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Java > Open Source Codes > org > jboss > ejb > plugins > cmp > jdbc > keygen > JDBCSybaseCreateCommand


1 /*
2 * JBoss, Home of Professional Open Source
3 * Copyright 2005, JBoss Inc., and individual contributors as indicated
4 * by the @authors tag. See the copyright.txt in the distribution for a
5 * full listing of individual contributors.
6 *
7 * This is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU Lesser General Public License as
9 * published by the Free Software Foundation; either version 2.1 of
10 * the License, or (at your option) any later version.
11 *
12 * This software 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 software; if not, write to the Free
19 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
21 */
22 package org.jboss.ejb.plugins.cmp.jdbc.keygen;
23
24 import org.jboss.ejb.plugins.cmp.jdbc.JDBCIdentityColumnCreateCommand;
25 import org.jboss.ejb.plugins.cmp.jdbc.metadata.JDBCEntityCommandMetaData;
26 import org.jboss.deployment.DeploymentException;
27
28 /**
29  * Create command for Sybase that uses the value from an IDENTITY columns.
30  * By default uses "SELECT @@IDENTITY"; can be overridden with "pk-sql" attribute
31  *
32  * @author <a HREF="mailto:jeremy@boynes.com">Jeremy Boynes</a>
33  * @version $Revision: 37459 $
34  */
35 public class JDBCSybaseCreateCommand extends JDBCIdentityColumnCreateCommand
36 {
37    protected void initEntityCommand(JDBCEntityCommandMetaData entityCommand) throws DeploymentException
38    {
39       super.initEntityCommand(entityCommand);
40       pkSQL = entityCommand.getAttribute("pk-sql");
41       if(pkSQL == null)
42       {
43          pkSQL = "SELECT @@IDENTITY";
44       }
45    }
46 }
47
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