On Wednesday, January 19, 2011, Srinath Perera <[email protected]> wrote: > 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 <[email protected]> wrote: >> >> >> On Tue, Jan 18, 2011 at 5:26 PM, Shammi Jayasinghe <[email protected]> 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 >>> [email protected] >>> https://wso2.org/cgi-bin/mailman/listinfo/carbon-dev >>> >> >> >> >> -- >> Hiranya Jayathilaka >> Senior Software Engineer; >> WSO2 Inc.; http://wso2.org >> E-mail: [email protected]; Mobile: +94 77 633 3491 >> Blog: http://techfeast-hiranya.blogspot.com >> >> _______________________________________________ >> Carbon-dev mailing list >> [email protected] >> 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 > [email protected] > https://wso2.org/cgi-bin/mailman/listinfo/carbon-dev >
-- Sameera Jayasoma Technical Lead and Product Manager, WSO2 Carbon WSO2, Inc. (http://wso2.com) email: [email protected] blog: http://tech.jayasoma.org Lean . Enterprise . Middleware _______________________________________________ Carbon-dev mailing list [email protected] https://wso2.org/cgi-bin/mailman/listinfo/carbon-dev
