01: /*
02: * hgcommons 7
03: * Hammurapi Group Common Library
04: * Copyright (C) 2003 Hammurapi Group
05: *
06: * This program is free software; you can redistribute it and/or
07: * modify it under the terms of the GNU Lesser General Public
08: * License as published by the Free Software Foundation; either
09: * version 2 of the License, or (at your option) any later version.
10: *
11: * This program is distributed in the hope that it will be useful,
12: * but WITHOUT ANY WARRANTY; without even the implied warranty of
13: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14: * Lesser General Public License for more details.
15: *
16: * You should have received a copy of the GNU Lesser General Public
17: * License along with this library; if not, write to the Free Software
18: * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19: *
20: * URL: http://www.hammurapi.biz/hammurapi-biz/ef/xmenu/hammurapi-group/products/products/hgcommons/index.html
21: * e-Mail: support@hammurapi.biz
22: */
23: package biz.hammurapi.sql;
24:
25: import java.sql.Connection;
26: import java.sql.SQLException;
27:
28: import biz.hammurapi.sql.IdentityRetriever;
29: import biz.hammurapi.sql.SQLProcessor;
30:
31: /**
32: * Retrieves identity by executing SQL statement
33: * @author Pavel Vlasov
34: * @revision $Revision$
35: */
36: public class GenericIdentityRetriever implements IdentityRetriever {
37:
38: private String sql;
39:
40: public GenericIdentityRetriever(String sql) {
41: this .sql = sql;
42: }
43:
44: public int retrieve(Connection con) throws SQLException {
45: return new SQLProcessor(con, null).projectSingleInt(sql, null);
46: }
47:
48: }
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