public void schedule(TimerEntity timer) {
Date duedate = timer.getDuedate();
if (duedate == null) {
throw new ActivitiException("duedate is null");
}
CommandContext commandContext = Context.getCommandContext();
commandContext.getDbSqlSession().insert(timer);
// Check if this timer fires before the next time the job executor will check for new timers to
// fire.
// This is highly unlikely because normally waitTimeInMillis is 5000 (5 seconds)
// and timers are usually set further in the future
JobExecutor jobExecutor = Context.getProcessEngineConfiguration().getJobExecutor();
int waitTimeInMillis = jobExecutor.getWaitTimeInMillis();
if (duedate.getTime() < (ClockUtil.getCurrentTime().getTime() + waitTimeInMillis)) {
// then notify the job executor.
commandContext
.getTransactionContext()
.addTransactionListener(
TransactionState.COMMITTED, new MessageAddedNotification(jobExecutor));
}
}
public void send(MessageEntity message) {
CommandContext commandContext = Context.getCommandContext();
commandContext.getDbSqlSession().insert(message);
JobExecutor jobExecutor = Context.getProcessEngineConfiguration().getJobExecutor();
commandContext
.getTransactionContext()
.addTransactionListener(
TransactionState.COMMITTED, new MessageAddedNotification(jobExecutor));
}
public Object execute(CommandContext commandContext) {
if (jobId == null) {
throw new ActivitiException("jobId is null");
}
if (log.isLoggable(Level.FINE)) {
log.fine("Executing job " + jobId);
}
JobEntity job = commandContext.getJobManager().findJobById(jobId);
if (job == null) {
throw new ActivitiException("No job found with id '" + jobId + "'");
}
JobExecutorContext jobExecutorContext = Context.getJobExecutorContext();
if (jobExecutorContext != null) { // if null, then we are not called by the job executor
jobExecutorContext.setCurrentJob(job);
}
try {
job.execute(commandContext);
} catch (RuntimeException exception) {
// When transaction is rolled back, decrement retries
CommandExecutor commandExecutor =
Context.getProcessEngineConfiguration().getCommandExecutorTxRequiresNew();
commandContext
.getTransactionContext()
.addTransactionListener(
TransactionState.ROLLED_BACK,
new DecrementJobRetriesListener(commandExecutor, jobId, exception));
// throw the original exception to indicate the ExecuteJobCmd failed
throw exception;
} finally {
if (jobExecutorContext != null) {
jobExecutorContext.setCurrentJob(null);
}
}
return null;
}
