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* Hibernate, Relational Persistence for Idiomatic Java
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* Copyright (c) 2008, Red Hat Middleware LLC or third-party contributors as
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* indicated by the @author tags or express copyright attribution
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* statements applied by the authors. All third-party contributions are
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* distributed under license by Red Hat Middleware LLC.
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* This copyrighted material is made available to anyone wishing to use, modify,
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* copy, or redistribute it subject to the terms and conditions of the GNU
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* Lesser General Public License, as published by the Free Software Foundation.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
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* You should have received a copy of the GNU Lesser General Public License
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* along with this distribution; if not, write to:
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* Free Software Foundation, Inc.
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* 51 Franklin Street, Fifth Floor
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* Boston, MA 02110-1301 USA
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package org.hibernate.bytecode.javassist;
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import org.hibernate.bytecode.ReflectionOptimizer;
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import org.hibernate.InstantiationException;
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import java.io.Serializable;
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* The {@link ReflectionOptimizer.InstantiationOptimizer} implementation for Javassist
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* which simply acts as an adpater to the {@link FastClass} class.
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* @author Steve Ebersole
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public class InstantiationOptimizerAdapter implements ReflectionOptimizer.InstantiationOptimizer, Serializable {
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private final FastClass fastClass;
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public InstantiationOptimizerAdapter(FastClass fastClass) {
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this.fastClass = fastClass;
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public Object newInstance() {
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return fastClass.newInstance();
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catch ( Throwable t ) {
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throw new InstantiationException(
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"Could not instantiate entity with Javassist optimizer: ",
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fastClass.getJavaClass(), t