Lets look at it this way, class A can be initialized with different params.
say then we will have running instances of A like A(device1) A(device2) A(device3) etc, so the class type is the same but it has only initilized with different params, so how can I give it different loggers , even if I initialize loggers depending on e.g. device1, device2, etc these names can not be known during coding and I have to be able to change the loggin level during run time. btw, please keep in mind that I am pretty new in using log4j , I'm still kind of confused as how the inheritance will work in here and how can I create different catagories of loggers. -----Original Message----- From: Shapira, Yoav [mailto:[EMAIL PROTECTED] Sent: 14 November 2003 14:06 To: Log4J Developers List Subject: RE: Instance logging Howdy, You would have to use different logger names for the different forms. Either with a hashcode based approach or by just assigning them names, e.g. "loggerForDevice1" and "loggerForDevice2". But it sound like you might also just want to make them different classes (probably subclasses of a common parent). Yoav Shapira Millennium ChemInformatics >-----Original Message----- >From: Sahraei Sasan-ssahra01 [mailto:[EMAIL PROTECTED] >Sent: Friday, November 14, 2003 8:59 AM >To: 'Log4J Developers List' >Subject: RE: Instance logging > >I want to change the logging level while instances of the same class are >running, so this makes it difficult as how do I know that is the output of > >getClass() + String.valueOf(hashCode()) > >because I want to change the level from the log4j.properties. > >What I want to know if, say, multiple forms (of the same class type) are >running to monitor different devices, let's say one them is behaving >strange, so I need to change the debug level of only that one. > >S. > > >-----Original Message----- >From: Shapira, Yoav [mailto:[EMAIL PROTECTED] >Sent: 14 November 2003 13:53 >To: Log4J Developers List >Subject: RE: Instance logging > > > >Howdy, >You can't if you associate the logger with the class rather than the >instance, which is what most people do. Most people do something like: >private static final Logger LOGGER = Logger.getLogger(ThisClass.class); > >In that case all instances of ThisClass at runtime share the same >logger. However, there's nothing to prevent you from having different >loggers for each instance. For example, you could do: > >private Logger logger; > >public ThisClass() { > logger = Logger.getLogger(getClass() + String.valueOf(hashCode()); >} > >Then you can individually modify the level for the Logger if you're >given the ThisClass object. > >But this is kind of unusual, why do you want to do it? > >Yoav Shapira >Millennium ChemInformatics > > >>-----Original Message----- >>From: Sahraei Sasan-ssahra01 [mailto:[EMAIL PROTECTED] >>Sent: Friday, November 14, 2003 8:49 AM >>To: 'Log4J Developers List' >>Subject: Instance logging >> >>Hi, >> >>A question about log4j. Is I create a category of logging for a class >type >>and during run time if multiple instances of that class are running and >I >>just want to change the logging level for only one running instance of >that >>class type, what would be the way? >> >>Thanks, >>S. >> >>--------------------------------------------------------------------- >>To unsubscribe, e-mail: [EMAIL PROTECTED] >>For additional commands, e-mail: [EMAIL PROTECTED] > > > > >This e-mail, including any attachments, is a confidential business >communication, and may contain information that is confidential, >proprietary and/or privileged. This e-mail is intended only for the >individual(s) to whom it is addressed, and may not be saved, copied, >printed, disclosed or used by anyone else. If you are not the(an) intended >recipient, please immediately delete this e-mail from your computer system >and notify the sender. Thank you. > > >--------------------------------------------------------------------- >To unsubscribe, e-mail: [EMAIL PROTECTED] >For additional commands, e-mail: [EMAIL PROTECTED] > >--------------------------------------------------------------------- >To unsubscribe, e-mail: [EMAIL PROTECTED] >For additional commands, e-mail: [EMAIL PROTECTED] This e-mail, including any attachments, is a confidential business communication, and may contain information that is confidential, proprietary and/or privileged. This e-mail is intended only for the individual(s) to whom it is addressed, and may not be saved, copied, printed, disclosed or used by anyone else. If you are not the(an) intended recipient, please immediately delete this e-mail from your computer system and notify the sender. Thank you. --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
