public Object execute(Environment environment) throws Exception {
log.debug("handling job " + jobDbid + " exception: " + exception.getMessage());
// load the job from the db
DbSession dbSession = environment.get(DbSession.class);
if (dbSession == null) {
throw new JbpmException("no job-session configured to handle job");
}
JobImpl job = dbSession.get(JobImpl.class, jobDbid);
// serialize the stack trace
StringWriter sw = new StringWriter();
exception.printStackTrace(new PrintWriter(sw));
if (job != null) {
// decrement the number of retries
int decrementedRetries = job.getRetries() - 1;
log.debug("decrementing retries to " + decrementedRetries + " for " + job);
job.release();
job.setRetries(decrementedRetries);
job.setException(sw.toString());
// notify the job executor after the transaction is completed
Transaction transaction = environment.get(Transaction.class);
JobExecutor jobExecutor = environment.get(JobExecutor.class);
if ((transaction != null) && (jobExecutor != null)) {
log.trace("registering job executor notifier with " + transaction);
transaction.registerSynchronization(new JobAddedNotification(jobExecutor));
}
}
return null;
}
public Map<String, Object> execute(Environment environment) throws Exception {
Map<String, Object> variables = new HashMap<String, Object>();
DbSession dbSession = environment.get(DbSession.class);
TaskImpl task = dbSession.get(TaskImpl.class, Long.parseLong(taskId));
for (String variableName : variableNames) {
Object value = task.getVariable(variableName);
variables.put(variableName, value);
}
return variables;
}