As long as your classes exist in the ear at deploytime, it should be fine to USE an existing classloader (the thread context class loader) to dynamically load classes (e.g. Class.forName(threadContextClasLoader,nameOdClassToLoad).
/Johan Den 2003-03-13 14.07, skrev "Sven van't Veer" <[EMAIL PROTECTED]>: > I have the following scenario: > > A Message Driven Bean recieves an Object Message which contains one or = > more Value Objects. A constantly changeing set of business rules must = > then be applied on these value objects. These rules can be defined by = > simple activity diagrams, either yes-no decisions or actions (typically = > database updates or inserts). I therefore want to create a rule engine = > (non ejb) which can be configured by XML. The decisions should implement = > a Decision interface while the Actions must implement an Action = > interface. Since at compiletime these classes are not known, they should = > be loaded at runtime whenever the XML has been touched. > > I know that the EJB should not create a classloader, in my case, i=B4d = > leave this to my rules engine, that way it will be plugable to any = > component i define in the future. However, having a 'helperclass' which = > is called by the MDBean load these classes is IMHO circumventing the = > specs. Am I right here ?? > > My actual question being, should I imlpement this engine as a JCA ? = > Would this give me any problems when my Actions need to access other = > EJB=B4s running on the same machine ? > > ==========================================================================To > unsubscribe, send email to [EMAIL PROTECTED] and include in the body > of the message "signoff EJB-INTEREST". For general help, send email to > [EMAIL PROTECTED] and include in the body of the message "help". > =========================================================================== To unsubscribe, send email to [EMAIL PROTECTED] and include in the body of the message "signoff EJB-INTEREST". For general help, send email to [EMAIL PROTECTED] and include in the body of the message "help".
