01: /**
02: * Sequoia: Database clustering technology.
03: * Copyright (C) 2005 AmicoSoft, Inc. dba Emic Networks
04: * Contact: sequoia@continuent.org
05: *
06: * Licensed under the Apache License, Version 2.0 (the "License");
07: * you may not use this file except in compliance with the License.
08: * You may obtain a copy of the License at
09: *
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: */package org.continuent.sequoia.controller.backend;
21:
22: import java.sql.ResultSet;
23: import java.sql.SQLException;
24:
25: import org.continuent.sequoia.common.protocol.Field;
26:
27: /**
28: * This class defines a BackendObjectConverter
29: *
30: * @author <a href="mailto:emmanuel.cecchet@emicnetworks.com">Emmanuel Cecchet</a>
31: * @version 1.0
32: */
33: public interface BackendObjectConverter {
34: /**
35: * Return object number i of the current ResultSet row and convert it as
36: * needed by the backend specific implementation.
37: *
38: * @param dbResultSet the database backend ResultSet
39: * @param i the ResultSet column number (starting at 1, SQL counting style)
40: * @param f column metadata
41: * @return the converted object
42: * @throws SQLException if an error occurs
43: */
44: Object convertResultSetObject(ResultSet dbResultSet, int i, Field f)
45: throws SQLException;
46:
47: }
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