RuleConfiguration


1   /**
2    * MEDOR: Middleware Enabling Distributed Object Requests
3    * 
4    * Copyright (C) 2001-2003 France Telecom R&D
5    * Contact: alexandre.lefebvre@rd.francetelecom.com
6    *
7    * This library is free software; you can redistribute it and/or
8    * modify it under the terms of the GNU Lesser General Public
9    * License as published by the Free Software Foundation; either
10   * version 2.1 of the License, or (at your option) any later version.
11   *
12   * This library is distributed in the hope that it will be useful,
13   * but WITHOUT ANY WARRANTY; without even the implied warranty of
14   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15   * Lesser General Public License for more details.
16   *
17   * You should have received a copy of the GNU Lesser General Public
18   * License along with this library; if not, write to the Free Software
19   * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
20   *
21   * Initial developers: M. Alia, A. Lefebvre
22   */
23  
24  package org.objectweb.medor.optim.api;
25  
26  import java.util.List  ;
27  
28  /**
29   * This interface describes the configuration of a set of rules used by
30   * the QueryRewriter.
31   */
32  public interface RuleConfiguration {
33      /**
34       * Adds a rule to a configuration, together with parameters such
35       * as the number of times the rules is applied (once, saturation)
36       * @param rule the rule to be added.
37       */
38      void addRule(RewriteRule rule);
39  
40      /**
41       * Deletes a rule from the configuration.
42       * @param rule the rule to be removed
43       */
44      void removeRule(RewriteRule rule);
45  
46      /**
47       * Gives the List of rules in the configuration
48       * @return the List of rules in the configuration
49       */ List   getRules();
50  }
51

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