/**
* Copyright (C) 2001-2005 France Telecom R&D
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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 library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package org.objectweb.speedo.generation.enhancer.pc;
import org.objectweb.asm.Attribute;
import org.objectweb.asm.ClassVisitor;
import org.objectweb.asm.Constants;
import org.objectweb.speedo.generation.enhancer.common.LoggedClassAdapter;
import org.objectweb.speedo.lib.Personality;
import org.objectweb.speedo.metadata.SpeedoClass;
import org.objectweb.speedo.metadata.SpeedoField;
import org.objectweb.util.monolog.api.Logger;
/**
* This visistor removes the persistent fields of a persistent class because
* they have been moved into the XXXFields class.
*
* @author S.Chassande-Barrioz
*/
public class FieldRemover extends LoggedClassAdapter {
/**
* is Speedo Meta Object representing the persistent class.
*/
private final SpeedoClass clazz;
public FieldRemover(final ClassVisitor classVisitor,
final SpeedoClass sClass,
final Logger logger,
final Personality p) {
super(classVisitor, p, logger);
this.clazz = sClass;
}
public void visitField(final int access,
final String name,
final String desc,
final Object value,
final Attribute attrs) {
boolean keepfield = (access & Constants.ACC_STATIC) != 0;
if (!keepfield) {
SpeedoField sf = (SpeedoField) clazz.fields.get(name);
keepfield = sf == null;
if (!keepfield) {
keepfield = sf.persistenceStatus == SpeedoField.NONE;
}
}
if (keepfield) {
super.visitField(access, name, desc, value, attrs);
}
}
}