/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2012, Red Hat Inc. or third-party contributors as
* indicated by the @author tags or express copyright attribution
* statements applied by the authors. All third-party contributions are
* distributed under license by Red Hat Inc.
*
* This copyrighted material is made available to anyone wishing to use, modify,
* copy, or redistribute it subject to the terms and conditions of the GNU
* Lesser General Public License, as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this distribution; if not, write to:
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301 USA
*/
package org.hibernate.boot.registry.internal;
import java.util.LinkedHashSet;
import org.hibernate.boot.registry.BootstrapServiceRegistry;
import org.hibernate.boot.registry.classloading.internal.ClassLoaderServiceImpl;
import org.hibernate.boot.registry.classloading.spi.ClassLoaderService;
import org.hibernate.boot.registry.selector.internal.StrategySelectorImpl;
import org.hibernate.boot.registry.selector.spi.StrategySelector;
import org.hibernate.integrator.internal.IntegratorServiceImpl;
import org.hibernate.integrator.spi.Integrator;
import org.hibernate.integrator.spi.IntegratorService;
import org.hibernate.internal.CoreMessageLogger;
import org.hibernate.service.Service;
import org.hibernate.service.ServiceRegistry;
import org.hibernate.service.spi.ServiceBinding;
import org.hibernate.service.spi.ServiceException;
import org.hibernate.service.spi.ServiceInitiator;
import org.hibernate.service.spi.ServiceRegistryImplementor;
import org.hibernate.service.spi.Stoppable;
import org.jboss.logging.Logger;
/**
* {@link ServiceRegistry} implementation containing specialized "bootstrap" services, specifically:<ul>
* <li>{@link ClassLoaderService}</li>
* <li>{@link IntegratorService}</li>
* <li>{@link StrategySelector}</li>
* </ul>
*
* IMPL NOTE : Currently implements the deprecated {@link org.hibernate.service.BootstrapServiceRegistry} contract
* so that the registry returned from the builder works on the deprecated sense. Once
* {@link org.hibernate.service.BootstrapServiceRegistry} goes away, this should be updated to instead implement
* {@link org.hibernate.boot.registry.BootstrapServiceRegistry}.
*
* @author Steve Ebersole
*/
public class BootstrapServiceRegistryImpl
implements ServiceRegistryImplementor, BootstrapServiceRegistry, ServiceBinding.ServiceLifecycleOwner {
private static final CoreMessageLogger LOG = Logger.getMessageLogger(
CoreMessageLogger.class,
BootstrapServiceRegistryImpl.class.getName()
);
private static final LinkedHashSet<Integrator> NO_INTEGRATORS = new LinkedHashSet<Integrator>();
private final ServiceBinding<ClassLoaderService> classLoaderServiceBinding;
private final ServiceBinding<StrategySelector> strategySelectorBinding;
private final ServiceBinding<IntegratorService> integratorServiceBinding;
/**
* Constructs a BootstrapServiceRegistryImpl.
*
* Do not use directly generally speaking. Use {@link org.hibernate.boot.registry.BootstrapServiceRegistryBuilder}
* instead.
*
* @see org.hibernate.boot.registry.BootstrapServiceRegistryBuilder
*/
public BootstrapServiceRegistryImpl() {
this( new ClassLoaderServiceImpl(), NO_INTEGRATORS );
}
/**
* Constructs a BootstrapServiceRegistryImpl.
*
* Do not use directly generally speaking. Use {@link org.hibernate.boot.registry.BootstrapServiceRegistryBuilder}
* instead.
*
* @param classLoaderService The ClassLoaderService to use
* @param providedIntegrators The group of explicitly provided integrators
*
* @see org.hibernate.boot.registry.BootstrapServiceRegistryBuilder
*/
public BootstrapServiceRegistryImpl(
ClassLoaderService classLoaderService,
LinkedHashSet<Integrator> providedIntegrators) {
this.classLoaderServiceBinding = new ServiceBinding<ClassLoaderService>(
this,
ClassLoaderService.class,
classLoaderService
);
final StrategySelectorImpl strategySelector = new StrategySelectorImpl( classLoaderService );
this.strategySelectorBinding = new ServiceBinding<StrategySelector>(
this,
StrategySelector.class,
strategySelector
);
this.integratorServiceBinding = new ServiceBinding<IntegratorService>(
this,
IntegratorService.class,
new IntegratorServiceImpl( providedIntegrators, classLoaderService )
);
}
/**
* Constructs a BootstrapServiceRegistryImpl.
*
* Do not use directly generally speaking. Use {@link org.hibernate.boot.registry.BootstrapServiceRegistryBuilder}
* instead.
*
* @param classLoaderService The ClassLoaderService to use
* @param strategySelector The StrategySelector to use
* @param integratorService The IntegratorService to use
*
* @see org.hibernate.boot.registry.BootstrapServiceRegistryBuilder
*/
public BootstrapServiceRegistryImpl(
ClassLoaderService classLoaderService,
StrategySelector strategySelector,
IntegratorService integratorService) {
this.classLoaderServiceBinding = new ServiceBinding<ClassLoaderService>(
this,
ClassLoaderService.class,
classLoaderService
);
this.strategySelectorBinding = new ServiceBinding<StrategySelector>(
this,
StrategySelector.class,
strategySelector
);
this.integratorServiceBinding = new ServiceBinding<IntegratorService>(
this,
IntegratorService.class,
integratorService
);
}
@Override
public <R extends Service> R getService(Class<R> serviceRole) {
final ServiceBinding<R> binding = locateServiceBinding( serviceRole );
return binding == null ? null : binding.getService();
}
@Override
@SuppressWarnings( {"unchecked"})
public <R extends Service> ServiceBinding<R> locateServiceBinding(Class<R> serviceRole) {
if ( ClassLoaderService.class.equals( serviceRole ) ) {
return (ServiceBinding<R>) classLoaderServiceBinding;
}
else if ( StrategySelector.class.equals( serviceRole) ) {
return (ServiceBinding<R>) strategySelectorBinding;
}
else if ( IntegratorService.class.equals( serviceRole ) ) {
return (ServiceBinding<R>) integratorServiceBinding;
}
return null;
}
@Override
public void destroy() {
destroy( classLoaderServiceBinding );
destroy( strategySelectorBinding );
destroy( integratorServiceBinding );
}
private void destroy(ServiceBinding serviceBinding) {
serviceBinding.getLifecycleOwner().stopService( serviceBinding );
}
@Override
public ServiceRegistry getParentServiceRegistry() {
return null;
}
@Override
public <R extends Service> R initiateService(ServiceInitiator<R> serviceInitiator) {
throw new ServiceException( "Boot-strap registry should only contain provided services" );
}
@Override
public <R extends Service> void configureService(ServiceBinding<R> binding) {
throw new ServiceException( "Boot-strap registry should only contain provided services" );
}
@Override
public <R extends Service> void injectDependencies(ServiceBinding<R> binding) {
throw new ServiceException( "Boot-strap registry should only contain provided services" );
}
@Override
public <R extends Service> void startService(ServiceBinding<R> binding) {
throw new ServiceException( "Boot-strap registry should only contain provided services" );
}
@Override
public <R extends Service> void stopService(ServiceBinding<R> binding) {
final Service service = binding.getService();
if ( Stoppable.class.isInstance( service ) ) {
try {
( (Stoppable) service ).stop();
}
catch ( Exception e ) {
LOG.unableToStopService( service.getClass(), e.toString() );
}
}
}
}