/*
* 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.runtime.pipeline.impl;
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.xml.transform.stream.StreamSource;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import static org.junit.Assert.*;
import org.drools.KnowledgeBase;
import org.drools.KnowledgeBaseFactory;
import org.drools.builder.KnowledgeBuilder;
import org.drools.builder.KnowledgeBuilderFactory;
import org.drools.builder.ResourceType;
import org.drools.common.InternalFactHandle;
import org.drools.io.ResourceFactory;
import org.drools.runtime.StatelessKnowledgeSession;
import org.drools.runtime.help.BatchExecutionHelper;
import org.drools.runtime.pipeline.Action;
import org.drools.runtime.pipeline.Expression;
import org.drools.runtime.pipeline.Join;
import org.drools.runtime.pipeline.KnowledgeRuntimeCommand;
import org.drools.runtime.pipeline.Pipeline;
import org.drools.runtime.pipeline.PipelineFactory;
import org.drools.runtime.pipeline.Receiver;
import org.drools.runtime.pipeline.ResultHandler;
import org.drools.runtime.pipeline.Splitter;
import org.drools.runtime.pipeline.Transformer;
import org.drools.runtime.rule.FactHandle;
import org.milyn.Smooks;
import org.milyn.io.StreamUtils;
public class SmookStatelessSessionTest {
@Test
public void testSmooksDirectRoot() throws Exception {
KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
kbuilder.add( ResourceFactory.newClassPathResource( "test_SmooksDirectRoot.drl",
SmookStatefulSessionTest.class ),
ResourceType.DRL );
assertFalse( kbuilder.hasErrors() );
KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
kbase.addKnowledgePackages( kbuilder.getKnowledgePackages() );
StatelessKnowledgeSession ksession = kbase.newStatelessKnowledgeSession();
List list = new ArrayList();
ksession.setGlobal( "list",
list );
Action executeResultHandler = PipelineFactory.newExecuteResultHandler();
Action assignResult = PipelineFactory.newAssignObjectAsResult();
assignResult.setReceiver( executeResultHandler );
KnowledgeRuntimeCommand batchExecution = PipelineFactory.newCommandExecutor();
batchExecution.setReceiver( assignResult );
KnowledgeRuntimeCommand insertStage = PipelineFactory.newInsertObjectCommand();
insertStage.setReceiver( batchExecution );
// Instantiate Smooks with the config...
Smooks smooks = new Smooks( getClass().getResourceAsStream( "smooks-config.xml" ) );
Transformer transformer = PipelineFactory.newSmooksFromSourceTransformer( smooks,
"orderItem" );
transformer.setReceiver( insertStage );
Pipeline pipeline = PipelineFactory.newStatelessKnowledgeSessionPipeline( ksession );
pipeline.setReceiver( transformer );
ResultHandlerImpl resultHandler = new ResultHandlerImpl();
pipeline.insert( new StreamSource( getClass().getResourceAsStream( "SmooksDirectRoot.xml" ) ),
resultHandler );
assertEquals( 1,
list.size() );
assertEquals( "example.OrderItem",
list.get( 0 ).getClass().getName() );
}
@Test
public void testSmooksNestedIterable() throws Exception {
KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
kbuilder.add( ResourceFactory.newClassPathResource( "test_SmooksNestedIterable.drl",
SmookStatefulSessionTest.class ),
ResourceType.DRL );
assertFalse( kbuilder.hasErrors() );
KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
kbase.addKnowledgePackages( kbuilder.getKnowledgePackages() );
StatelessKnowledgeSession ksession = kbase.newStatelessKnowledgeSession();
List list = new ArrayList();
ksession.setGlobal( "list",
list );
Action executeResultHandler = PipelineFactory.newExecuteResultHandler();
Action assignResult = PipelineFactory.newAssignObjectAsResult();
assignResult.setReceiver( executeResultHandler );
KnowledgeRuntimeCommand batchExecution = PipelineFactory.newCommandExecutor();
batchExecution.setReceiver( assignResult );
KnowledgeRuntimeCommand insertElementsStage = PipelineFactory.newInsertElementsCommand();
insertElementsStage.setReceiver( batchExecution );
Expression mvelExpression = PipelineFactory.newMvelExpression( "this.children" );
mvelExpression.setReceiver( insertElementsStage );
// Instantiate Smooks with the config...
Smooks smooks = new Smooks( getClass().getResourceAsStream( "smooks-config.xml" ) );
Transformer transformer = PipelineFactory.newSmooksFromSourceTransformer( smooks,
"root" );
transformer.setReceiver( mvelExpression );
Pipeline pipeline = PipelineFactory.newStatelessKnowledgeSessionPipeline( ksession );
pipeline.setReceiver( transformer );
ResultHandlerImpl resultHandler = new ResultHandlerImpl();
pipeline.insert( new StreamSource( getClass().getResourceAsStream( "SmooksNestedIterable.xml" ) ),
resultHandler );
assertEquals( 2,
list.size() );
assertEquals( "example.OrderItem",
list.get( 0 ).getClass().getName() );
assertEquals( "example.OrderItem",
list.get( 1 ).getClass().getName() );
assertNotSame( list.get( 0 ),
list.get( 1 ) );
}
public static class ResultHandlerImpl
implements
ResultHandler {
Object object;
public void handleResult(Object object) {
this.object = object;
}
public Object getObject() {
return this.object;
}
}
}