01: /*
02: * hgcommons 7
03: * Hammurapi Group Common Library
04: * Copyright (C) 2003 Hammurapi Group
05: *
06: * This program is free software; you can redistribute it and/or
07: * modify it under the terms of the GNU Lesser General Public
08: * License as published by the Free Software Foundation; either
09: * version 2 of the License, or (at your option) any later version.
10: *
11: * This program is distributed in the hope that it will be useful,
12: * but WITHOUT ANY WARRANTY; without even the implied warranty of
13: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14: * Lesser General Public License for more details.
15: *
16: * You should have received a copy of the GNU Lesser General Public
17: * License along with this library; if not, write to the Free Software
18: * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19: *
20: * URL: http://www.hammurapi.biz/hammurapi-biz/ef/xmenu/hammurapi-group/products/products/hgcommons/index.html
21: * e-Mail: support@hammurapi.biz
22: */
23: package biz.hammurapi.util;
24:
25: import java.rmi.RemoteException;
26:
27: import org.w3c.dom.Element;
28: import org.w3c.dom.Node;
29:
30: import biz.hammurapi.config.ConfigurationException;
31: import biz.hammurapi.config.Context;
32: import biz.hammurapi.config.RmiComponent;
33:
34: /**
35: * Exposes local worker as remote
36: * @author Pavel Vlasov
37: * @revision $Revision$
38: */
39: public class WorkerRemotizer extends RmiComponent implements
40: RemoteWorker {
41: private String masterRef;
42: private Worker master;
43:
44: public WorkerRemotizer() throws RemoteException {
45: super ();
46: }
47:
48: public boolean post(Runnable job) {
49: return master.post(job);
50: }
51:
52: public void configure(Node configNode, Context context) {
53: super .configure(configNode, context);
54: Element ce = (Element) configNode;
55: if (ce.hasAttribute("worker-ref")) {
56: masterRef = ce.getAttribute("worker-ref");
57: }
58: }
59:
60: public void start() throws ConfigurationException {
61: super .start();
62: if (owner instanceof Context) {
63: master = (Worker) ((Context) owner).get(masterRef);
64: } else {
65: throw new ConfigurationException(
66: "Cannot lookup master - owner is not a context");
67: }
68: }
69:
70: }
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