diff --git a/libraries2/pom.xml b/libraries2/pom.xml new file mode 100644 index 0000000000..84f19b359d --- /dev/null +++ b/libraries2/pom.xml @@ -0,0 +1,43 @@ + + + + 4.0.0 + libraries2 + libraries2 + + + com.baeldung + parent-modules + 1.0.0-SNAPSHOT + + + + 6.0.0.Final + + + + + jboss-public-repository-group + JBoss Public Repository Group + http://repository.jboss.org/nexus/content/groups/public/ + + true + never + + + true + daily + + + + + + + org.jbpm + jbpm-test + ${jbpm.version} + + + diff --git a/libraries2/src/main/java/com/baeldung/jbpm/WorkflowProcessMain.java b/libraries2/src/main/java/com/baeldung/jbpm/WorkflowProcessMain.java new file mode 100644 index 0000000000..8e54ff892e --- /dev/null +++ b/libraries2/src/main/java/com/baeldung/jbpm/WorkflowProcessMain.java @@ -0,0 +1,19 @@ +package com.baeldung.jbpm; + +import org.kie.api.runtime.manager.Context; +import org.kie.internal.runtime.manager.context.EmptyContext; + +import com.baeldung.jbpm.engine.WorkflowEngine; +import com.baeldung.jbpm.engine.WorkflowEngineImpl; + +public class WorkflowProcessMain { + + public static void main(String[] args) { + WorkflowEngine workflowEngine = new WorkflowEngineImpl(); + String processId = "com.baeldung.bpmn.helloworld"; + String kbaseId = "kbase"; + String persistenceUnit = "org.jbpm.persistence.jpa"; + Context initialContext = EmptyContext.get(); + workflowEngine.runjBPMEngineForProcess(processId, initialContext, kbaseId, persistenceUnit); + } +} \ No newline at end of file diff --git a/libraries2/src/main/java/com/baeldung/jbpm/engine/WorkflowEngine.java b/libraries2/src/main/java/com/baeldung/jbpm/engine/WorkflowEngine.java new file mode 100644 index 0000000000..b47a4cc8c1 --- /dev/null +++ b/libraries2/src/main/java/com/baeldung/jbpm/engine/WorkflowEngine.java @@ -0,0 +1,10 @@ +package com.baeldung.jbpm.engine; + +import org.kie.api.runtime.manager.Context; +import org.kie.api.runtime.process.ProcessInstance; + +public interface WorkflowEngine { + + public ProcessInstance runjBPMEngineForProcess(String processId, Context initialContext, String kbaseId, String persistenceUnit); + +} diff --git a/libraries2/src/main/java/com/baeldung/jbpm/engine/WorkflowEngineImpl.java b/libraries2/src/main/java/com/baeldung/jbpm/engine/WorkflowEngineImpl.java new file mode 100644 index 0000000000..7871241bef --- /dev/null +++ b/libraries2/src/main/java/com/baeldung/jbpm/engine/WorkflowEngineImpl.java @@ -0,0 +1,66 @@ +package com.baeldung.jbpm.engine; + +import javax.persistence.EntityManagerFactory; +import javax.persistence.Persistence; + +import org.jbpm.test.JBPMHelper; +import org.kie.api.KieBase; +import org.kie.api.KieServices; +import org.kie.api.runtime.KieContainer; +import org.kie.api.runtime.KieSession; +import org.kie.api.runtime.manager.Context; +import org.kie.api.runtime.manager.RuntimeEngine; +import org.kie.api.runtime.manager.RuntimeEnvironment; +import org.kie.api.runtime.manager.RuntimeEnvironmentBuilder; +import org.kie.api.runtime.manager.RuntimeManager; +import org.kie.api.runtime.manager.RuntimeManagerFactory; +import org.kie.api.runtime.process.ProcessInstance; + +public class WorkflowEngineImpl implements WorkflowEngine { + + @Override + public ProcessInstance runjBPMEngineForProcess(String processId, Context initialContext, String kbaseId, String persistenceUnit) { + RuntimeManager manager = null; + RuntimeEngine engine = null; + ProcessInstance pInstance = null; + try { + KieBase kbase = getKieBase(kbaseId); + manager = createJBPMRuntimeManager(kbase, persistenceUnit); + engine = manager.getRuntimeEngine(initialContext); + pInstance = executeProcessInstance(processId, manager, initialContext, engine); + } catch (Exception ex) { + ex.printStackTrace(); + } finally { + if (manager != null && engine != null) + manager.disposeRuntimeEngine(engine); + System.exit(0); + } + return pInstance; + } + + private ProcessInstance executeProcessInstance(String processId, RuntimeManager manager, Context initialContext, RuntimeEngine engine) { + KieSession ksession = engine.getKieSession(); + ProcessInstance pInstance = ksession.startProcess(processId); + return pInstance; + } + + private KieBase getKieBase(String kbaseId) { + KieServices ks = KieServices.Factory.get(); + KieContainer kContainer = ks.getKieClasspathContainer(); + KieBase kbase = kContainer.getKieBase(kbaseId); + return kbase; + } + + private RuntimeManager createJBPMRuntimeManager(KieBase kbase, String persistenceUnit) { + JBPMHelper.startH2Server(); + JBPMHelper.setupDataSource(); + EntityManagerFactory emf = Persistence.createEntityManagerFactory(persistenceUnit); + RuntimeEnvironmentBuilder runtimeEnvironmentBuilder = RuntimeEnvironmentBuilder.Factory.get() + .newDefaultBuilder(); + RuntimeEnvironment runtimeEnvironment = runtimeEnvironmentBuilder.entityManagerFactory(emf) + .knowledgeBase(kbase) + .get(); + return RuntimeManagerFactory.Factory.get() + .newSingletonRuntimeManager(runtimeEnvironment); + } +} diff --git a/libraries2/src/main/resources/META-INF/kmodule.xml b/libraries2/src/main/resources/META-INF/kmodule.xml new file mode 100644 index 0000000000..1b9ce1ce71 --- /dev/null +++ b/libraries2/src/main/resources/META-INF/kmodule.xml @@ -0,0 +1,3 @@ + + + \ No newline at end of file diff --git a/libraries2/src/main/resources/com/baeldung/process/helloworld.bpmn b/libraries2/src/main/resources/com/baeldung/process/helloworld.bpmn new file mode 100644 index 0000000000..30813b2057 --- /dev/null +++ b/libraries2/src/main/resources/com/baeldung/process/helloworld.bpmn @@ -0,0 +1,54 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/libraries2/src/test/java/com/baeldung/jbpm/WorkflowEngineIntegrationTest.java b/libraries2/src/test/java/com/baeldung/jbpm/WorkflowEngineIntegrationTest.java new file mode 100644 index 0000000000..ded46d7639 --- /dev/null +++ b/libraries2/src/test/java/com/baeldung/jbpm/WorkflowEngineIntegrationTest.java @@ -0,0 +1,52 @@ +package com.baeldung.jbpm; + +import org.jbpm.test.JbpmJUnitBaseTestCase; +import org.junit.After; +import org.junit.Before; +import org.junit.Test; +import org.kie.api.runtime.KieSession; +import org.kie.api.runtime.manager.RuntimeEngine; +import org.kie.api.runtime.manager.RuntimeManager; +import org.kie.api.runtime.process.ProcessInstance; +import org.kie.internal.runtime.manager.context.ProcessInstanceIdContext; + +public class WorkflowEngineIntegrationTest extends JbpmJUnitBaseTestCase { + + private String[] triggeredNodesArray = { "Start", "HelloWorld", "End" }; + private RuntimeManager manager = null; + private RuntimeEngine runtimeEngine = null; + private KieSession ksession = null; + private ProcessInstance processInstance = null; + + @Before + public void setup() { + manager = createRuntimeManager(Strategy.SINGLETON, "manager", "com/baeldung/process/helloworld.bpmn"); + runtimeEngine = getRuntimeEngine(ProcessInstanceIdContext.get()); + ksession = runtimeEngine.getKieSession(); + processInstance = ksession.startProcess("com.baeldung.bpmn.helloworld"); + } + + @After + public void cleanup() { + manager.disposeRuntimeEngine(runtimeEngine); + } + + @Test + public void givenProcessInstance_whenExecutionCompleted_thenVerifyNodesExecutionOrder() { + assertNodeTriggered(processInstance.getId(), triggeredNodesArray); + } + + @Test + public void givenProcessInstance_whenExecutionCompleted_thenVerifyKnowledgeSessionId() { + int ksessionID = ksession.getId(); + runtimeEngine = getRuntimeEngine(ProcessInstanceIdContext.get(processInstance.getId())); + ksession = runtimeEngine.getKieSession(); + assertEquals(ksessionID, ksession.getId()); + } + + @Test + public void givenProcessInstance_whenExecutionCompleted_thenVerifyProcessInstanceStatus() { + assertProcessInstanceCompleted(processInstance.getId(), ksession); + assertTrue("ProcessInstance completed with status 2", processInstance.getState() == 2); + } +} diff --git a/pom.xml b/pom.xml index a832d6156f..e785f1461f 100644 --- a/pom.xml +++ b/pom.xml @@ -480,6 +480,7 @@ libraries + libraries2 libraries-data libraries-apache-commons libraries-security