/**
* Copyright 2010 JBoss 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.osgi.integrationtests;
import java.util.ArrayList;
import java.util.List;
import org.drools.KnowledgeBase;
import org.drools.KnowledgeBaseConfiguration;
import org.drools.KnowledgeBaseFactoryService;
import org.drools.builder.KnowledgeBuilder;
import org.drools.builder.KnowledgeBuilderConfiguration;
import org.drools.builder.KnowledgeBuilderFactoryService;
import org.drools.builder.ResourceType;
import org.drools.io.ResourceFactoryService;
import org.drools.osgi.test.AbstractDroolsSpringDMTest;
import org.drools.runtime.StatefulKnowledgeSession;
import org.drools.util.ServiceRegistry;
import org.osgi.framework.Bundle;
import org.osgi.framework.Constants;
import org.osgi.framework.ServiceReference;
import org.test.Cheese;
import org.test.Person;
import org.test.decisiontable.Dummy;
public class SimpleOsgiTest extends AbstractDroolsSpringDMTest {
protected void onSetUp() throws Exception {
ServiceReference kbuilderRef = bundleContext.getServiceReference( KnowledgeBuilderFactoryService.class.getName() );
Thread.currentThread().setContextClassLoader( bundleContext.getService( kbuilderRef ).getClass().getClassLoader() );
System.out.println( "setup" + bundleContext.getService( kbuilderRef ).getClass().getClassLoader() );
}
protected void onTearDown() throws Exception {
}
public void testOsgiPlatformStarts() throws Exception {
System.out.println( bundleContext.getProperty( Constants.FRAMEWORK_VENDOR ) );
System.out.println( bundleContext.getProperty( Constants.FRAMEWORK_VERSION ) );
System.out.println( bundleContext.getProperty( Constants.FRAMEWORK_EXECUTIONENVIRONMENT ) );
}
public void testOsgiEnvironment() throws Exception {
Bundle[] bundles = bundleContext.getBundles();
System.out.println( "bundles: " );
for ( int i = 0; i < bundles.length; i++ ) {
System.out.print( bundles[i].getSymbolicName() + ":" + bundles[i].getState() );
System.out.print( ", " );
}
System.out.println();
}
public void testCompiler() {
ServiceReference serviceRef = bundleContext.getServiceReference( ServiceRegistry.class.getName() );
ServiceRegistry registry = (ServiceRegistry) bundleContext.getService( serviceRef );
KnowledgeBuilderFactoryService knowledgeBuilderFactoryService = registry.get( KnowledgeBuilderFactoryService.class );
KnowledgeBaseFactoryService knowledgeBaseFactoryService = registry.get( KnowledgeBaseFactoryService.class );
ResourceFactoryService resourceFactoryService = registry.get( ResourceFactoryService.class );
String str = "";
str += "package org.test\n";
str += "import org.test.Person\n";
str += "global java.util.List list\n";
str += "rule rule1\n";
str += "when\n";
str += " $p : Person( age > 30 )\n";
str += "then\n";
str += " list.add($p);\n";
str += "end\n";
KnowledgeBuilderConfiguration kbConf = knowledgeBuilderFactoryService.newKnowledgeBuilderConfiguration( null,
getClass().getClassLoader() );
KnowledgeBuilder kbuilder = knowledgeBuilderFactoryService.newKnowledgeBuilder( kbConf );
ResourceFactoryService resource = resourceFactoryService;
kbuilder.add( resource.newByteArrayResource( str.getBytes() ),
ResourceType.DRL );
if ( kbuilder.hasErrors() ) {
System.out.println( kbuilder.getErrors() );
throw new RuntimeException( kbuilder.getErrors().toString() );
}
KnowledgeBaseConfiguration kbaseConf = knowledgeBaseFactoryService.newKnowledgeBaseConfiguration( null,
getClass().getClassLoader() );
KnowledgeBase kbase = knowledgeBaseFactoryService.newKnowledgeBase( kbaseConf );
kbase.addKnowledgePackages( kbuilder.getKnowledgePackages() );
StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
List<?> list = new ArrayList<Object>();
ksession.setGlobal( "list",
list );
ksession.insert( new Person( "name",
34 ) );
ksession.fireAllRules();
ksession.dispose();
assertEquals( 1,
list.size() );
assertEquals( new Person( "name",
34 ),
list.get( 0 ) );
}
public void testDecisionTable() {
ServiceReference serviceRef = bundleContext.getServiceReference( ServiceRegistry.class.getName() );
ServiceRegistry registry = (ServiceRegistry) bundleContext.getService( serviceRef );
KnowledgeBuilderFactoryService knowledgeBuilderFactoryService = registry.get( KnowledgeBuilderFactoryService.class );
KnowledgeBaseFactoryService knowledgeBaseFactoryService = registry.get( KnowledgeBaseFactoryService.class );
ResourceFactoryService resourceFactoryService = registry.get( ResourceFactoryService.class );
KnowledgeBaseConfiguration kbaseConf = knowledgeBaseFactoryService.newKnowledgeBaseConfiguration( null,
getClass().getClassLoader() );
System.out.println( "test dtables started" );
KnowledgeBuilderConfiguration kbConf = knowledgeBuilderFactoryService.newKnowledgeBuilderConfiguration( null,
getClass().getClassLoader() );
KnowledgeBuilder kbuilder = knowledgeBuilderFactoryService.newKnowledgeBuilder( kbConf );
kbuilder.add( resourceFactoryService.newClassPathResource( "changeset1Test.xml",
Dummy.class ),
ResourceType.CHANGE_SET );
kbaseConf = knowledgeBaseFactoryService.newKnowledgeBaseConfiguration( null,
getClass().getClassLoader() );
KnowledgeBase kbase = knowledgeBaseFactoryService.newKnowledgeBase( kbaseConf );
kbase.addKnowledgePackages( kbuilder.getKnowledgePackages() );
StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
List<?> list = new ArrayList<Object>();
ksession.setGlobal( "list",
list );
ksession.insert( new Cheese( "cheddar",
42 ) );
ksession.insert( new Person( "michael",
"stilton",
25 ) );
ksession.fireAllRules();
ksession.dispose();
assertEquals( 3,
list.size() );
assertEquals( "Young man cheddar",
list.get( 0 ) );
assertEquals( "rule1",
list.get( 1 ) );
assertEquals( "rule2",
list.get( 2 ) );
System.out.println( "test dtables ended" );
}
}