Programming and Deployment of Active Objects with Application-Level Scheduling \n

Abstract

We extend and implement a modeling language based on \nconcurrent active objects with application-level scheduling \npolicies. The language allows a programmer to assign pri- \norities at the application level, for example, to method def- \ninitions and method invocations, and assign corresponding \npolicies to the individual active objects for scheduling the \nmessages. Thus, we leverage scheduling and performance \nrelated issues, which are becoming increasingly important \nin multi-core and cloud applications, from the underlying \noperating system to the application level. We describe a \ntool-set to transform models of active objects extended with \napplication-level scheduling policies into Java. This tool-set \nallows a direct use of Java class libraries; thus, we obtain a \nfull-fledged programming language based on active objects \nwhich allows for high-level control of deployment related is- \nsues. \