1   /*
    2    * Hibernate, Relational Persistence for Idiomatic Java
    3    *
    4    * Copyright (c) 2008, Red Hat Middleware LLC or third-party contributors as
    5    * indicated by the @author tags or express copyright attribution
    6    * statements applied by the authors.  All third-party contributions are
    7    * distributed under license by Red Hat Middleware LLC.
    8    *
    9    * This copyrighted material is made available to anyone wishing to use, modify,
   10    * copy, or redistribute it subject to the terms and conditions of the GNU
   11    * Lesser General Public License, as published by the Free Software Foundation.
   12    *
   13    * This program is distributed in the hope that it will be useful,
   14    * but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
   15    * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
   16    * for more details.
   17    *
   18    * You should have received a copy of the GNU Lesser General Public License
   19    * along with this distribution; if not, write to:
   20    * Free Software Foundation, Inc.
   21    * 51 Franklin Street, Fifth Floor
   22    * Boston, MA  02110-1301  USA
   23    *
   24    */
   25   package org.hibernate.bytecode.cglib;
   26   
   27   import org.hibernate.bytecode.ReflectionOptimizer;
   28   import net.sf.cglib.reflect.FastClass;
   29   import org.hibernate.InstantiationException;
   30   
   31   import java.io.Serializable;
   32   import java.io.ObjectOutputStream;
   33   import java.io.IOException;
   34   import java.io.ObjectInputStream;
   35   
   36   /**
   37    * The {@link ReflectionOptimizer.InstantiationOptimizer} implementation for CGLIB
   38    * which simply acts as an adpater to the {@link FastClass} class.
   39    *
   40    * @author Steve Ebersole
   41    */
   42   public class InstantiationOptimizerAdapter implements ReflectionOptimizer.InstantiationOptimizer, Serializable {
   43   	private FastClass fastClass;
   44   
   45   	public InstantiationOptimizerAdapter(FastClass fastClass) {
   46   		this.fastClass = fastClass;
   47   	}
   48   
   49   	public Object newInstance() {
   50   		try {
   51   			return fastClass.newInstance();
   52   		}
   53   		catch ( Throwable t ) {
   54   			throw new InstantiationException(
   55   					"Could not instantiate entity with CGLIB optimizer: ",
   56   			        fastClass.getJavaClass(),
   57   			        t
   58   			);
   59   		}
   60   	}
   61   
   62   	private void writeObject(ObjectOutputStream out) throws IOException {
   63   		out.writeObject( fastClass.getJavaClass() );
   64   	}
   65   
   66   	private void readObject(ObjectInputStream in) throws IOException, ClassNotFoundException {
   67   		Class beanClass = ( Class ) in.readObject();
   68   		fastClass = FastClass.create( beanClass );
   69   	}
   70   }