org.hibernate.bytecode.internal.javassist.BytecodeProviderImpl Maven / Gradle / Ivy
/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* License: GNU Lesser General Public License (LGPL), version 2.1 or later.
* See the lgpl.txt file in the root directory or .
*/
package org.hibernate.bytecode.internal.javassist;
import java.lang.reflect.Modifier;
import org.hibernate.bytecode.enhance.internal.javassist.EnhancerImpl;
import org.hibernate.bytecode.enhance.spi.EnhancementContext;
import org.hibernate.bytecode.enhance.spi.Enhancer;
import org.hibernate.bytecode.spi.BytecodeProvider;
import org.hibernate.bytecode.spi.ProxyFactoryFactory;
import org.hibernate.bytecode.spi.ReflectionOptimizer;
import org.hibernate.internal.CoreMessageLogger;
import org.hibernate.internal.util.StringHelper;
import org.jboss.logging.Logger;
/**
* Bytecode provider implementation for Javassist.
*
* @author Steve Ebersole
*/
public class BytecodeProviderImpl implements BytecodeProvider {
private static final CoreMessageLogger LOG = Logger.getMessageLogger(
CoreMessageLogger.class,
BytecodeProviderImpl.class.getName()
);
@Override
public ProxyFactoryFactory getProxyFactoryFactory() {
return new ProxyFactoryFactoryImpl();
}
@Override
public ReflectionOptimizer getReflectionOptimizer(
Class clazz,
String[] getterNames,
String[] setterNames,
Class[] types) {
FastClass fastClass;
BulkAccessor bulkAccessor;
try {
fastClass = FastClass.create( clazz );
bulkAccessor = BulkAccessor.create( clazz, getterNames, setterNames, types );
if ( !clazz.isInterface() && !Modifier.isAbstract( clazz.getModifiers() ) ) {
if ( fastClass == null ) {
bulkAccessor = null;
}
else {
//test out the optimizer:
final Object instance = fastClass.newInstance();
bulkAccessor.setPropertyValues( instance, bulkAccessor.getPropertyValues( instance ) );
}
}
}
catch ( Throwable t ) {
fastClass = null;
bulkAccessor = null;
if ( LOG.isDebugEnabled() ) {
int index = 0;
if (t instanceof BulkAccessorException) {
index = ( (BulkAccessorException) t ).getIndex();
}
if ( index >= 0 ) {
LOG.debugf(
"Reflection optimizer disabled for %s [%s: %s (property %s)]",
clazz.getName(),
StringHelper.unqualify( t.getClass().getName() ),
t.getMessage(),
setterNames[index]
);
}
else {
LOG.debugf(
"Reflection optimizer disabled for %s [%s: %s]",
clazz.getName(),
StringHelper.unqualify( t.getClass().getName() ),
t.getMessage()
);
}
}
}
if ( fastClass != null && bulkAccessor != null ) {
return new ReflectionOptimizerImpl(
new InstantiationOptimizerAdapter( fastClass ),
new AccessOptimizerAdapter( bulkAccessor, clazz )
);
}
return null;
}
@Override
public Enhancer getEnhancer(EnhancementContext enhancementContext) {
return new EnhancerImpl( enhancementContext );
}
}