/*
* Copyright 2013 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.guvnor.common.services.builder;
import java.net.URISyntaxException;
import java.net.URL;
import java.util.List;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.TimeUnit;
import javax.enterprise.context.spi.CreationalContext;
import javax.enterprise.inject.spi.Bean;
import javax.enterprise.inject.spi.BeanManager;
import org.guvnor.common.services.project.builder.model.BuildResults;
import org.guvnor.common.services.project.builder.service.BuildService;
import org.guvnor.common.services.project.model.Project;
import org.guvnor.common.services.project.service.ProjectService;
import org.guvnor.common.services.shared.rulenames.RuleNamesService;
import org.jboss.weld.environment.se.StartMain;
import org.junit.Before;
import org.junit.Test;
import org.uberfire.backend.server.config.ConfigGroup;
import org.uberfire.backend.server.config.ConfigType;
import org.uberfire.backend.server.config.ConfigurationFactory;
import org.uberfire.backend.server.config.ConfigurationService;
import org.uberfire.backend.server.util.Paths;
import org.uberfire.backend.vfs.Path;
import org.uberfire.java.nio.fs.file.SimpleFileSystemProvider;
import static org.junit.Assert.*;
public class ResourceChangeIncrementalBuilderConcurrencyTest {
private static final String GLOBAL_SETTINGS = "settings";
private final SimpleFileSystemProvider fs = new SimpleFileSystemProvider();
private BeanManager beanManager;
private Paths paths;
private ConfigurationService configurationService;
private ConfigurationFactory configurationFactory;
private BuildResultsObserver buildResultsObserver;
private BuildService buildService;
private ProjectService projectService;
private RuleNamesService ruleNamesService;
@Before
public void setUp() throws Exception {
//Bootstrap WELD container
StartMain startMain = new StartMain( new String[ 0 ] );
beanManager = startMain.go().getBeanManager();
//Instantiate Paths used in tests for Path conversion
final Bean pathsBean = (Bean) beanManager.getBeans( Paths.class ).iterator().next();
final CreationalContext cc1 = beanManager.createCreationalContext( pathsBean );
paths = (Paths) beanManager.getReference( pathsBean,
Paths.class,
cc1 );
//Instantiate ConfigurationService
final Bean configurationServiceBean = (Bean) beanManager.getBeans( ConfigurationService.class ).iterator().next();
final CreationalContext cc2 = beanManager.createCreationalContext( configurationServiceBean );
configurationService = (ConfigurationService) beanManager.getReference( configurationServiceBean,
ConfigurationService.class,
cc2 );
//Instantiate ConfigurationFactory
final Bean configurationFactoryBean = (Bean) beanManager.getBeans( ConfigurationFactory.class ).iterator().next();
final CreationalContext cc3 = beanManager.createCreationalContext( configurationFactoryBean );
configurationFactory = (ConfigurationFactory) beanManager.getReference( configurationFactoryBean,
ConfigurationFactory.class,
cc3 );
//Instantiate BuildResultsObserver
final Bean buildResultsObserverBean = (Bean) beanManager.getBeans( BuildResultsObserver.class ).iterator().next();
final CreationalContext cc4 = beanManager.createCreationalContext( buildResultsObserverBean );
buildResultsObserver = (BuildResultsObserver) beanManager.getReference( buildResultsObserverBean,
BuildResultsObserver.class,
cc4 );
//Instantiate BuildService
final Bean buildServiceBean = (Bean) beanManager.getBeans( BuildService.class ).iterator().next();
final CreationalContext cc5 = beanManager.createCreationalContext( buildServiceBean );
buildService = (BuildService) beanManager.getReference( buildServiceBean,
BuildService.class,
cc5 );
//Instantiate ProjectService
final Bean projectServiceBean = (Bean) beanManager.getBeans( ProjectService.class ).iterator().next();
final CreationalContext cc6 = beanManager.createCreationalContext( projectServiceBean );
projectService = (ProjectService) beanManager.getReference( projectServiceBean,
ProjectService.class,
cc6 );
//Instantiate ProjectService
final Bean ruleNamesServiceBean = (Bean) beanManager.getBeans( RuleNamesService.class ).iterator().next();
final CreationalContext cc7 = beanManager.createCreationalContext( ruleNamesServiceBean );
ruleNamesService = (RuleNamesService) beanManager.getReference( ruleNamesServiceBean,
RuleNamesService.class,
cc7 );
//Define mandatory properties
List<ConfigGroup> globalConfigGroups = configurationService.getConfiguration( ConfigType.GLOBAL );
boolean globalSettingsDefined = false;
for ( ConfigGroup globalConfigGroup : globalConfigGroups ) {
if ( GLOBAL_SETTINGS.equals( globalConfigGroup.getName() ) ) {
globalSettingsDefined = true;
break;
}
}
if ( !globalSettingsDefined ) {
configurationService.addConfiguration( getGlobalConfiguration() );
}
}
private ConfigGroup getGlobalConfiguration() {
//Global Configurations used by many of Drools Workbench editors
final ConfigGroup group = configurationFactory.newConfigGroup( ConfigType.GLOBAL,
GLOBAL_SETTINGS,
"" );
group.addConfigItem( configurationFactory.newConfigItem( "build.enable-incremental",
"true" ) );
return group;
}
@Test
public void testConcurrentResourceUpdates() throws URISyntaxException {
final Bean buildChangeListenerBean = (Bean) beanManager.getBeans( ResourceChangeIncrementalBuilder.class ).iterator().next();
final CreationalContext cc = beanManager.createCreationalContext( buildChangeListenerBean );
final ResourceChangeIncrementalBuilder buildChangeListener = (ResourceChangeIncrementalBuilder) beanManager.getReference( buildChangeListenerBean,
ResourceChangeIncrementalBuilder.class,
cc );
final URL resourceUrl = this.getClass().getResource( "/BuildChangeListenerRepo/src/main/resources/update.drl" );
final org.uberfire.java.nio.file.Path nioResourcePath = fs.getPath( resourceUrl.toURI() );
final Path resourcePath = paths.convert( nioResourcePath );
//Force full build before attempting incremental changes
final Project project = projectService.resolveProject( resourcePath );
final BuildResults buildResults = buildService.build( project );
assertNotNull( buildResults );
assertEquals( 0,
buildResults.getMessages().size() );
//Perform incremental build
final int THREADS = 200;
final Result result = new Result();
ExecutorService es = Executors.newCachedThreadPool();
for ( int i = 0; i < THREADS; i++ ) {
es.execute( new Runnable() {
@Override
public void run() {
try {
System.out.println( "Thread " + Thread.currentThread().getName() + " has started" );
buildChangeListener.updateResource( resourcePath );
System.out.println( "Thread " + Thread.currentThread().getName() + " has completed" );
} catch ( Throwable e ) {
result.setFailed( true );
result.setMessage( e.getMessage() );
System.out.println( e.getMessage() );
}
}
} );
}
es.shutdown();
try {
es.awaitTermination( 5,
TimeUnit.MINUTES );
} catch ( InterruptedException e ) {
}
if ( result.isFailed() ) {
fail( result.getMessage() );
}
}
private static class Result {
private boolean failed = false;
private String message = "";
public synchronized boolean isFailed() {
return failed;
}
public synchronized void setFailed( boolean failed ) {
this.failed = failed;
}
public synchronized String getMessage() {
return message;
}
public synchronized void setMessage( String message ) {
this.message = message;
}
}
}