/*
* Copyright 2011 Red Hat Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* 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.drools.persistence.session;
import static org.drools.persistence.util.PersistenceUtil.DROOLS_PERSISTENCE_UNIT_NAME;
import static org.drools.persistence.util.PersistenceUtil.createEnvironment;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.fail;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.HashMap;
import java.util.List;
import org.drools.core.command.impl.CommandBasedStatefulKnowledgeSession;
import org.drools.core.command.impl.GenericCommand;
import org.drools.core.command.impl.KnowledgeCommandContext;
import org.drools.core.common.InternalAgenda;
import org.drools.core.io.impl.ClassPathResource;
import org.drools.persistence.util.PersistenceUtil;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.junit.runners.Parameterized.Parameters;
import org.kie.api.builder.Message;
import org.kie.api.builder.Results;
import org.kie.api.io.ResourceType;
import org.kie.api.runtime.Environment;
import org.kie.api.runtime.EnvironmentName;
import org.kie.api.runtime.KieSession;
import org.kie.internal.KnowledgeBase;
import org.kie.internal.KnowledgeBaseFactory;
import org.kie.internal.builder.KnowledgeBuilder;
import org.kie.internal.builder.KnowledgeBuilderFactory;
import org.kie.internal.command.Context;
import org.kie.internal.persistence.jpa.JPAKnowledgeService;
import org.kie.internal.utils.KieHelper;
@RunWith(Parameterized.class)
public class AgendaRuleFlowGroupsTest {
private HashMap<String, Object> context;
private boolean locking;
@Parameters
public static Collection<Object[]> persistence() {
Object[][] locking = new Object[][] { { false }, { true } };
return Arrays.asList(locking);
};
public AgendaRuleFlowGroupsTest(boolean locking) {
this.locking = true;
}
@Before
public void setUp() throws Exception {
context = PersistenceUtil.setupWithPoolingDataSource(DROOLS_PERSISTENCE_UNIT_NAME);
}
@After
public void tearDown() {
PersistenceUtil.cleanUp(context);
}
@Test
public void testRuleFlowGroupOnly() throws Exception {
CommandBasedStatefulKnowledgeSession ksession = createSession(-1, "ruleflow-groups.drl");
org.drools.core.spi.AgendaGroup[] groups = ((InternalAgenda)stripSession(ksession).getAgenda()).getAgendaGroups();
// only main is available
assertEquals(1, groups.length);
assertEquals("MAIN", groups[0].getName());
int id = ksession.getId();
List<String> list = new ArrayList<String>();
list.add("Test");
ksession.insert(list);
ksession.execute(new ActivateRuleFlowCommand("ruleflow-group"));
ksession.dispose();
ksession = createSession(id, "ruleflow-groups.drl");
groups = ((InternalAgenda)stripSession(ksession).getAgenda()).getAgendaGroups();
// main and rule flow is now on the agenda
assertEquals(2, groups.length);
assertEquals("MAIN", groups[0].getName());
assertEquals("ruleflow-group", groups[1].getName());
}
@Test
public void testAgendaGroupOnly() throws Exception {
CommandBasedStatefulKnowledgeSession ksession = createSession(-1, "agenda-groups.drl");
org.drools.core.spi.AgendaGroup[] groups = ((InternalAgenda)stripSession(ksession).getAgenda()).getAgendaGroups();
// only main is available
assertEquals(1, groups.length);
assertEquals("MAIN", groups[0].getName());
int id = ksession.getId();
List<String> list = new ArrayList<String>();
list.add("Test");
ksession.insert(list);
ksession.execute(new ActivateAgendaGroupCommand("agenda-group"));
ksession.dispose();
ksession = createSession(id, "agenda-groups.drl");
groups = ((InternalAgenda)stripSession(ksession).getAgenda()).getAgendaGroups();
// main and agenda group is now on the agenda
assertEquals(2, groups.length);
assertEquals("MAIN", groups[0].getName());
assertEquals("agenda-group", groups[1].getName());
}
@Test
public void testAgendaGroupAndRuleFlowGroup() throws Exception {
CommandBasedStatefulKnowledgeSession ksession = createSession(-1, "agenda-groups.drl", "ruleflow-groups.drl");
org.drools.core.spi.AgendaGroup[] groups = ((InternalAgenda)stripSession(ksession).getAgenda()).getAgendaGroups();
// only main is available
assertEquals(1, groups.length);
assertEquals("MAIN", groups[0].getName());
int id = ksession.getId();
List<String> list = new ArrayList<String>();
list.add("Test");
ksession.insert(list);
ksession.execute(new ActivateAgendaGroupCommand("agenda-group"));
ksession.execute(new ActivateRuleFlowCommand("ruleflow-group"));
ksession.dispose();
ksession = createSession(id, "agenda-groups.drl", "ruleflow-groups.drl");
groups = ((InternalAgenda)stripSession(ksession).getAgenda()).getAgendaGroups();
// main and agenda group is now on the agenda
assertEquals(3, groups.length);
assertEquals("MAIN", groups[0].getName());
assertEquals("ruleflow-group", groups[1].getName());
assertEquals("agenda-group", groups[2].getName());
}
private KieSession stripSession(KieSession ksession) {
if (ksession instanceof CommandBasedStatefulKnowledgeSession) {
return ((KnowledgeCommandContext)((CommandBasedStatefulKnowledgeSession) ksession).
getCommandService().getContext()).getKieSession();
}
return ksession;
}
private CommandBasedStatefulKnowledgeSession createSession(int id, String...rules) {
KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
for (String rule : rules) {
kbuilder.add( new ClassPathResource(rule), ResourceType.DRL );
}
KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
if ( kbuilder.hasErrors() ) {
fail( kbuilder.getErrors().toString() );
}
kbase.addKnowledgePackages( kbuilder.getKnowledgePackages() );
Environment env = createEnvironment(context);
if( locking ) {
env.set(EnvironmentName.USE_PESSIMISTIC_LOCKING, true);
}
if (id == -1) {
return (CommandBasedStatefulKnowledgeSession) JPAKnowledgeService.newStatefulKnowledgeSession( kbase, null, env );
} else {
return (CommandBasedStatefulKnowledgeSession) JPAKnowledgeService.loadStatefulKnowledgeSession( id, kbase, null, env );
}
}
@SuppressWarnings("serial")
public class ActivateRuleFlowCommand implements GenericCommand<Object> {
private String ruleFlowGroupName;
public ActivateRuleFlowCommand(String ruleFlowGroupName){
this.ruleFlowGroupName = ruleFlowGroupName;
}
public Void execute(Context context) {
KieSession ksession = ((KnowledgeCommandContext) context).getKieSession();
((InternalAgenda) ksession.getAgenda()).activateRuleFlowGroup(ruleFlowGroupName);
return null;
}
}
@SuppressWarnings("serial")
public class ActivateAgendaGroupCommand implements GenericCommand<Object> {
private String agendaGroupName;
public ActivateAgendaGroupCommand(String agendaGroupName){
this.agendaGroupName = agendaGroupName;
}
public Void execute(Context context) {
KieSession ksession = ((KnowledgeCommandContext) context).getKieSession();
((InternalAgenda) ksession.getAgenda()).getAgendaGroup(agendaGroupName).setFocus();
return null;
}
}
@SuppressWarnings("serial")
public class ExceptionCommand implements GenericCommand<Object> {
public Void execute(Context context) {
throw new RuntimeException();
}
}
@Test
public void testConflictingAgendaAndRuleflowGroups() throws Exception {
String drl = "package org.drools.test; " +
"" +
"rule Test " +
" agenda-group 'ag' " +
" ruleflow-group 'rf' " +
"when " +
"then " +
"end ";
KieHelper helper = new KieHelper();
helper.addContent( drl, ResourceType.DRL );
Results res = helper.verify();
System.err.println( res.getMessages() );
assertEquals( 1, res.getMessages( Message.Level.WARNING ).size() );
assertEquals( 0, res.getMessages( Message.Level.ERROR ).size() );
}
}