01: /*
02: * HA-JDBC: High-Availability JDBC
03: * Copyright (c) 2004-2008 Paul Ferraro
04: *
05: * This library is free software; you can redistribute it and/or modify it
06: * under the terms of the GNU Lesser General Public License as published by the
07: * Free Software Foundation; either version 2.1 of the License, or (at your
08: * option) any later version.
09: *
10: * This library is distributed in the hope that it will be useful, but WITHOUT
11: * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12: * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
13: * for more details.
14: *
15: * You should have received a copy of the GNU Lesser General Public License
16: * along with this library; if not, write to the Free Software Foundation,
17: * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18: *
19: * Contact: ferraro@users.sourceforge.net
20: */
21: package net.sf.hajdbc.sql;
22:
23: import javax.naming.Reference;
24: import javax.naming.StringRefAddr;
25: import javax.naming.spi.ObjectFactory;
26: import javax.sql.CommonDataSource;
27:
28: /**
29: * @author Paul Ferraro
30: * @param <D>
31: */
32: public abstract class CommonDataSourceReference<D extends CommonDataSource>
33: extends Reference {
34: protected static final String CLUSTER = "cluster"; //$NON-NLS-1$
35: protected static final String CONFIG = "config"; //$NON-NLS-1$
36:
37: /**
38: * Constructs a reference for a DataSource implementation.
39: * @param targetClass the target class of the DataSource.
40: * @param factoryClass the ObjectFactory class for creating a DataSource
41: * @param cluster a cluster identifier
42: * @param config the uri of the configuration file
43: */
44: protected CommonDataSourceReference(Class<D> targetClass,
45: Class<? extends ObjectFactory> factoryClass,
46: String cluster, String config) {
47: super (targetClass.getName(), factoryClass.getName(), null);
48:
49: if (cluster == null) {
50: throw new IllegalArgumentException();
51: }
52:
53: this .add(new StringRefAddr(CLUSTER, cluster));
54:
55: if (config != null) {
56: this .add(new StringRefAddr(CONFIG, config));
57: }
58: }
59: }
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