Examples with KnowledgeBuilder org.kie.internal.builder.KnowledgeBuilder used on opensource projects

Example 16 with KnowledgeBuilder

use of org.kie.internal.builder.KnowledgeBuilder in project drools by kiegroup.

the class StreamsTest method testEventExpirationValue.

@Test(timeout = 10000)
public void testEventExpirationValue() throws Exception {
    String drl1 = "package org.drools.pkg1\n" + "import org.drools.compiler.StockTick\n" + "declare StockTick\n" + "    @role(event)\n" + "end\n" + "rule X\n" + "when\n" + "    StockTick()\n" + "then\n" + "end\n";
    String drl2 = "package org.drools.pkg2\n" + "import org.drools.compiler.StockTick\n" + "declare StockTick\n" + "    @role(event)\n" + "end\n" + "rule X\n" + "when\n" + "    StockTick()\n" + "then\n" + "end\n";
    KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
    kbuilder.add(ResourceFactory.newByteArrayResource(drl1.getBytes()), ResourceType.DRL);
    kbuilder.add(ResourceFactory.newByteArrayResource(drl2.getBytes()), ResourceType.DRL);
    assertFalse(kbuilder.getErrors().toString(), kbuilder.hasErrors());
    KieBaseConfiguration kconf = KnowledgeBaseFactory.newKnowledgeBaseConfiguration();
    kconf.setOption(EventProcessingOption.STREAM);
    InternalKnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase(kconf);
    kbase.addPackages(kbuilder.getKnowledgePackages());
    List<ObjectTypeNode> otns = ((KnowledgeBaseImpl) kbase).getRete().getObjectTypeNodes();
    ObjectType stot = new ClassObjectType(StockTick.class);
    for (ObjectTypeNode otn : otns) {
        if (otn.getObjectType().isAssignableFrom(stot)) {
            assertEquals(NEVER_EXPIRES, otn.getExpirationOffset());
        }
    }
}

Example 17 with KnowledgeBuilder

use of org.kie.internal.builder.KnowledgeBuilder in project drools by kiegroup.

the class StreamsTest method loadKnowledgeBase.

private KieBase loadKnowledgeBase(final String fileName, KieBaseConfiguration kconf) throws IOException, DroolsParserException, Exception {
    KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
    kbuilder.add(ResourceFactory.newClassPathResource(fileName, getClass()), ResourceType.DRL);
    if (kbuilder.hasErrors()) {
        System.out.println(kbuilder.getErrors());
        return null;
    }
    InternalKnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase(kconf);
    kbase.addPackages(kbuilder.getKnowledgePackages());
    return SerializationHelper.serializeObject(kbase);
// return kbase;
}

Example 18 with KnowledgeBuilder

use of org.kie.internal.builder.KnowledgeBuilder in project drools by kiegroup.

the class SegmentMemoryPrototypeTest method testSegmentMemoryPrototype.

@Test
public void testSegmentMemoryPrototype() throws Exception {
    KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
    kbuilder.add(ResourceFactory.newByteArrayResource(DRL.getBytes()), ResourceType.DRL);
    InternalKnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
    kbase.addPackages(kbuilder.getKnowledgePackages());
    KieSession ksession = kbase.newKieSession();
    checkKieSession(ksession);
    // Create a 2nd KieSession (that will use segment memory prototype) and check that it works as the former one
    KieSession ksession2 = kbase.newKieSession();
    checkKieSession(ksession2);
}

Example 19 with KnowledgeBuilder

use of org.kie.internal.builder.KnowledgeBuilder in project drools by kiegroup.

the class SegmentMemoryPrototypeTest method testSessionCache.

@Test
public void testSessionCache() throws Exception {
    KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
    kbuilder.add(ResourceFactory.newByteArrayResource(DRL.getBytes()), ResourceType.DRL);
    InternalKnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
    kbase.addPackages(kbuilder.getKnowledgePackages());
    StatefulKnowledgeSessionImpl ksession = (StatefulKnowledgeSessionImpl) kbase.newKieSession();
    checkKieSession(ksession);
    ksession.dispose();
    ksession.reset();
    checkKieSession(ksession);
}

Example 20 with KnowledgeBuilder

use of org.kie.internal.builder.KnowledgeBuilder in project drools by kiegroup.

the class SerializedPackageMergeTest method testBuildAndSerializePackagesWithSamePackageName.

@Test
public void testBuildAndSerializePackagesWithSamePackageName() throws IOException, ClassNotFoundException {
    // RHBRMS-2773
    String str1 = "package com.sample\n" + "import org.drools.compiler.Person\n" + "global java.util.List list\n" + "rule R1 when\n" + "  $p : Person( name == \"John\" )\n" + "then\n" + "  list.add($p);" + "end\n";
    String str2 = "package com.sample\n" + "import org.drools.compiler.Person\n" + "global java.util.List list\n" + "rule R2 when\n" + "  $p : Person( name == \"Paul\" )\n" + "then\n" + "  list.add($p);" + "end\n";
    // Create 2 knowledgePackages separately (but these rules have the same package name)
    KnowledgeBuilder builder1 = KnowledgeBuilderFactory.newKnowledgeBuilder();
    builder1.add(ResourceFactory.newByteArrayResource(str1.getBytes()), ResourceType.DRL);
    Collection<KiePackage> knowledgePackages1 = builder1.getKnowledgePackages();
    KnowledgeBuilder builder2 = KnowledgeBuilderFactory.newKnowledgeBuilder();
    builder2.add(ResourceFactory.newByteArrayResource(str2.getBytes()), ResourceType.DRL);
    Collection<KiePackage> knowledgePackages2 = builder2.getKnowledgePackages();
    // Combine the knowledgePackages
    InternalKnowledgeBase knowledgeBase1 = KnowledgeBaseFactory.newKnowledgeBase();
    knowledgeBase1.addPackages(knowledgePackages1);
    knowledgeBase1.addPackages(knowledgePackages2);
    Collection<KiePackage> knowledgePackagesCombined = knowledgeBase1.getKiePackages();
    // serialize
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    ObjectOutputStream out = new DroolsObjectOutputStream(baos);
    out.writeObject(knowledgePackagesCombined);
    out.flush();
    out.close();
    // deserialize
    ObjectInputStream in = new DroolsObjectInputStream(new ByteArrayInputStream(baos.toByteArray()));
    Collection<KiePackage> deserializedPackages = (Collection<KiePackage>) in.readObject();
    // Use the deserialized knowledgePackages
    InternalKnowledgeBase knowledgeBase2 = KnowledgeBaseFactory.newKnowledgeBase();
    knowledgeBase2.addPackages(deserializedPackages);
    KieSession ksession = knowledgeBase2.newKieSession();
    List<String> list = new ArrayList<String>();
    ksession.setGlobal("list", list);
    ksession.insert(new org.drools.compiler.Person("John"));
    ksession.insert(new org.drools.compiler.Person("Paul"));
    ksession.fireAllRules();
    assertEquals(2, list.size());
    ksession.dispose();
}