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Java > Open Source Codes > org > objectweb > medor > query > rdb > api > RdbExpField


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.query.rdb.api;
25
26 import org.objectweb.medor.query.api.QueryLeaf;
27
28 /**
29  * An RdbExpField is a particular type of RdbField, which is associated to
30  * an RdbExpQueryLeaf, and which refers to a QualifiedTable.
31  * @see org.objectweb.medor.query.rdb.api.RdbExpQueryLeaf
32  *
33  * @author <A HREF="mailto:alia.mourad@rd.francetelecom.com><b>
34  * Mourad Alia
35  * </b></A>
36  * <A HREF="mailto:alexandre.lefebvre@rd.francetelecom.com><b>
37  * Alexandre Lefebvre
38  * </b></A>
39  */
40 public interface RdbExpField extends RdbField {
41     /**
42      * Returns the associated QualifiedTable.
43      * @return the associated QualifiedTable in the underlying SQL query.
44      */
45     QualifiedTable getTable();
46
47     /**
48      * Associates the RdbExpField with the QualifiedTable.
49      * @param t is the associated QualifiedTable in the underlying SQL query.
50      */
51     void setTable(QualifiedTable t);
52
53     /**
54      * Sets the QueryLeaf to which the RdbExpField is associated
55      * @param ql is the QueryLeaf to which the RdbExpField is associated
56      */
57     void setQueryLeaf(QueryLeaf ql);
58
59 }
60
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