ActionTracer.java :  » Rule-Engine » hammurapi-rules » biz » hammurapi » rules » Java Open Source

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hammurapi rules » biz » hammurapi » rules » ActionTracer.java
/*
 * hammurapi-rules @mesopotamia.version@
 * Hammurapi rules engine. 
 * Copyright (C) 2005  Hammurapi Group
 *
 * This program 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 program 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
 *
 * URL: http://http://www.hammurapi.biz
 * e-Mail: support@hammurapi.biz
 */
package biz.hammurapi.rules;

import java.util.Collection;

/**
 * Rules container which implements removal by tracing conclusions to 
 * causes shall implement this interface.
 * @author Pavel Vlasov
 * @revision $Revision$
 */
public interface ActionTracer {
  
  /**
   * Adds multiple actions to the tracer.
   * @param actions
   */
  void addActions(Collection actions);
  
  /**
   * Factory method.
   * @param cause
   * @param postedObject
   * @return
   */
  Action createPostAction(Object cause, Object postedObject);
  
  /**
   * Factory method.
   * @param cause
   * @param removedObject
   * @return
   */
  Action createRemoveAction(Object cause, Object removedObject);  
}
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