Package org.objectweb.speedo.generation.mivisitor

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

/**
* 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.speedo.api.SpeedoException;
import org.objectweb.speedo.api.SpeedoProperties;
import org.objectweb.speedo.lib.Personality;
import org.objectweb.speedo.metadata.SpeedoExtension;
import org.objectweb.speedo.metadata.SpeedoField;
import org.objectweb.util.monolog.api.BasicLevel;

/**
* Manage the cascade-delete option.
*
* @author Y. Bersihand
*/
public class CascadeDeleteSetter extends AbstractMetaInfoVisitor {

  public String getTitle() {
    return "Manage cascade-delete option...";
  }
 
    public CascadeDeleteSetter(Personality p) {
      super(p);
    }

    public CascadeDeleteSetter(MetaInfoVisitor mim, Personality p) {
        super(mim, p);
    }

    protected String getLoggerName() {
        return LOGGER_NAME + ".cascadeDelete";
    }
   
    public void visitField(SpeedoField sf) throws SpeedoException {
        super.visitField(sf);
        //Cascade delete
    SpeedoExtension se = sf.getExtension(
      SpeedoProperties.VENDOR_NAME,
      SpeedoProperties.CASCADE_DELETE);
    //set the isCascadeDelete attribute
    sf.isCascadeDelete = se != null
      && ("true".equalsIgnoreCase(se.value)
      || "yes".equalsIgnoreCase(se.value)
      || "on".equalsIgnoreCase(se.value));
    //remove the cascade-delete option for collection, map, etc...
    //of non persistent objects.
        if (sf.jdoTuple != null && sf.getReferencedClass() == null
            && sf.isCascadeDelete) {
          sf.isCascadeDelete = false;
          if (logger != null) {
            logger.log(BasicLevel.WARN,
              "Field " + sf.name + " of class " + sf.moClass.name + ":" +
              "Cascade-delete option for collection, map, etc.. of non persistent objects is not needed.");
          }
        }
    }
}
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