/* Copyright (C) 2004 - 2008  db4objects Inc.  http://www.db4o.com

This file is part of the db4o open source object database.

db4o is free software; you can redistribute it and/or modify it under
the terms of version 2 of the GNU General Public License as published
by the Free Software Foundation and as clarified by db4objects' GPL 
interpretation policy, available at
http://www.db4o.com/about/company/legalpolicies/gplinterpretation/
Alternatively you can write to db4objects, Inc., 1900 S Norfolk Street,
Suite 350, San Mateo, CA 94403, USA.

db4o 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 General Public License
for more details.

You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
59 Temple Place - Suite 330, Boston, MA  02111-1307, USA. */
package com.db4o.internal.marshall;

import com.db4o.internal.*;


/**
 * @exclude
 */
public class FieldMarshaller2 extends FieldMarshaller1 {
    
    private static final int ASPECT_TYPE_TAG_LENGTH = 1;
    
    public int marshalledLength(ObjectContainerBase stream, ClassAspect aspect) {
        return super.marshalledLength(stream, aspect) + ASPECT_TYPE_TAG_LENGTH;
    }
    
    protected RawFieldSpec readSpec(AspectType aspectType, ObjectContainerBase stream, ByteArrayBuffer reader) {
        return super.readSpec(AspectType.forByte(reader.readByte()), stream, reader);
    }
    
    public void write(Transaction trans, ClassMetadata clazz, ClassAspect aspect, ByteArrayBuffer writer) {
        writer.writeByte(aspect.aspectType()._id);
        super.write(trans, clazz, aspect, writer);
    }
    
    public void defrag(ClassMetadata classMetadata, ClassAspect aspect, LatinStringIO sio,
        final DefragmentContextImpl context){
        context.readByte();
        super.defrag(classMetadata, aspect, sio, context);
    }

}
