MonitoringWithJPAKnowledgeServiceTest.java

package org.drools.persistence.monitoring;


import org.drools.compiler.Person;
import org.drools.core.SessionConfiguration;
import org.drools.core.command.impl.CommandBasedStatefulKnowledgeSession;
import org.drools.core.command.impl.FireAllRulesInterceptor;
import org.drools.core.command.impl.LoggingInterceptor;
import org.drools.core.factmodel.traits.Traitable;
import org.drools.core.management.DroolsManagementAgent;
import org.drools.core.time.SessionPseudoClock;
import org.drools.persistence.SingleSessionCommandService;
import org.drools.persistence.util.DroolsPersistenceUtil;
import org.junit.After;
import org.junit.AfterClass;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.junit.runners.Parameterized.Parameters;
import org.kie.api.KieBase;
import org.kie.api.KieServices;
import org.kie.api.builder.KieFileSystem;
import org.kie.api.builder.model.KieModuleModel;
import org.kie.api.builder.model.KieSessionModel.KieSessionType;
import org.kie.api.conf.MBeansOption;
import org.kie.api.definition.type.FactType;
import org.kie.api.definition.type.Position;
import org.kie.api.io.Resource;
import org.kie.api.management.KieContainerMonitorMXBean;
import org.kie.api.management.KieSessionMonitoringMXBean;
import org.kie.api.management.StatelessKieSessionMonitoringMXBean;
import org.kie.api.runtime.Environment;
import org.kie.api.runtime.EnvironmentName;
import org.kie.api.runtime.KieContainer;
import org.kie.api.runtime.KieSession;
import org.kie.api.runtime.KieSessionConfiguration;
import org.kie.api.runtime.StatelessKieSession;
import org.kie.api.runtime.conf.ClockTypeOption;
import org.kie.api.runtime.conf.KieSessionOption;
import org.kie.api.runtime.conf.KieSessionOptionsConfiguration;
import org.kie.api.runtime.rule.FactHandle;
import org.kie.internal.command.CommandFactory;
import org.kie.internal.persistence.jpa.JPAKnowledgeService;
import org.kie.internal.runtime.StatefulKnowledgeSession;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import bitronix.tm.TransactionManagerServices;

import javax.management.JMX;
import javax.management.MBeanServer;
import javax.management.MalformedObjectNameException;
import javax.management.ObjectName;
import javax.naming.InitialContext;
import javax.persistence.Persistence;
import javax.transaction.UserTransaction;
import java.io.Serializable;
import java.lang.management.ManagementFactory;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Properties;
import java.util.UUID;
import java.util.concurrent.atomic.AtomicInteger;

import static org.drools.persistence.util.DroolsPersistenceUtil.DROOLS_PERSISTENCE_UNIT_NAME;
import static org.drools.persistence.util.DroolsPersistenceUtil.OPTIMISTIC_LOCKING;
import static org.drools.persistence.util.DroolsPersistenceUtil.PESSIMISTIC_LOCKING;
import static org.drools.persistence.util.DroolsPersistenceUtil.createEnvironment;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertSame;
import static org.junit.Assert.assertTrue;

@RunWith(Parameterized.class)
public class MonitoringWithJPAKnowledgeServiceTest {

    private static Logger logger = LoggerFactory.getLogger(MonitoringWithJPAKnowledgeServiceTest.class);
    
    private Map<String, Object> context;
    private Environment env;
    private boolean locking;

    @Parameters(name="{0}")
    public static Collection<Object[]> persistence() {
        Object[][] locking = new Object[][] { 
                { OPTIMISTIC_LOCKING }, 
                { PESSIMISTIC_LOCKING } 
                };
        return Arrays.asList(locking);
    };
    
    public MonitoringWithJPAKnowledgeServiceTest(String locking) { 
        this.locking = PESSIMISTIC_LOCKING.equals(locking);
    }
    
    private static String mbeansprop;

    @BeforeClass
    public static void setUpClass() throws Exception {
        mbeansprop = System.getProperty( MBeansOption.PROPERTY_NAME );
        System.setProperty( MBeansOption.PROPERTY_NAME, "enabled" );    
    }

    @AfterClass
    public static void tearDownClass() throws Exception {
        if (mbeansprop != null) {
            System.setProperty( MBeansOption.PROPERTY_NAME, mbeansprop );
        } else {
            System.setProperty( MBeansOption.PROPERTY_NAME, MBeansOption.DISABLED.toString() );
        }
    }
    
    @Before
    public void setUp() throws Exception {
        context = DroolsPersistenceUtil.setupWithPoolingDataSource(DROOLS_PERSISTENCE_UNIT_NAME);
        env = createEnvironment(context);
        if( locking ) { 
            env.set(EnvironmentName.USE_PESSIMISTIC_LOCKING, true);
        }
    }
        
    @After
    public void tearDown() throws Exception {
        DroolsPersistenceUtil.cleanUp(context);
    }


    @Test
    public void testBasic() throws MalformedObjectNameException {
        MBeanServer mbserver = ManagementFactory.getPlatformMBeanServer();
        KieServices ks = KieServices.Factory.get();

        String containerId = "testcontainer-"+System.currentTimeMillis();
        KieContainer kc = ks.newKieClasspathContainer(containerId);
        
        KieContainerMonitorMXBean c1Monitor = JMX.newMXBeanProxy(
                mbserver,
                DroolsManagementAgent.createObjectNameBy(containerId),
                KieContainerMonitorMXBean.class);
        KieBase kb = kc.getKieBase("org.kie.monitoring.kbase1");

        // Use JPAKnowledgeService to create the KieSession 
        StatefulKnowledgeSession statefulKieSession = JPAKnowledgeService.newStatefulKnowledgeSession(kb, null, createEnvironment(context));
        
        System.out.println(statefulKieSession);
        
        KieSessionMonitoringMXBean statefulKieSessionMonitor = JMX.newMXBeanProxy(
                mbserver,
                DroolsManagementAgent.createObjectNameBy(containerId, "org.kie.monitoring.kbase1", KieSessionType.STATEFUL, "org.kie.monitoring.kbase1.ksession1"),
                KieSessionMonitoringMXBean.class);
        
        // There should be 3 mbeans for KieContainer, KieBase and KieSession.
        assertEquals(3, mbserver.queryNames(new ObjectName("org.kie:kcontainerId="+ObjectName.quote(containerId)+",*"), null).size());
        
        // needs to be done separately:
        statefulKieSession.dispose();
        
        kc.dispose();
    }

}