Check out the LoggingSession class in the javadocs and look at this section in
the User Guide:
http://docs.jboss.org/jbpm/v3/userguide/logging.html. It's not much, but it's
a start. You can get a Map that contains the set of logs for each token. Each
entry in the map is for a token, therefore, any simple process will only have
one entry. You can retrieve that entry, which will return a List containing a
bunch of log events. There are different classes for different log events, so
you basically need to determine which log type an entry is, and that will
dictate which information you can get from that log entry. Here is a simple
little method I wrote that will loop through a process instance's logs and
print out some info about each entry.
| JbpmContext context = JbpmConfiguration.getInstance().createJbpmContext();
| try
| {
| Map processLogs =
|
context.getLoggingSession().findLogsByProcessInstance(processInstanceId);
|
| for (Iterator it = processLogs.keySet().iterator(); it.hasNext(); )
| {
| Object tokenLogKey = it.next();
| System.out.println("Loading Logs for Token: " + tokenLogKey);
| List logList = (List)processLogs.get(tokenLogKey);
| for (Iterator it2 = logList.iterator(); it2.hasNext(); )
| {
| Object logEntry = it2.next();
| System.out.println("LOG TYPE: " + logEntry.getClass().getName() + "
--> " + logEntry.toString());
| }
| }
| }
| finally
| {
| context.close();
| }
|
The above code is commented out in some class that I have, so I haven't used it
in a while, but it should work. If it doesn't, at least you should get the
point.
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