Examples with IdentityPlaceholderResolverStrategy org.drools.core.marshalling.impl.IdentityPlaceholderResolverStrategy used on opensource projects

Example 1 with IdentityPlaceholderResolverStrategy

use of org.drools.core.marshalling.impl.IdentityPlaceholderResolverStrategy in project drools by kiegroup.

the class MarshallingTest method testNot.

@Test
public void testNot() throws Exception {
    String header = "package org.drools.compiler.test;\n";
    header += "import java.util.List;\n";
    header += "import org.drools.compiler.Person\n";
    header += "import org.drools.compiler.Cheese\n";
    header += "global java.util.List list;\n";
    String rule1 = "rule \"not rule test\"\n";
    rule1 += "salience 10\n";
    rule1 += "when\n";
    rule1 += "    Person()\n";
    rule1 += "    not Cheese( price >= 5 )\n";
    rule1 += "then\n";
    rule1 += "    list.add( new Integer( 5 ) );\n";
    rule1 += "end\n";
    KieBase kBase = loadKnowledgeBaseFromString(header + rule1);
    Environment env = EnvironmentFactory.newEnvironment();
    env.set(EnvironmentName.OBJECT_MARSHALLING_STRATEGIES, new ObjectMarshallingStrategy[] { new IdentityPlaceholderResolverStrategy(ClassObjectMarshallingStrategyAcceptor.DEFAULT) });
    KieSession ksession = kBase.newKieSession(null, env);
    List list = new ArrayList();
    ksession.setGlobal("list", list);
    // add a person, no cheese
    ksession = getSerialisedStatefulKnowledgeSession(ksession, true);
    Person bobba = new Person("bobba fet", 50);
    ksession.insert(bobba);
    ksession = getSerialisedStatefulKnowledgeSession(ksession, true);
    ksession.fireAllRules();
    assertEquals(1, list.size());
    // add another person, no cheese
    ksession = getSerialisedStatefulKnowledgeSession(ksession, true);
    Person darth = new Person("darth vadar", 200);
    ksession.insert(darth);
    ksession = getSerialisedStatefulKnowledgeSession(ksession, true);
    ksession.fireAllRules();
    assertEquals(2, list.size());
    // add cheese
    ksession = getSerialisedStatefulKnowledgeSession(ksession, true);
    Cheese stilton = new Cheese("stilton", 5);
    ksession.insert(stilton);
    ksession = getSerialisedStatefulKnowledgeSession(ksession, true);
    ksession.fireAllRules();
    assertEquals(2, list.size());
    // remove cheese
    ksession = getSerialisedStatefulKnowledgeSession(ksession, true);
    ksession.retract(ksession.getFactHandle(stilton));
    ksession = getSerialisedStatefulKnowledgeSession(ksession, true);
    ksession.fireAllRules();
    assertEquals(4, list.size());
    // put 2 cheeses back in
    ksession = getSerialisedStatefulKnowledgeSession(ksession, true);
    ksession.insert(stilton);
    ksession = getSerialisedStatefulKnowledgeSession(ksession, true);
    Cheese brie = new Cheese("brie", 18);
    ksession.insert(brie);
    ksession.fireAllRules();
    assertEquals(4, list.size());
    // now remove a cheese, should be no change
    ksession.retract(ksession.getFactHandle(stilton));
    ksession = getSerialisedStatefulKnowledgeSession(ksession, true);
    ksession.fireAllRules();
    assertEquals(4, list.size());
    // now remove a person, should be no change
    ksession.retract(ksession.getFactHandle(bobba));
    ksession = getSerialisedStatefulKnowledgeSession(ksession, true);
    ksession.fireAllRules();
    assertEquals(4, list.size());
    // removal remaining cheese, should increase by one, as one person left
    ksession.retract(ksession.getFactHandle(brie));
    ksession = getSerialisedStatefulKnowledgeSession(ksession, true);
    ksession.fireAllRules();
    assertEquals(5, list.size());
}

Example 2 with IdentityPlaceholderResolverStrategy

use of org.drools.core.marshalling.impl.IdentityPlaceholderResolverStrategy in project drools by kiegroup.

the class MarshallingTest method testExists.

@Test
public void testExists() throws Exception {
    String header = "package org.drools.compiler.test;\n";
    header += "import java.util.List;\n";
    header += "import org.drools.compiler.Person\n";
    header += "import org.drools.compiler.Cheese\n";
    header += "global java.util.List list;\n";
    String rule1 = "rule \"not rule test\"\n";
    rule1 += "salience 10\n";
    rule1 += "when\n";
    rule1 += "    Person()\n";
    rule1 += "    exists Cheese( price >= 5 )\n";
    rule1 += "then\n";
    rule1 += "    list.add( new Integer( 5 ) );\n";
    rule1 += "end\n";
    KieBase kBase = loadKnowledgeBaseFromString(header + rule1);
    Environment env = EnvironmentFactory.newEnvironment();
    env.set(EnvironmentName.OBJECT_MARSHALLING_STRATEGIES, new ObjectMarshallingStrategy[] { new IdentityPlaceholderResolverStrategy(ClassObjectMarshallingStrategyAcceptor.DEFAULT) });
    KieSession ksession = kBase.newKieSession(null, env);
    List list = new ArrayList();
    ksession.setGlobal("list", list);
    // add a person, no cheese
    ksession = getSerialisedStatefulKnowledgeSession(ksession, true);
    Person bobba = new Person("bobba fet", 50);
    ksession.insert(bobba);
    ksession = getSerialisedStatefulKnowledgeSession(ksession, true);
    ksession.fireAllRules();
    assertEquals(0, list.size());
    // add another person, no cheese
    ksession = getSerialisedStatefulKnowledgeSession(ksession, true);
    Person darth = new Person("darth vadar", 200);
    ksession.insert(darth);
    ksession = getSerialisedStatefulKnowledgeSession(ksession, true);
    ksession.fireAllRules();
    assertEquals(0, list.size());
    // add cheese
    ksession = getSerialisedStatefulKnowledgeSession(ksession, true);
    Cheese stilton = new Cheese("stilton", 5);
    ksession.insert(stilton);
    ksession = getSerialisedStatefulKnowledgeSession(ksession, true);
    ksession.fireAllRules();
    assertEquals(2, list.size());
    // remove cheese
    ksession = getSerialisedStatefulKnowledgeSession(ksession, true);
    ksession.retract(ksession.getFactHandle(stilton));
    ksession = getSerialisedStatefulKnowledgeSession(ksession, true);
    ksession.fireAllRules();
    assertEquals(2, list.size());
    // put 2 cheeses back in
    ksession = getSerialisedStatefulKnowledgeSession(ksession, true);
    ksession.insert(stilton);
    ksession = getSerialisedStatefulKnowledgeSession(ksession, true);
    Cheese brie = new Cheese("brie", 18);
    ksession.insert(brie);
    ksession.fireAllRules();
    assertEquals(4, list.size());
    // now remove a cheese, should be no change
    ksession.retract(ksession.getFactHandle(stilton));
    ksession = getSerialisedStatefulKnowledgeSession(ksession, true);
    ksession.fireAllRules();
    assertEquals(4, list.size());
    // now remove a person, should be no change
    ksession.retract(ksession.getFactHandle(bobba));
    ksession = getSerialisedStatefulKnowledgeSession(ksession, true);
    ksession.fireAllRules();
    assertEquals(4, list.size());
    // removal remaining cheese, no
    ksession.retract(ksession.getFactHandle(brie));
    ksession = getSerialisedStatefulKnowledgeSession(ksession, true);
    ksession.fireAllRules();
    assertEquals(4, list.size());
    // put one cheese back in, with one person should increase by one
    ksession = getSerialisedStatefulKnowledgeSession(ksession, true);
    ksession.insert(stilton);
    ksession.fireAllRules();
    assertEquals(5, list.size());
}

Example 3 with IdentityPlaceholderResolverStrategy

use of org.drools.core.marshalling.impl.IdentityPlaceholderResolverStrategy in project drools by kiegroup.

the class CellTest method testCell.

@Test
public void testCell() throws Exception {
    final KieBase kbase = SerializationHelper.serializeObject(loadKnowledgeBase("evalmodify.drl"));
    final Environment env = EnvironmentFactory.newEnvironment();
    env.set(EnvironmentName.OBJECT_MARSHALLING_STRATEGIES, new ObjectMarshallingStrategy[] { new IdentityPlaceholderResolverStrategy(ClassObjectMarshallingStrategyAcceptor.DEFAULT) });
    KieSession session = createKieSession(kbase, null, env);
    final Cell cell1 = new Cell(9);
    final Cell cell = new Cell(0);
    session.insert(cell1);
    session.insert(cell);
    session = SerializationHelper.getSerialisedStatefulKnowledgeSession(session, true);
    session.fireAllRules();
    assertEquals(9, cell.getValue());
}

Example 4 with IdentityPlaceholderResolverStrategy

use of org.drools.core.marshalling.impl.IdentityPlaceholderResolverStrategy in project drools by kiegroup.

the class DynamicRulesTest method testDynamicNotNode.

@Test(timeout = 10000)
public void testDynamicNotNode() throws Exception {
    InternalKnowledgeBase kbase = (InternalKnowledgeBase) loadKnowledgeBase("test_CollectDynamicRules1.drl");
    kbase = SerializationHelper.serializeObject(kbase);
    Environment env = EnvironmentFactory.newEnvironment();
    env.set(EnvironmentName.OBJECT_MARSHALLING_STRATEGIES, new ObjectMarshallingStrategy[] { new IdentityPlaceholderResolverStrategy(ClassObjectMarshallingStrategyAcceptor.DEFAULT) });
    KieSession ksession = kbase.newKieSession(null, env);
    List<?> results = new ArrayList<Object>();
    ksession.setGlobal("results", results);
    final Cheese a = new Cheese("stilton", 10);
    final Cheese b = new Cheese("stilton", 15);
    final Cheese c = new Cheese("stilton", 20);
    ksession.insert(a);
    ksession.insert(b);
    ksession.insert(c);
    Collection<KiePackage> kpkgs = SerializationHelper.serializeObject(loadKnowledgePackages("test_DynamicNotNode.drl"));
    kbase.addPackages(kpkgs);
    kbase = SerializationHelper.serializeObject(kbase);
    ksession = SerializationHelper.getSerialisedStatefulKnowledgeSession(ksession, false);
    results = (List) ksession.getGlobal("results");
    ksession.fireAllRules();
    assertEquals(0, results.size());
    kbase.removeKiePackage("org.drools.compiler");
    ksession.retract(ksession.getFactHandle(b));
    kpkgs = SerializationHelper.serializeObject(loadKnowledgePackages("test_DynamicNotNode.drl"));
    kbase.addPackages(kpkgs);
    kbase = SerializationHelper.serializeObject(kbase);
    ksession = SerializationHelper.getSerialisedStatefulKnowledgeSession(ksession, false);
    results = (List<?>) ksession.getGlobal("results");
    ksession.fireAllRules();
    assertEquals(1, results.size());
}