Events fired pre- and post-method execution

摘要

Customization of source code of a software program like a business application is enabled without modifying the source code of the software. External pieces of source code may be executed prior to, and/or following the invocation of selected methods. The external methods executed prior to a designated method call may change the parameter values that the designated method gets called with, and the methods executed after the designated method has been called may change a value returned from the designated method.