01: /*
02: * Copyright (c) 1998-2008 Caucho Technology -- all rights reserved
03: *
04: * This file is part of Resin(R) Open Source
05: *
06: * Each copy or derived work must preserve the copyright notice and this
07: * notice unmodified.
08: *
09: * Resin Open Source is free software; you can redistribute it and/or modify
10: * it under the terms of the GNU General Public License as published by
11: * the Free Software Foundation; either version 2 of the License, or
12: * (at your option) any later version.
13: *
14: * Resin Open Source is distributed in the hope that it will be useful,
15: * but WITHOUT ANY WARRANTY; without even the implied warranty of
16: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
17: * of NON-INFRINGEMENT. See the GNU General Public License for more
18: * details.
19: *
20: * You should have received a copy of the GNU General Public License
21: * along with Resin Open Source; if not, write to the
22: *
23: * Free Software Foundation, Inc.
24: * 59 Temple Place, Suite 330
25: * Boston, MA 02111-1307 USA
26: *
27: * @author Scott Ferguson
28: */
29:
30: package com.caucho.server.deploy;
31:
32: /**
33: * The abstract strategy implements the start, update, and stop commands which
34: * are common to all strategies.
35: *
36: * <table>
37: * <tr><th>input <th>stopped <th>active <th>modified <th>error
38: * <tr><td>start <td>startImpl<td>- <td>restartImpl<td>restartImpl
39: * <tr><td>update <td>startImpl<td>- <td>restartImpl<td>restartImpl
40: * <tr><td>stop <td>- <td>stopImpl<td>stopImpl <td>stopImpl
41: * </table>
42: */
43: abstract public class AbstractDeployControllerStrategy implements
44: DeployControllerStrategy {
45:
46: /**
47: * Starts the instance. Called from an admin start.
48: *
49: * @param controller the owning controller
50: */
51: public <I extends DeployInstance> void start(
52: DeployController<I> controller) {
53: if (controller.isStopped()) {
54: // server/1d03
55: controller.startImpl();
56: } else if (controller.isModifiedNow()) {
57: // server/1d0p
58: controller.restartImpl();
59: } else if (controller.isError()) {
60: controller.restartImpl();
61: } else { /* active */
62: }
63: }
64:
65: /**
66: * Stops the instance from an admin command.
67: *
68: * @param controller the owning controller
69: */
70: public <I extends DeployInstance> void stop(
71: DeployController<I> controller) {
72: controller.stopImpl();
73: }
74: }
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