Usually observer model works without know about the other observers in the system. Therefore, we should only do this if absolutely necessary. --Srinath
On Wed, Jan 19, 2011 at 1:46 PM, Hiranya Jayathilaka <hira...@wso2.com> wrote: > > > On Tue, Jan 18, 2011 at 5:26 PM, Shammi Jayasinghe <sha...@wso2.com> wrote: >> >> Hi , >> >> In the process of providing multi tenant support for CEP , there are two >> components (broker-manager and cep) that are needed to implement the >> interface Axis2ConfigurationContextObserver. >> In that case, i need to control the order of invoking of these >> implementations since CEP is depend on broker-manager and , broker manager >> has to load some resources from registry which are needed for CEP. >> >> >> What is the possible way to do this ? > > I think observers get notified in the order they were registered. So if you > can control the registration order, then you have a guarantee regarding the > order of notification. If not we will have to add a method to the observer > registration API which will enable the programmer to enforce this kind of > restrictions. For an example: > addAfter(Observer o1, Observer o2) > addBefore(Observer o1, Observer o2) > Thanks, > Hiranya > >> >> Thanks >> -- >> Best Regards, >> >> Shammi Jayasinghe >> Senior Software Engineer; WSO2, Inc.; http://wso2.com, >> mobile: +94 71 4493085 >> >> >> >> _______________________________________________ >> Carbon-dev mailing list >> Carbon-dev@wso2.org >> https://wso2.org/cgi-bin/mailman/listinfo/carbon-dev >> > > > > -- > Hiranya Jayathilaka > Senior Software Engineer; > WSO2 Inc.; http://wso2.org > E-mail: hira...@wso2.com; Mobile: +94 77 633 3491 > Blog: http://techfeast-hiranya.blogspot.com > > _______________________________________________ > Carbon-dev mailing list > Carbon-dev@wso2.org > https://wso2.org/cgi-bin/mailman/listinfo/carbon-dev > > -- ============================ Srinath Perera, Ph.D. Senior Software Architect, WSO2 Inc. Visiting Lecturer, University of Moratuwa Member, Apache Software Foundation Research Scientist, Lanka Software Foundation Blog: http://srinathsview.blogspot.com/ _______________________________________________ Carbon-dev mailing list Carbon-dev@wso2.org https://wso2.org/cgi-bin/mailman/listinfo/carbon-dev
