CSP-OZ: a combination of object-Z and CSP
FMOODS '97 Proceedings of the IFIP TC6 WG6.1 international workshop on Formal methods for open object-based distributed systems
Interface Theories for Component-Based Design
EMSOFT '01 Proceedings of the First International Workshop on Embedded Software
Glass-Box and Black-Box Views on Object-Oriented Specifications
SEFM '04 Proceedings of the Software Engineering and Formal Methods, Second International Conference
The STSLib Project: Towards a Formal Component Model Based on STS
Electronic Notes in Theoretical Computer Science (ENTCS)
Refinement of Interface Automata Strengthened by Action Semantics
Electronic Notes in Theoretical Computer Science (ENTCS)
Modal I/O automata for interface and product line theories
ESOP'07 Proceedings of the 16th European conference on Programming
Behaviour Protocols for Interacting Stateful Components
Electronic Notes in Theoretical Computer Science (ENTCS)
On weak modal compatibility, refinement, and the MIO workbench
TACAS'10 Proceedings of the 16th international conference on Tools and Algorithms for the Construction and Analysis of Systems
On modal refinement and consistency
CONCUR'07 Proceedings of the 18th international conference on Concurrency Theory
Building a modal interface theory for concurrency and data
WADT'10 Proceedings of the 20th international conference on Recent Trends in Algebraic Development Techniques
Component service promotion: contracts, mechanisms and safety
FACS'10 Proceedings of the 7th international conference on Formal Aspects of Component Software
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For the design of component-based software, the behavioral specification of component interfaces is crucial. We propose an extension of the theory of modal I/O-transition systems by Larsen et al. to cope with both control flow and data states of reactive components at the same time. In our framework, transitions model incoming or outgoing operation calls which are constrained by pre- and postconditions expressing the mutual assumptions and guarantees of the receiver and the sender of a message. We define a new interface theory by adapting synchronous composition, modal refinement and modal compatibility to the case of modal I/O-transition systems with data constraints. We show that in this formalism modal compatibility is preserved by refinement and modal refinement is preserved by composition which are basic requirements for any interface theory.