/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2008, Red Hat Middleware LLC 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 Middleware LLC.
*
* 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.transform;
import java.io.Serializable;
/**
* ???
*
* @author max
*/
public class PassThroughResultTransformer extends BasicTransformerAdapter implements Serializable {
public static final PassThroughResultTransformer INSTANCE = new PassThroughResultTransformer();
/**
* Instamtiate a PassThroughResultTransformer.
*
* @deprecated Use the {@link #INSTANCE} reference instead of explicitly creating a new one.
*/
public PassThroughResultTransformer() {
}
public Object transformTuple(Object[] tuple, String[] aliases) {
return tuple.length==1 ? tuple[0] : tuple;
}
/**
* Serialization hook for ensuring singleton uniqueing.
*
* @return The singleton instance : {@link #INSTANCE}
*/
private Object readResolve() {
return INSTANCE;
}
public boolean equals(Object obj) {
// todo : we can remove this once the deprecated ctor can be made private...
return PassThroughResultTransformer.class.isInstance( obj );
}
}
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