Re: XMPP Java bot loop question [follow-up]

From:
Sabine Dinis Blochberger <no.spam@here.invalid>
Newsgroups:
comp.lang.java.help
Date:
Thu, 02 Aug 2007 10:48:06 +0100
Message-ID:
<46b1a85c$0$5728$a729d347@news.telepac.pt>
Well, I have changed a few things, and it's seemingly working Ok. Any
and all tips are welcome, since I'm just going trial-and-error.

First of all, implement Runnable and have an extra thread instance:

public class BotMain implements Runnable {
    
    private static Thread mainloop = null;

    // ...

    public static void main(String[] args) throws Throwable {
        BotMain bot = new BotMain();
        // ...
        try {
            addShutDownHook();
            // connect DB and XMPP
            // ...
        } catch (final Throwable e) {
            logger.fatal("Startup failed", e); // <- this doesn't log to
logfile now
            shutdown();
            System.exit(1);
            return;
        }
        
        mainloop = new Thread(bot);
        if (mainloop != null) {
            mainloop.start();
        }
    }

    protected static void addShutdownHook() {
        Runtime.getRuntime().addShutdownHook( new Thread() {
            public void run() { BotMain.shutdown(); }});
    }

    
    // ...

    public void run() {
        while (!isShutdownRequested()) { // set in shutdown(), which is
called from the shutdown hook
            Thread.currentThread().yield();
        }
    }

The logging problem is one that sticks out right now.
I have tried wrapping the log call in an invokeLater(), but no effect -
the exception shows up in Netbeans but not in the logfile.

--
Sabine Dinis Blochberger

Op3racional
www.op3racional.eu

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