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 java.lang.reflect.Method;
24: import java.util.Set;
25:
26: import javax.sql.CommonDataSource;
27:
28: import net.sf.hajdbc.DatabaseCluster;
29: import net.sf.hajdbc.util.reflect.Methods;
30:
31: /**
32: * @author Paul Ferraro
33: * @param <D>
34: */
35: @SuppressWarnings("nls")
36: public class CommonDataSourceInvocationHandler<D extends CommonDataSource>
37: extends AbstractRootInvocationHandler<D> {
38: private static final Set<Method> getMethodSet = Methods
39: .findMethods(CommonDataSource.class, "get\\w+");
40: private static final Set<Method> setMethodSet = Methods
41: .findMethods(CommonDataSource.class, "set\\w+");
42:
43: /**
44: * @param databaseCluster
45: * @param proxyClass
46: */
47: protected CommonDataSourceInvocationHandler(
48: DatabaseCluster<D> databaseCluster, Class<D> proxyClass) {
49: super (databaseCluster, proxyClass);
50: }
51:
52: @Override
53: protected InvocationStrategy<D, D, ?> getInvocationStrategy(
54: D object, Method method, Object[] parameters)
55: throws Exception {
56: if (getMethodSet.contains(method)) {
57: return new DriverReadInvocationStrategy<D, D, Object>();
58: }
59:
60: if (setMethodSet.contains(method)) {
61: return new DriverWriteInvocationStrategy<D, D, Object>();
62: }
63:
64: return super.getInvocationStrategy(object, method, parameters);
65: }
66: }
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