Supporting runtime software architecture: A bidirectional-transformation-based approach

Abstract

Runtime software architectures (RSA) are architecture-level, dynamic representations of running software systems, which help monitor and adapt the systems at a high abstraction level. The key issue to support RSA is to maintain the causal connection between the architecture and the system, ensuring that the architecture represents the current system, and the modifications on the architecture cause proper system changes. The main challenge here is the abstraction gap between the architecture and the system. In this paper, we investigate the synchronization mechanism between architecture configurations and system states for maintaining the causal connections. We identify four required properties for such synchronization, and provide a generic solution satisfying these properties. Specifically, we utilize bidirectional transformation to bridge the abstraction gap between architecture and system, and design an algorithm based on it, which addresses issues such as conflicts between architecture and system changes, and exceptions of system manipulations. We provide a generative tool-set that helps developers implement this approach on a wide class of systems. We have successfully applied our approach on JOnAS JEE system to support it with C2-styled runtime software architecture, as well as some other cases between practical systems and typical architecture models.

The Method and Its Application of Project Management Modeling in Whole Life Cycle

“…IT project is throughout the ideological of system engineering [5]. As a comp lete system, a project can be distributed into a lot of units by system theory, whether one of the units is ignored will lead to failu re of the project.…”

The Program Is the Model: Enabling Transformations@run.time

“…The Sm@rt project [14] aims at model-based runtime system management. A meta-model mirroring a system management API is created, and each metamodel element is associated a template defining the Java code that is in charge of performing the mapping.…”

“…Applications of this approach can be found in [5,17], and some automatic mapping tools have been proposed to facilitate this task [11,14,15]. Given a meta-model that represents the API, models are injected from live objects or objects are created from a given model.…”

Model Driven Configuration of Fault Tolerance Solutions for Component-Based Software System

“…And the suitable FTS is chosen in step 2. [24] to propagate the change to the target system. SM@RT provides a domain-specific modeling language and a code generator to support modelbased runtime system management.…”

“…Based on our initial idea of supporting fault tolerance at software architecture level with the help of middleware [6], and an existing framework named SM@RT [2] [24] to support runtime model, we provide a systematic and automated framework with the help of runtime models, called SM@RT. The whole approach is divided into two phases.…”