01: /*
02: * HA-JDBC: High-Availability JDBC
03: * Copyright (c) 2004-2007 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.sql.Connection;
24: import java.sql.Savepoint;
25:
26: import net.sf.hajdbc.DatabaseCluster;
27: import net.sf.hajdbc.util.reflect.ProxyFactory;
28:
29: /**
30: * @author Paul Ferraro
31: * @param <D>
32: */
33: public class SavepointInvocationStrategy<D> extends
34: DatabaseWriteInvocationStrategy<D, Connection, Savepoint> {
35: private Connection connection;
36:
37: /**
38: * @param cluster
39: * @param connection the connection from which to create savepoints
40: */
41: public SavepointInvocationStrategy(DatabaseCluster<D> cluster,
42: Connection connection) {
43: super (cluster.getTransactionalExecutor());
44:
45: this .connection = connection;
46: }
47:
48: /**
49: * @see net.sf.hajdbc.sql.DatabaseWriteInvocationStrategy#invoke(net.sf.hajdbc.sql.SQLProxy, net.sf.hajdbc.sql.Invoker)
50: */
51: @Override
52: public Savepoint invoke(SQLProxy<D, Connection> proxy,
53: Invoker<D, Connection, Savepoint> invoker) throws Exception {
54: return ProxyFactory
55: .createProxy(Savepoint.class,
56: new SavepointInvocationHandler<D>(
57: this.connection, proxy, invoker, this
58: .invokeAll(proxy, invoker)));
59: }
60: }
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