Uahhh, thanks for pointing out this information, I was way to fast to reply on the said question - I recalled it wrong. Indeed documentation is right here, they need to be thread safe - sorry for causing misunderstanding here.
Anyway, this does not answer the question if interceptor parameters introduce thread safety issues. The builder mechanism is a little complicated here, but AFAIK Interceptor instances are unique to the scope they are configured in. I will check this tonight to ensure we do not face a problem here with current implementation and hopefully can provide a reliable answer then. Regards, Rene <interceptor name=" Am Mo, 9.07.2007, 15:01, schrieb Hoying, Ken: > Thanks, Rene! > > Someone might want to update the documentation to make this clearer. > The following document seems to indicate otherwise: > > http://struts.apache.org/2.x/docs/writing-interceptors.html > > Thread Safety > Interceptors must be thread-safe! > > A Struts 2 Action instance is created for every request and do not need > to be thread-safe. Conversely, Interceptors are shared between requests > and must be thread-safe. > > -----Original Message----- > From: Rene Gielen [mailto:[EMAIL PROTECTED] > Sent: Sunday, July 08, 2007 7:00 AM > To: Struts Users Mailing List > Subject: Re: [S2] Interceptor Question (Thread Safety) > > Ken, > > there is no problem at all since s2 interceptor instances, as well as > action instances, are created per ActionInvokation, which means they are > always operated in a single thread. > > Regards, > Rene > > Hoying, Ken schrieb: >> From what I understand from reading the documentation, interceptors >> are suppose to be thread safe. However, I have noticed that some of >> the interceptors do contain instance variables and I have seen some >> examples where these variables are set or modified from with in the >> action configurations. >> >> For example, the File Upload interceptor allows you to set the >> maximumSize and allowedTypes. Is this going to work if I have 2 >> different actions each allowing different maximumSize and > allowedTypes? >> This does not seem thread safe to me. Is there only one instance of >> the interceptors or does maybe each action mapping have its own >> instance of the interceptors? >> >> Thanks in advance, >> Ken >> >> >> >> ----------------------------------------- >> ***Note:The information contained in this message may be privileged >> and confidential and protected from disclosure. If the reader of this >> message is not the intended recipient, or an employee or agent >> responsible for delivering this message to the intended recipient, you > >> are hereby notified that any dissemination, distribution or copying of > >> this communication is strictly prohibited. If you have received this >> communication in error, please notify the Sender immediately by >> replying to the message and deleting it from your computer. Thank you. > >> Premier Inc. > > > -- > Rene Gielen | http://it-neering.net/ > Aachen | PGP-ID: BECB785A > Germany | gielen at it-neering.net > > --------------------------------------------------------------------- > 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] > > -- Rene Gielen | http://it-neering.net/ Aachen | PGP-ID: BECB785A Germany | gielen at it-neering.net --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
