Abstract
Composite structures as in UML are a way to ease the development of complex applications. Composite classes contain sub-components that are instantiated, interconnected and configured along with the composite. Composites may also contain operations and further attributes. Their deployment on distributed platforms is not trivial, since their sub-components might be allocated to different computing nodes. In this case, the deployment implies a split of the composite. In this chapter, we will motivate why composites need to be allocated to different nodes in some cases by examining the particular case of interaction components. We will also discuss several options to achieve the separation and their advantages and disadvantages including modeling restrictions for the classes.
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Notes
- 1.
Preserving semantics of components is also important in order to be able to analyze them correctly [11].
- 2.
Assembly connectors are connections between inner parts; delegation connectors are connections from the composite to an inner part.
- 3.
Having specific support for interaction components is needed in order to be able to address the composite split in a systematic way.
- 4.
The Fractal Component Model, http://fractal.objectweb.org/specification/, last access on 07/02/2014.
- 5.
SOFA 2, http://sofa.ow2.org/, last access on 07/02/2014.
- 6.
Common Object Request Broker Architecture, http://www.corba.org/, last access on 07/02/2014.
- 7.
The Papyrus UML modeler, http://www.eclipse.org/papyrus, last access on 23/01/2014.
- 8.
In UML-like languages, connectors are always owned by a composite, i.e., a System composite must be kept.
- 9.
IBM Rational Rhapsody Developer, http://www-03.ibm.com/software/products/en/ratirhap/, last access on 04/02/2014.
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Radermacher, A., Gürcan, Ö., Cuccuru, A., Gérard, S., Hamid, B. (2015). Split of Composite Components for Distributed Applications. In: Louërat, MM., Maehne, T. (eds) Languages, Design Methods, and Tools for Electronic System Design. Lecture Notes in Electrical Engineering, vol 311. Springer, Cham. https://doi.org/10.1007/978-3-319-06317-1_14
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