LeafRewriteRule


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 org.objectweb.medor.query.api.QueryLeaf;
27  
28  import java.util.Collection  ;
29  
30  /**
31   * A LeafRewriteRule uses LeafRewriters to rewrite QueryLeaves of a
32   * given QueryTree.
33   */
34  
35  public interface LeafRewriteRule extends RewriteRule {
36  
37      void addLeafRewriter(LeafRewriter lr);
38  
39      void removeLeafRewriter(LeafRewriter lr);
40  
41      Collection   getLeafRewriters();
42  
43      LeafRewriter getLeafRewriter(QueryLeaf ql);
44  }
45

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