Program structures appropriate for concurrency are often in conflict with object-oriented principles. Especially average programmers need high-level language constructs for concurrency with good integration into the object-oriented paradigm. A key concept in this respect is better static knowledge of the data flow. We propose to explicitly specify the flow of data accessibility in a program. Th...

In distributed applications, multiple objects cooperate to achieve some objectives. Each object is manipulated through an operation supported by the object and then the operation may further invoke operations of other objects, i.e. nested operations. Purpose-oriented access rules indicate what operation in each object can invoke operations of other objects. Information flow among the objects oc...

The distributed nature of routing and flow control in a register-insertion ring topology complicates priority enforcement for real-time systems. Two divergent approaches for priority enforcement for ringbased networks are reviewed: a node-oriented scheme called Preemptive Priority Queue and a ring-wide arbitration approach dubbed TRAIN. This paper introduces a hybrid protocol named Directed Flo...

Preventing information leakage during system execution is essential for a system that manages sensitive information. The prevention can be achieved through information flow control. Many information flow control models have been developed, in which most are for object-oriented systems. In our opinion, the procedural C language is still in used heavily. Therefore, an information flow control mod...

I. INTRODUCTION Object-oriented design and development are popular concepts in today's software development environment. They are often heralded as the silver bullet for solving software problems. While in reality there is no silver bullet, object-oriented development has proved its value for systems that must be maintained and modified. Object-oriented software development requires a different...

Transparent data flow metrics and control flow metrics had no main concern which to be handled by a compiler. Nowadays similar hardware and multithreaded coding is increased. Consequently, both data flow and control flow become more important in analyses the reusability and maintainability. The present analysis of source code and the ability of metrics are incompetent to predict the actual amou...

As tools for dynamic system modelling both conventional methods such as transfer function or state space representation and modern power flow based methods are available. The latter methods do not depend on energy domain, are able to preserve physical system structures, visualize power conversion or coupling or split, identify power losses or storage, run on conventional software and emphasize ...

The purpose of this investigation was to examine the relationships among perceived motivational climate, individuals' goal orientations, and dispositional flow, with attention to possible gender differences. A sample of 413 young athletes, ages 12 to 16 years, completed the Perceived Motivational Climate in Sport Questionnaire-2 (PMCSQ-2) and Perception of Success Questionnaire (POSQ), as well ...