KickJava   Java API By Example, From Geeks To Geeks.

Java > Open Source Codes > org > objectweb > medor > expression > converter > api > Expression2WhereClause


1 /**
2  * MEDOR: Middleware Enabling Distributed Object Requests
3  *
4  * Copyright (C) 2001-2004 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, S. Chassande-Barrioz, A. Lefebvre
22  */
23 package org.objectweb.medor.expression.converter.api;
24
25 import org.objectweb.medor.expression.api.Expression;
26 import org.objectweb.medor.expression.api.ExpressionException;
27 import org.objectweb.jorm.mapper.rdb.adapter.api.RdbAdapter;
28
29 /**
30  * Converts an expression to a relation where clause.
31  * @author A. Lefebvre
32  */
33 public interface Expression2WhereClause {
34     /**
35      * Converts an expression to a relational where clause
36      * @param exp the Expression to be converted
37      * @param rdbAdapter the RdbAdapter which can be necessary to compute parts
38      * of the query which may depend from the relational database
39      * @return the SQL WHERE clause corresponding to the input Expression, as a
40      * String
41      * @throws ExpressionException
42      */
43     String JavaDoc convertExp2WhereClause(Expression exp, RdbAdapter rdbAdapter)
44     throws ExpressionException;
45 }
46
Popular Tags