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  * JBoss, a division of Red Hat
  * Copyright 2011, Red Hat Middleware, LLC, and individual
  * contributors as indicated by the @authors tag. See the
  * copyright.txt 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
 * 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:
package org.gatein.registration;

A listener that can be notified before a Registration is destroy to get a chance to veto the destruction.

Chris Laprun
Called before the specified registration is destroyed. Listener has the opportunity to prevent destruction by returning a negative Vote.

registration the Registration about to be destroyed
SUCCESS if this listener agrees to move forward with the destruction, or a negative Vote built using RegistrationDestructionListener.Vote.negativeVote(java.lang.String) specifying the reason of the negative vote.
   class Vote
      public final boolean result;
      public final String reason;
      public static Vote negativeVote(String reason)
         return new Vote(reason);
      Vote(String reason)
         this. = false;
         this. = reason;
          = true;
          = null;
   Vote SUCCESS = new Vote();
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