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Java > Open Source Codes > org > continuent > sequoia > controller > backend > BackendObjectConverter


1 /**
2  * Sequoia: Database clustering technology.
3  * Copyright (C) 2005 AmicoSoft, Inc. dba Emic Networks
4  * Contact: sequoia@continuent.org
5  *
6  * Licensed under the Apache License, Version 2.0 (the "License");
7  * you may not use this file except in compliance with the License.
8  * You may obtain a copy of the License at
9  *
10  * http://www.apache.org/licenses/LICENSE-2.0
11  *
12  * Unless required by applicable law or agreed to in writing, software
13  * distributed under the License is distributed on an "AS IS" BASIS,
14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15  * See the License for the specific language governing permissions and
16  * limitations under the License.
17  *
18  * Initial developer(s): Emmanuel Cecchet.
19  * Contributor(s): ______________________.
20  */

21
22 package org.continuent.sequoia.controller.backend;
23
24 import java.sql.ResultSet JavaDoc;
25 import java.sql.SQLException JavaDoc;
26
27 import org.continuent.sequoia.common.protocol.Field;
28
29 /**
30  * This class defines a BackendObjectConverter
31  *
32  * @author <a HREF="mailto:emmanuel.cecchet@emicnetworks.com">Emmanuel Cecchet</a>
33  * @version 1.0
34  */

35 public interface BackendObjectConverter
36 {
37   /**
38    * Return object number i of the current ResultSet row and convert it as
39    * needed by the backend specific implementation.
40    *
41    * @param dbResultSet the database backend ResultSet
42    * @param i the ResultSet column number (starting at 1, SQL counting style)
43    * @param f column metadata
44    * @return the converted object
45    * @throws SQLException if an error occurs
46    */

47   Object JavaDoc convertResultSetObject(ResultSet JavaDoc dbResultSet, int i, Field f)
48       throws SQLException JavaDoc;
49
50 }
51
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