ValueHolderStateFactory.java :  » EJB-Server » JBoss-6.0.0 » org » jboss » test » cmp2 » lob » Java Open Source

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JBoss 6.0.0 » org » jboss » test » cmp2 » lob » ValueHolderStateFactory.java
/*
 * JBoss, Home of Professional Open Source.
 * Copyright 2008, Red Hat Middleware LLC, and individual contributors
 * as indicated by the @author tags. See the copyright.txt file in the
 * distribution for a full listing of individual contributors.
 *
 * This 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 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software 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 software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */
package org.jboss.test.cmp2.lob;

import org.jboss.ejb.plugins.cmp.jdbc.CMPFieldStateFactory;

/**
 *
 * @author <a href="mailto:alex@jboss.org">Alexey Loubyansky</a>
 */
public class ValueHolderStateFactory
   implements CMPFieldStateFactory
{
   public Object getFieldState(Object fieldValue)
   {
      return fieldValue;
   }

   public boolean isStateValid(Object state, Object fieldValue)
   {
      boolean valid;
      if(state == null && fieldValue != null
         || state != null && fieldValue == null)
      {
         valid = false;
      }
      else
      {
         valid = (fieldValue == null ? true : !((ValueHolder)fieldValue).isDirty());
      }
      return valid;
   }
}
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