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.pool;
22:
23: import java.lang.reflect.Method;
24: import java.util.Set;
25:
26: import javax.sql.ConnectionPoolDataSource;
27:
28: import net.sf.hajdbc.DatabaseCluster;
29: import net.sf.hajdbc.sql.CommonDataSourceInvocationHandler;
30: import net.sf.hajdbc.sql.InvocationStrategy;
31: import net.sf.hajdbc.util.reflect.Methods;
32:
33: /**
34: * @author Paul Ferraro
35: *
36: */
37: @SuppressWarnings("nls")
38: public class ConnectionPoolDataSourceInvocationHandler extends
39: CommonDataSourceInvocationHandler<ConnectionPoolDataSource> {
40: private static final Set<Method> getPooledConnectionMethodSet = Methods
41: .findMethods(ConnectionPoolDataSource.class,
42: "getPooledConnection");
43:
44: /**
45: * @param databaseCluster
46: */
47: public ConnectionPoolDataSourceInvocationHandler(
48: DatabaseCluster<ConnectionPoolDataSource> databaseCluster) {
49: super (databaseCluster, ConnectionPoolDataSource.class);
50: }
51:
52: @Override
53: protected InvocationStrategy<ConnectionPoolDataSource, ConnectionPoolDataSource, ?> getInvocationStrategy(
54: ConnectionPoolDataSource dataSource, Method method,
55: Object[] parameters) throws Exception {
56: if (getPooledConnectionMethodSet.contains(method)) {
57: return new PooledConnectionInvocationStrategy(this.cluster,
58: dataSource);
59: }
60:
61: return super.getInvocationStrategy(dataSource, method,
62: parameters);
63: }
64: }
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