/*
* 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.camel.component;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.StringWriter;
import java.util.Arrays;
import javax.naming.Context;
import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBException;
import javax.xml.bind.Marshaller;
import javax.xml.bind.Unmarshaller;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.model.dataformat.JaxbDataFormat;
import org.drools.KnowledgeBase;
import org.drools.KnowledgeBaseFactoryService;
import org.drools.builder.KnowledgeBuilder;
import org.drools.builder.KnowledgeBuilderFactoryService;
import org.drools.builder.ResourceType;
import org.drools.builder.help.KnowledgeBuilderHelper;
import org.drools.command.impl.GenericCommand;
import org.drools.command.runtime.BatchExecutionCommandImpl;
import org.drools.command.runtime.GetGlobalCommand;
import org.drools.command.runtime.SetGlobalCommand;
import org.drools.command.runtime.rule.FireAllRulesCommand;
import org.drools.command.runtime.rule.InsertObjectCommand;
import org.drools.concurrent.CommandExecutor;
import org.drools.impl.KnowledgeBaseImpl;
import org.drools.io.ResourceFactory;
import org.drools.pipeline.camel.Person;
import org.drools.pipeline.camel.WrappedList;
import org.drools.reteoo.ReteooRuleBase;
import org.drools.runtime.ExecutionResults;
import org.drools.runtime.StatefulKnowledgeSession;
import org.drools.runtime.rule.FactHandle;
import com.sun.tools.xjc.Language;
import com.sun.tools.xjc.Options;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import static org.junit.Assert.*;
public class CamelEndpointWithJaxWrapperCollectionTest extends DroolsCamelTestSupport {
private String handle;
private JAXBContext jaxbContext;
private RouteBuilder routeBuilder;
@Test
public void testWorkingSetGlobalTestSessionSetAndGetGlobal() throws Exception {
BatchExecutionCommandImpl cmd = new BatchExecutionCommandImpl();
cmd.setLookup( "ksession1" );
SetGlobalCommand setGlobal = new SetGlobalCommand( "list",
new WrappedList() );
setGlobal.setOutIdentifier( "list" );
cmd.getCommands().add( setGlobal );
cmd.getCommands().add( new InsertObjectCommand( new Person( "baunax" ) ) );
cmd.getCommands().add( new FireAllRulesCommand() );
cmd.getCommands().add( new GetGlobalCommand( "list" ) );
Marshaller marshaller = getJaxbContext().createMarshaller();
marshaller.setProperty( "jaxb.formatted.output",
true );
StringWriter xml = new StringWriter();
marshaller.marshal( cmd,
xml );
System.out.println( xml.toString() );
byte[] response = (byte[]) template.requestBody( "direct:test-with-session",
xml.toString() );
assertNotNull( response );
System.out.println( "response:\n" + new String( response ) );
Unmarshaller unmarshaller = getJaxbContext().createUnmarshaller();
ExecutionResults res = (ExecutionResults) unmarshaller.unmarshal( new ByteArrayInputStream( response ) );
WrappedList resp = (WrappedList) res.getValue( "list" );
assertNotNull( resp );
assertEquals( resp.size(),
2 );
assertEquals( "baunax",
resp.get( 0 ).getName() );
assertEquals( "Hadrian",
resp.get( 1 ).getName() );
}
@Override
protected void configureDroolsContext(Context jndiContext) {
Person me = new Person();
me.setName( "Hadrian" );
String rule = "";
rule += "package org.drools.pipeline.camel \n";
rule += "import org.drools.pipeline.camel.Person\n";
rule += "import org.drools.pipeline.camel.WrappedList\n";
rule += "global WrappedList list\n";
rule += "rule rule1 \n";
rule += " when \n";
rule += " $p : Person() \n";
rule += " \n";
rule += " then \n";
rule += " System.out.println(\"executed\"); \n";
rule += " list.add($p); \n";
rule += "end\n";
StatefulKnowledgeSession ksession = registerKnowledgeRuntime( "ksession1",
rule );
InsertObjectCommand cmd = new InsertObjectCommand( me );
cmd.setOutIdentifier( "camel-rider" );
cmd.setReturnObject( false );
BatchExecutionCommandImpl script = new BatchExecutionCommandImpl( Arrays.asList( new GenericCommand< ? >[]{cmd} ) );
ExecutionResults results = ksession.execute( script );
handle = ((FactHandle) results.getFactHandle( "camel-rider" )).toExternalForm();
}
@Override
protected StatefulKnowledgeSession registerKnowledgeRuntime(String identifier,
String rule) {
KnowledgeBuilder kbuilder = node.get( KnowledgeBuilderFactoryService.class ).newKnowledgeBuilder();
Options xjcOpts = new Options();
xjcOpts.setSchemaLanguage( Language.XMLSCHEMA );
try {
KnowledgeBuilderHelper.addXsdModel( ResourceFactory.newClassPathResource( "person.xsd",
getClass() ),
kbuilder,
xjcOpts,
"xsd" );
} catch ( IOException e ) {
LOG.error( "Errors while adding xsd model. ",
kbuilder.getErrors() );
}
assertFalse( kbuilder.hasErrors() );
if ( rule != null && rule.length() > 0 ) {
kbuilder.add( ResourceFactory.newByteArrayResource( rule.getBytes() ),
ResourceType.DRL );
if ( kbuilder.hasErrors() ) {
LOG.info( "Errors while adding rule. ",
kbuilder.getErrors() );
}
}
assertFalse( kbuilder.hasErrors() );
KnowledgeBase kbase = node.get( KnowledgeBaseFactoryService.class ).newKnowledgeBase();
kbase.addKnowledgePackages( kbuilder.getKnowledgePackages() );
StatefulKnowledgeSession session = kbase.newStatefulKnowledgeSession();
node.set( identifier,
session );
return session;
}
public JAXBContext getJaxbContext() {
if ( this.jaxbContext == null ) {
JaxbDataFormat def = new JaxbDataFormat();
def.setPrettyPrint( true );
// TODO does not work: def.setContextPath( "org.drools.camel.testdomain:org.drools.pipeline.camel" );
def.setContextPath( "org.drools.pipeline.camel" );
// create a jaxbContext for the test to use outside of Camel.
StatefulKnowledgeSession ksession1 = (StatefulKnowledgeSession) node.get( "ksession1",
CommandExecutor.class );
KnowledgeBase kbase = ksession1.getKnowledgeBase();
ClassLoader originalCl = Thread.currentThread().getContextClassLoader();
try {
Thread.currentThread().setContextClassLoader( ((ReteooRuleBase) ((KnowledgeBaseImpl) kbase).getRuleBase()).getRootClassLoader() );
def = DroolsPolicy.augmentJaxbDataFormatDefinition( def );
org.apache.camel.converter.jaxb.JaxbDataFormat jaxbDataformat = (org.apache.camel.converter.jaxb.JaxbDataFormat) def.getDataFormat( this.context.getRoutes().get( 0 ).getRouteContext() );
jaxbDataformat.setCamelContext(routeBuilder.getContext());
try {
jaxbDataformat.start();
} catch (Exception e) {
throw new IllegalStateException(e);
}
jaxbContext = jaxbDataformat.getContext();
} finally {
Thread.currentThread().setContextClassLoader( originalCl );
}
}
return jaxbContext;
}
@Override
protected RouteBuilder createRouteBuilder() throws Exception {
routeBuilder = new RouteBuilder() {
public void configure() throws Exception {
JaxbDataFormat def = new JaxbDataFormat();
def.setPrettyPrint(true);
// TODO does not work: def.setContextPath( "org.drools.camel.testdomain:org.drools.pipeline.camel" );
def.setContextPath("org.drools.pipeline.camel");
from("direct:test-with-session").policy(new DroolsPolicy()).
unmarshal(def).to("drools:node/ksession1").marshal(def);
}
};
return routeBuilder;
}
}