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HHH-7521 - JBoss 7 / JPA 2.1 integration work

This commit is contained in:
Steve Ebersole 2012-08-13 11:46:29 -05:00
parent fae0d3f498
commit b38e160cba
2 changed files with 124 additions and 63 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

146
hibernate-core/src/main/java/org/hibernate/service/classloading/internal/ClassLoaderServiceImpl.java
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@ -51,6 +51,7 @@ public class ClassLoaderServiceImpl implements ClassLoaderService {
private final ClassLoader classClassLoader;
private final ClassLoader resourcesClassLoader;
private final ClassLoader serviceLoaderClassLoader;
public ClassLoaderServiceImpl() {
this( ClassLoaderServiceImpl.class.getClassLoader() );
@ -105,6 +106,8 @@ public class ClassLoaderServiceImpl implements ClassLoaderService {
};
this.resourcesClassLoader = resourcesClassLoader;
this.serviceLoaderClassLoader = buildServiceLoaderClassLoader();
}
@SuppressWarnings( {"UnusedDeclaration"})
@ -135,6 +138,68 @@ public class ClassLoaderServiceImpl implements ClassLoaderService {
}
}
private ClassLoader buildServiceLoaderClassLoader() {
return new ClassLoader(null) {
final ClassLoader[] classLoaderArray = new ClassLoader[] {
// first look on the hibernate class loader
getClass().getClassLoader(),
// next look on the resource class loader
resourcesClassLoader,
// finally look on the combined class class loader
classClassLoader
};
@Override
public Enumeration<URL> getResources(String name) throws IOException {
final HashSet<URL> resourceUrls = new HashSet<URL>();
for ( ClassLoader classLoader : classLoaderArray ) {
final Enumeration<URL> urls = classLoader.getResources( name );
while ( urls.hasMoreElements() ) {
resourceUrls.add( urls.nextElement() );
}
}
return new Enumeration<URL>() {
final Iterator<URL> resourceUrlIterator = resourceUrls.iterator();
@Override
public boolean hasMoreElements() {
return resourceUrlIterator.hasNext();
}
@Override
public URL nextElement() {
return resourceUrlIterator.next();
}
};
}
@Override
protected URL findResource(String name) {
for ( ClassLoader classLoader : classLoaderArray ) {
final URL resource = classLoader.getResource( name );
if ( resource != null ) {
return resource;
}
}
return super.findResource( name );
}
@Override
protected Class<?> findClass(String name) throws ClassNotFoundException {
for ( ClassLoader classLoader : classLoaderArray ) {
try {
return classLoader.loadClass( name );
}
catch (Exception ignore) {
}
}
throw new ClassNotFoundException( "Could not load requested class : " + name );
}
};
}
@Override
@SuppressWarnings( {"unchecked"})
public <T> Class<T> classForName(String className) {
@ -227,55 +292,6 @@ public class ClassLoaderServiceImpl implements ClassLoaderService {
@Override
public <S> LinkedHashSet<S> loadJavaServices(Class<S> serviceContract) {
final ClassLoader serviceLoaderClassLoader = new ClassLoader(null) {
final ClassLoader[] classLoaderArray = new ClassLoader[] {
// first look on the hibernate class loader
getClass().getClassLoader(),
// next look on the resource class loader
resourcesClassLoader,
// finally look on the combined class class loader
classClassLoader
};
@Override
public Enumeration<URL> getResources(String name) throws IOException {
final HashSet<URL> resourceUrls = new HashSet<URL>();
for ( ClassLoader classLoader : classLoaderArray ) {
final Enumeration<URL> urls = classLoader.getResources( name );
while ( urls.hasMoreElements() ) {
resourceUrls.add( urls.nextElement() );
}
}
return new Enumeration<URL>() {
final Iterator<URL> resourceUrlIterator = resourceUrls.iterator();
@Override
public boolean hasMoreElements() {
return resourceUrlIterator.hasNext();
}
@Override
public URL nextElement() {
return resourceUrlIterator.next();
}
};
}
@Override
protected Class<?> findClass(String name) throws ClassNotFoundException {
for ( ClassLoader classLoader : classLoaderArray ) {
try {
return classLoader.loadClass( name );
}
catch (Exception ignore) {
}
}
throw new ClassNotFoundException( "Could not load requested class : " + name );
}
};
final ServiceLoader<S> loader = ServiceLoader.load( serviceContract, serviceLoaderClassLoader );
final LinkedHashSet<S> services = new LinkedHashSet<S>();
for ( S service : loader ) {
@ -284,4 +300,36 @@ public class ClassLoaderServiceImpl implements ClassLoaderService {
return services;
}
// !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
// completely temporary !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
// !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
public static interface Work<T> {
public T perform();
}
public <T> T withTccl(Work<T> work) {
final ClassLoader tccl = Thread.currentThread().getContextClassLoader();
boolean set = false;
try {
Thread.currentThread().setContextClassLoader( serviceLoaderClassLoader);
set = true;
}
catch (Exception ignore) {
}
try {
return work.perform();
}
finally {
if ( set ) {
Thread.currentThread().setContextClassLoader( tccl );
}
}
}
}

15
hibernate-entitymanager/src/main/java/org/hibernate/jpa/boot/internal/EntityManagerFactoryBuilderImpl.java
View File

@ -100,6 +100,7 @@ import org.hibernate.service.BootstrapServiceRegistryBuilder;
import org.hibernate.service.ConfigLoader;
import org.hibernate.service.ServiceRegistry;
import org.hibernate.service.ServiceRegistryBuilder;
import org.hibernate.service.classloading.internal.ClassLoaderServiceImpl;
import org.hibernate.service.classloading.spi.ClassLoaderService;
import org.hibernate.service.spi.ServiceRegistryImplementor;
@ -919,8 +920,17 @@ public class EntityManagerFactoryBuilderImpl implements EntityManagerFactoryBuil
@SuppressWarnings("unchecked")
public EntityManagerFactory buildEntityManagerFactory() {
final ServiceRegistry serviceRegistry = buildServiceRegistry();
// IMPL NOTE : TCCL handling here is temporary.
// It is needed because this code still uses Hibernate Configuration and Hibernate commons-annotations
// in turn which relies on TCCL being set.
final ServiceRegistry serviceRegistry = buildServiceRegistry();
final ClassLoaderService classLoaderService = serviceRegistry.getService( ClassLoaderService.class );
return ( (ClassLoaderServiceImpl) classLoaderService ).withTccl(
new ClassLoaderServiceImpl.Work<EntityManagerFactoryImpl>() {
@Override
public EntityManagerFactoryImpl perform() {
hibernateConfiguration = buildHibernateConfiguration( serviceRegistry );
SessionFactoryImplementor sessionFactory;
@ -939,6 +949,9 @@ public class EntityManagerFactoryBuilderImpl implements EntityManagerFactoryBuil
// NOTE : passing cfg is temporary until
return new EntityManagerFactoryImpl( persistenceUnit.getName(), sessionFactory, settings, configurationValues, hibernateConfiguration );
}
}
);
}
public ServiceRegistry buildServiceRegistry() {
return serviceRegistryBuilder.buildServiceRegistry();