderTest method testDumperFromPkg.

@Test
public void testDumperFromPkg() {
    // DROOLS-109
    PackageDescr pkg = DescrFactory.newPackage().name("org.test").newRule().name("org.test").lhs().and().or().pattern().id("$x", false).type("Integer").constraint("this > 10").end().pattern().id("$x", false).type("Integer").constraint("this < 20").end().end().pattern().type("Integer").constraint("this == $x").constraint("this == 42").end().end().end().rhs("").end().end().getDescr();
    String drl = new DrlDumper().dump(pkg);
    System.out.println(drl);
    KnowledgeBuilderImpl knowledgeBuilder = (KnowledgeBuilderImpl) KnowledgeBuilderFactory.newKnowledgeBuilder();
    knowledgeBuilder.add(new ByteArrayResource(drl.getBytes()), ResourceType.DRL);
    System.err.println(knowledgeBuilder.getErrors());
    assertFalse(knowledgeBuilder.getErrors().toString(), knowledgeBuilder.hasErrors());
    InternalKnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
    kbase.addPackages(knowledgeBuilder.getKnowledgePackages());
    KieSession knowledgeSession = kbase.newKieSession();
    KiePackage rebuiltPkg = knowledgeBuilder.getPackage("org.test");
    org.kie.api.definition.rule.Rule rule = rebuiltPkg.getRules().iterator().next();
    RuleImpl r = ((RuleImpl) rule);
    assertEquals(2, r.getLhs().getChildren().size());
    Iterator<RuleConditionElement> iter = r.getLhs().getChildren().iterator();
    RuleConditionElement arg1 = iter.next();
    assertTrue(arg1 instanceof GroupElement && ((GroupElement) arg1).getType() == GroupElement.Type.OR);
    assertEquals(2, ((GroupElement) arg1).getChildren().size());
    RuleConditionElement arg2 = iter.next();
    assertTrue(arg2 instanceof Pattern);
}

Example 47 with ByteArrayResource

use of org.drools.core.io.impl.ByteArrayResource in project drools by kiegroup.

the class DescrBuilderTest method testAccumulate.

@Test
public void testAccumulate() throws InstantiationException, IllegalAccessException {
    PackageDescrBuilder packBuilder = DescrFactory.newPackage().newGlobal().identifier("list").type(List.class.getName()).end().name("org.drools.compiler").newRule().name("r1").lhs().pattern().id("$tot", true).type(Double.class.getName()).end().accumulate().source().pattern().id("$i", false).type(Integer.class.getName()).end().end().function("sum", "$tot", true, "$i").constraint("$tot > 15").end().end().rhs("list.add( $tot );").end().newRule().name("r2").attribute("dialect", "mvel").lhs().pattern().id("$tot", true).type(Double.class.getName()).end().accumulate().source().pattern().id("$i", false).type(Integer.class.getName()).end().end().function("sum", "$tot", true, "$i").constraint("$tot > 15").end().end().rhs("list.add( $tot * 2 );").end();
    String drl = new DrlDumper().dump(packBuilder.getDescr());
    System.out.println(drl);
    KnowledgeBuilder knowledgeBuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
    knowledgeBuilder.add(new ByteArrayResource(drl.getBytes()), ResourceType.DRL);
    System.err.println(knowledgeBuilder.getErrors());
    assertFalse(knowledgeBuilder.getErrors().toString(), knowledgeBuilder.hasErrors());
    InternalKnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
    kbase.addPackages(knowledgeBuilder.getKnowledgePackages());
    KieSession knowledgeSession = kbase.newKieSession();
    List list = new ArrayList();
    knowledgeSession.setGlobal("list", list);
    knowledgeSession.insert(3);
    knowledgeSession.insert(39);
    knowledgeSession.insert(24.0);
    knowledgeSession.insert(42.0);
    knowledgeSession.fireAllRules();
    assertEquals(Arrays.asList(42.0, 84.0), list);
}