Package org.objectweb.speedo.generation.mivisitor

Source Code of org.objectweb.speedo.generation.mivisitor.VersionFieldAdder

/**
* Copyright (C) 2001-2004 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.mivisitor;

import org.objectweb.asm.Constants;
import org.objectweb.speedo.api.SpeedoException;
import org.objectweb.speedo.lib.Personality;
import org.objectweb.speedo.metadata.SpeedoClass;
import org.objectweb.speedo.metadata.SpeedoExtension;
import org.objectweb.speedo.metadata.SpeedoField;
import org.objectweb.speedo.metadata.SpeedoVersion;
import org.objectweb.util.monolog.api.BasicLevel;

/**
* This class adds the field version to the speedo class if the versioning strategy is not null.
* @author Y.Bersihand
*/
public class VersionFieldAdder extends AbstractMetaInfoVisitor {

  public VersionFieldAdder(Personality p) {
    super(p);
  }
 
  public void visitClass(SpeedoClass sc) throws SpeedoException {
    if(sc.version != null){
      if(logger != null ){
        logger.log(BasicLevel.DEBUG, "VersionFieldAdder.visitClass(" + sc.getFQName() + ")");
            logger.log(BasicLevel.DEBUG, "Class " + sc.getFQName() + ": version: " + SpeedoVersion.toString(sc.version.strategy));
      }
      //if a version strategy has been defined
      if (sc.version.strategy != SpeedoVersion.NO_VERSION) {
        //create a speedofield
        SpeedoField sf = new SpeedoField();
        sf.visibility = Constants.ACC_PUBLIC;
        sf.name = "speedo" + SpeedoVersion.toString(sc.version.strategy);
        //  equivalent for long in ASM
        sf.type = "J";
        //create a speedo extension for the sql name
        SpeedoExtension se = new SpeedoExtension("speedo","sql-name", sf.name.toUpperCase(), sf);
        sf.addExtension(se);
        sc.add(sf, true, logger);
      }
    }
    super.visitClass(sc);
  }
}
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