01: /*
02: * JBoss, Home of Professional Open Source
03: * Copyright 2005, JBoss Inc., and individual contributors as indicated
04: * by the @authors tag. See the copyright.txt in the distribution for a
05: * full listing of individual contributors.
06: *
07: * This is free software; you can redistribute it and/or modify it
08: * under the terms of the GNU Lesser General Public License as
09: * published by the Free Software Foundation; either version 2.1 of
10: * the License, or (at your option) any later version.
11: *
12: * This software is distributed in the hope that it will be useful,
13: * but WITHOUT ANY WARRANTY; without even the implied warranty of
14: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15: * Lesser General Public License for more details.
16: *
17: * You should have received a copy of the GNU Lesser General Public
18: * License along with this software; if not, write to the Free
19: * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20: * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
21: */
22: package org.jbpm.logging.db;
23:
24: import org.hibernate.Session;
25: import org.jbpm.JbpmContext;
26: import org.jbpm.JbpmException;
27: import org.jbpm.logging.LoggingService;
28: import org.jbpm.logging.log.ProcessLog;
29:
30: public class DbLoggingService implements LoggingService {
31:
32: private static final long serialVersionUID = 1L;
33:
34: Session session = null;
35:
36: public DbLoggingService() {
37: JbpmContext currentJbpmContext = JbpmContext
38: .getCurrentJbpmContext();
39: if (currentJbpmContext == null) {
40: throw new JbpmException(
41: "instantiation of the DbLoggingService requires a current JbpmContext");
42: }
43: session = currentJbpmContext.getSession();
44: }
45:
46: public void log(ProcessLog processLog) {
47: if (session != null) {
48: // Improvement suggestions by Max :
49: // db-level: use some hilo based id strategy to avoid repetitive insert. (dependent on db-lock)
50: // sessionwise: use statelesssession or at least different session
51: // can we borrow connection safely. Nag Steve. (open ontop of another session)
52: session.save(processLog);
53: }
54: }
55:
56: public void close() {
57: }
58: }
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