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Posted to log4net-dev@logging.apache.org by "Michael Goldfinger (JIRA)" <ji...@apache.org> on 2013/11/26 10:26:35 UTC

[jira] [Commented] (LOG4NET-281) Insufficient Granularity on Log methods in ILog

    [ https://issues.apache.org/jira/browse/LOG4NET-281?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13832435#comment-13832435 ] 

Michael Goldfinger commented on LOG4NET-281:
--------------------------------------------

Ok, this issue is a bit old but I have to ask.
Since when and under which conditions is adding new methods to an interface (without changing the old ones) a breaking change?

> Insufficient Granularity on Log methods in ILog
> -----------------------------------------------
>
>                 Key: LOG4NET-281
>                 URL: https://issues.apache.org/jira/browse/LOG4NET-281
>             Project: Log4net
>          Issue Type: New Feature
>          Components: Core
>    Affects Versions: 1.2.10
>         Environment: All Environments
>            Reporter: Zev
>             Fix For: 1.3.0
>
>   Original Estimate: 2h
>  Remaining Estimate: 2h
>
> The driver for this change is that we are unable to log certain event types from the ILog object. While we can use the Logger object, it is easier to have them here.
> updated code:
> ILog.cs
>         //start new
>         void Emergency(object message);
>         void Emergency(object message, Exception e);
>         void Alert(object message);
>         void Alert(object message, Exception e);
>         void Critical(object message);
>         void Critical(object message, Exception e);
>         void Notice(object message);
>         void Notice(object message, Exception e);
>         //end new
> LogImpl.cs (in ReloadLevels)
>             //start new
>             m_levelEmergency = levelMap.LookupWithDefault(Level.Emergency);
>             m_levelAlert = levelMap.LookupWithDefault(Level.Alert);
>             m_levelCritical = levelMap.LookupWithDefault(Level.Critical);
>             m_levelNotice = levelMap.LookupWithDefault(Level.Notice);
>             //end new
> methods:
>         //start new
>         virtual public void Emergency(object message)
>         {
>             Logger.Log(ThisDeclaringType, m_levelEmergency, message, null);
>         }
>         virtual public void Emergency(object message, Exception exception)
>         {
>             Logger.Log(ThisDeclaringType, m_levelEmergency, message, exception);
>         }
>         virtual public void Alert(object message)
>         {
>             Logger.Log(ThisDeclaringType, m_levelAlert, message, null);
>         }
>         virtual public void Alert(object message, Exception exception)
>         {
>             Logger.Log(ThisDeclaringType, m_levelAlert, message, exception);
>         }
>         virtual public void Critical(object message)
>         {
>             Logger.Log(ThisDeclaringType, m_levelCritical, message, null);
>         }
>         virtual public void Critical(object message, Exception exception)
>         {
>             Logger.Log(ThisDeclaringType, m_levelCritical, message, exception);
>         }
>         virtual public void Notice(object message)
>         {
>             Logger.Log(ThisDeclaringType, m_levelNotice, message, null);
>         }
>         virtual public void Notice(object message, Exception exception)
>         {
>             Logger.Log(ThisDeclaringType, m_levelNotice, message, exception);
>         }
>         //end new
> private fields:
>         //start new
>         private Level m_levelEmergency;
>         private Level m_levelAlert;
>         private Level m_levelCritical;
>         private Level m_levelNotice;
>         //end new



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