/*
* Copyright 2017 Red Hat, Inc. and/or its affiliates.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jbpm.process.workitem.bpmn2;
import static org.junit.Assert.assertEquals;
import java.io.File;
import java.math.BigDecimal;
import java.nio.file.Files;
import java.util.HashMap;
import java.util.Map;
import java.util.Properties;
import java.util.UUID;
import org.apache.commons.io.IOUtils;
import org.drools.compiler.compiler.BPMN2ProcessFactory;
import org.drools.compiler.compiler.ProcessBuilderFactory;
import org.drools.compiler.kie.builder.impl.InternalKieModule;
import org.drools.core.impl.EnvironmentFactory;
import org.drools.core.impl.KnowledgeBaseFactoryServiceImpl;
import org.drools.core.marshalling.impl.ProcessMarshallerFactory;
import org.drools.core.runtime.process.ProcessRuntimeFactory;
import org.jbpm.bpmn2.BPMN2ProcessProviderImpl;
import org.jbpm.marshalling.impl.ProcessMarshallerFactoryServiceImpl;
import org.jbpm.process.builder.ProcessBuilderFactoryServiceImpl;
import org.jbpm.process.instance.ProcessRuntimeFactoryServiceImpl;
import org.jbpm.process.workitem.bpmn2.objects.Person;
import org.junit.Before;
import org.junit.Test;
import org.kie.api.KieBase;
import org.kie.api.KieServices;
import org.kie.api.builder.KieBuilder;
import org.kie.api.builder.KieFileSystem;
import org.kie.api.builder.Message;
import org.kie.api.builder.ReleaseId;
import org.kie.api.builder.Results;
import org.kie.api.io.Resource;
import org.kie.api.io.ResourceType;
import org.kie.api.runtime.KieSession;
import org.kie.api.runtime.KieSessionConfiguration;
import org.kie.api.runtime.process.ProcessInstance;
import org.kie.api.runtime.process.WorkflowProcessInstance;
import org.kie.internal.KnowledgeBaseFactory;
import org.kie.internal.builder.InternalKieBuilder;
import org.kie.internal.builder.KnowledgeBuilder;
import org.kie.internal.builder.KnowledgeBuilderFactory;
import org.kie.internal.io.ResourceFactory;
import org.kie.scanner.MavenRepository;
public class BusinessRuleTaskTest {
private static final String GROUP_ID = "org.jbpm";
private static final String ARTIFACT_ID = "test-kjar";
private static final String VERSION = "1.0-SNAPSHOT";
private KieServices ks = KieServices.Factory.get();
@Before
public void setup() throws Exception {
createAndDeployJar(ks,
ks.newReleaseId(GROUP_ID, ARTIFACT_ID, VERSION),
ks.getResources().newClassPathResource("businessRule.drl"),
ks.getResources().newClassPathResource("0020-vacation-days.dmn"));
}
@Test
public void testBusinessRuleTaskProcess() throws Exception {
KnowledgeBaseFactory.setKnowledgeBaseServiceFactory(new KnowledgeBaseFactoryServiceImpl());
KieBase kbase = readKnowledgeBase();
KieSession ksession = createSession(kbase);
BusinessRuleTaskHandler handler = new BusinessRuleTaskHandler(GROUP_ID, ARTIFACT_ID, VERSION);
ksession.getWorkItemManager().registerWorkItemHandler("BusinessRuleTask", handler);
Map<String, Object> params = new HashMap<String, Object>();
params.put("person", new Person("john"));
WorkflowProcessInstance processInstance = (WorkflowProcessInstance) ksession.startProcess("evaluation.ruletask", params);
Person variable = (Person) processInstance.getVariable("person");
assertEquals("john", variable.getName());
assertEquals(35, variable.getAge().intValue());
assertEquals(ProcessInstance.STATE_COMPLETED, processInstance.getState());
}
@Test
public void testDecisionTaskProcess() throws Exception {
KnowledgeBaseFactory.setKnowledgeBaseServiceFactory(new KnowledgeBaseFactoryServiceImpl());
KieBase kbase = readKnowledgeBase();
KieSession ksession = createSession(kbase);
BusinessRuleTaskHandler handler = new BusinessRuleTaskHandler(GROUP_ID, ARTIFACT_ID, VERSION);
ksession.getWorkItemManager().registerWorkItemHandler("DecisionTask", handler);
Map<String, Object> params = new HashMap<String, Object>();
params.put("age", 16);
params.put("yearsOfService", 1);
WorkflowProcessInstance processInstance = (WorkflowProcessInstance) ksession.startProcess("BPMN2-BusinessRuleTask", params);
BigDecimal variable = (BigDecimal) processInstance.getVariable("vacationDays");
assertEquals(27, variable.intValue());
assertEquals(ProcessInstance.STATE_COMPLETED, processInstance.getState());
}
private static KieBase readKnowledgeBase() throws Exception {
ProcessBuilderFactory.setProcessBuilderFactoryService(new ProcessBuilderFactoryServiceImpl());
ProcessMarshallerFactory.setProcessMarshallerFactoryService(new ProcessMarshallerFactoryServiceImpl());
ProcessRuntimeFactory.setProcessRuntimeFactoryService(new ProcessRuntimeFactoryServiceImpl());
BPMN2ProcessFactory.setBPMN2ProcessProvider(new BPMN2ProcessProviderImpl());
KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
kbuilder.add(ResourceFactory.newClassPathResource("businessRuleTaskProcess.bpmn2"), ResourceType.BPMN2);
kbuilder.add(ResourceFactory.newClassPathResource("businessRuleTaskDMN.bpmn2"), ResourceType.BPMN2);
return kbuilder.newKnowledgeBase();
}
private static KieSession createSession(KieBase kbase) {
Properties properties = new Properties();
properties.put("drools.processInstanceManagerFactory", "org.jbpm.process.instance.impl.DefaultProcessInstanceManagerFactory");
properties.put("drools.processSignalManagerFactory", "org.jbpm.process.instance.event.DefaultSignalManagerFactory");
KieSessionConfiguration config = KnowledgeBaseFactory.newKnowledgeSessionConfiguration(properties);
return kbase.newKieSession(config, EnvironmentFactory.newEnvironment());
}
private byte[] createAndDeployJar(KieServices ks, ReleaseId releaseId, Resource... resources) throws Exception {
KieFileSystem kfs = ks.newKieFileSystem().generateAndWritePomXML(releaseId);
for (int i = 0; i < resources.length; i++) {
if (resources[i] != null) {
kfs.write(resources[i]);
}
}
KieBuilder kieBuilder = ks.newKieBuilder(kfs);
((InternalKieBuilder) kieBuilder).buildAll(o -> true);
Results results = kieBuilder.getResults();
if (results.hasMessages(Message.Level.ERROR)) {
throw new IllegalStateException(results.getMessages(Message.Level.ERROR).toString());
}
InternalKieModule kieModule = (InternalKieModule) ks.getRepository().getKieModule(releaseId);
byte[] pomXmlContent = IOUtils.toByteArray(kieModule.getPomAsStream());
File pom = new File("target", UUID.randomUUID().toString());
Files.write(pom.toPath(), pomXmlContent);
MavenRepository.getMavenRepository().installArtifact(releaseId, kieModule, pom);
byte[] jar = kieModule.getBytes();
return jar;
}
}