Query


1   /*
2    * Jalisto - JAva LIght STOrage
3    * Copyright (C) 2000-2005 Xcalia http://www.xcalia.com
4    * 
5    * This library is free software; you can redistribute it and/or
6    * modify it under the terms of the GNU Lesser General Public
7    * License as published by the Free Software Foundation; either
8    * version 2.1 of the License, or (at your option) any later version.
9    * 
10   * This library is distributed in the hope that it will be useful,
11   * but WITHOUT ANY WARRANTY; without even the implied warranty of
12   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13   * Lesser General Public License for more details.
14   * 
15   * You should have received a copy of the GNU Lesser General Public
16   * License along with this library; if not, write to the Free Software
17   * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307, USA.
18   * 
19   * Xcalia
20   * 71, rue Desnouettes
21   * 75014 Paris - France
22   * http://www.xcalia.com
23   */
24  package org.objectweb.jalisto.se.api.query;
25  
26  import org.objectweb.jalisto.se.api.ClassDescription;
27  
28  import java.util.List  ;
29  import java.util.Set  ;
30  import java.util.HashMap  ;
31  
32  public interface Query {
33      Constraint constrain(Object   constraintObject);
34  
35      List   constraints();
36  
37      Query descend(String   fieldName);
38  
39      Query orderAscending();
40  
41      Query orderDescending();
42  
43      ObjectSet execute();
44  
45      Set   getExtent(ClassDescription meta);
46  
47      void bind(String   parameterName, Object   value);
48  
49      HashMap   getParameters();
50  
51      String   getQueriedClassName();
52  }
53

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