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Re: java still worthwhile?

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On 2019-02-27 21:33, Martin Gregorie wrote:
> On Wed, 27 Feb 2019 15:36:30 +0100, Daniele Futtorovic wrote:
> 
>> On 2019-02-27 01:24, Martin Gregorie wrote:
>>> Writing trace output to a circular buffer that only gets dumped at a
>>> crash or fatal error is also good for long-running processes
>>
>> Much agreed. Out of curiosity, how do you handle the trigger?
> 
> Its boringly straight-forward. I have a ReportError class that writes all 
> tracing, warning and error messages to stderr. It also implements a trace 
> level concept to make tracing verbosity controllable as well as turning 
> tracing on or off for the current run. Trace level zero is no tracing. 
> Increasing the trace level increases the amount of detail output. Since 
> the first parameter of the various trace() methods is the trace level, a 
> programmer can use the trace level as he sees fit to control what it 
> traced. I usually use level 1 to trace top level method exit, level 2 
> adds tracing top-level method entry and higher levels to add 
> progressively more details (contents of local variables, nested method 
> calls, etc.).
>  
> ReportError also has methods that enable a circular buffer and configure 
> its size. Using them causes all trace() messages to be written to the 
> buffer. Whenever ReportError warn() or error() methods are called the 
> circular buffer contents are output immediately before the "Warning: xxxx" 
> or "Error: xxxx" message. The only difference between the two (apart from 
> the prefix) is that error() ends the run while warn() doesn't. 

Thanks.

No logging framework? Or at least, none of the established ones? Is that
really a good idea?

-- 
DF.

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java still worthwhile? dale <dale@dalekelly.org> - 2019-02-26 17:25 -0500
  Re: java still worthwhile? dale <dale@dalekelly.org> - 2019-02-26 18:37 -0500
    Re: java still worthwhile? Daniele Futtorovic <da.futt.news@laposte-dot-net.invalid> - 2019-02-27 15:36 +0100
      Re: java still worthwhile? Martin Gregorie <martin@mydomain.invalid> - 2019-02-27 20:33 +0000
        Re: java still worthwhile? Daniele Futtorovic <da.futt.news@laposte-dot-net.invalid> - 2019-02-28 23:16 +0100
          Re: java still worthwhile? Martin Gregorie <martin@mydomain.invalid> - 2019-02-28 23:24 +0000
  Re: java still worthwhile? Eric Sosman <esosman@comcast-dot-net.invalid> - 2019-02-27 07:28 -0500
    Re: java still worthwhile? dale <dale@dalekelly.org> - 2019-02-27 09:32 -0500
  Re: java still worthwhile? Eric Douglas <e.d.programmer@gmail.com> - 2019-02-27 05:18 -0800
    Re: java still worthwhile? dale <dale@dalekelly.org> - 2019-02-27 16:34 -0500
  Re: java still worthwhile? Joerg Meier <joergmmeier@arcor.de> - 2019-03-01 11:10 +0100
    Re: java still worthwhile? dale <dale@dalekelly.org> - 2019-03-01 10:11 -0500
      Re: java still worthwhile? Eric Douglas <e.d.programmer@gmail.com> - 2019-03-01 07:22 -0800
        Re: java still worthwhile? dale <dale@dalekelly.org> - 2019-03-01 13:34 -0500
      Re: java still worthwhile? Arne Vajhøj <arne@vajhoej.dk> - 2019-03-01 22:07 -0500
      Re: java still worthwhile? Joerg Meier <joergmmeier@arcor.de> - 2019-03-05 09:40 +0100
        Re: java still worthwhile? dale <dale@dalekelly.org> - 2019-03-05 09:33 -0500
  Re: java still worthwhile? Arne Vajhøj <arne@vajhoej.dk> - 2019-03-01 22:09 -0500

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