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From "Martin Kresse (JIRA)" <j...@apache.org>
Subject [jira] [Created] (IO-345) Supply a hook method allowing Tailer actively determining stop condition
Date Fri, 28 Sep 2012 11:01:07 GMT
Martin Kresse created IO-345:
--------------------------------

             Summary: Supply a hook method allowing Tailer actively determining stop condition
                 Key: IO-345
                 URL: https://issues.apache.org/jira/browse/IO-345
             Project: Commons IO
          Issue Type: Improvement
            Reporter: Martin Kresse


I am using the {{Tailer}} class on the server side and would like add some timeout checking
to automatically stop the tailer. With the current version, if I want to avoid the usage of
another thread, I can perform this check only inside the methods of the {{TailerListener}}.
If no events are generated (due to the tailed file not changing), this check would never be
executed.
Therefore I suggest the addition of a protected method, something like:
{code:title=Tailer.java|borderStyle=none}
protected boolean shouldRun() {
    return this.run;
}
{code}
Instead of testing the boolean variable {{run}}, the {{Tailer}} thread would call this method.
This would allow subclassing {{Tailer}} for adding some logic, which dynamically decides whether
the tailer should continue running or not. For users not needing this feature, nothing would
change.

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