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Implementing Safe Sharing Features for Encore
Uppsala University, Disciplinary Domain of Science and Technology, Mathematics and Computer Science, Department of Information Technology.
2017 (English)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
Abstract [en]

Actor isolation is an important property in parallel and concurrent programs that utilize the actor model. However, when expressing certain patterns isolation can sometimes be too strong and forces complexity on actors. To address this problem, two new language constructs have been introduced: Bestow allows an actor to delegate a part of its interface to its internal objects; Atomic enables grouping of messages which requires them to be handled in sequence. This thesis discusses several valid designs which are compared in the context of an object-oriented and actor based language called Encore. Bestow and atomic have proven to simplify several patterns and to minimize the complexity of actors by decoupling classes and allowing for granular interfaces. This additional abstraction comes with some overhead at run-time which there is plenty of room for reducing in future work. Equipped with these new tools a programmer can simplify complex concurrency patterns, allowing them to focus on the main task at hand.

Place, publisher, year, edition, pages
2017. , p. 36
Series
IT ; 17039
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:uu:diva-341409OAI: oai:DiVA.org:uu-341409DiVA, id: diva2:1181284
Educational program
Bachelor Programme in Computer Science
Supervisors
Examiners
Available from: 2018-03-07 Created: 2018-02-08 Last updated: 2018-03-07Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
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Language
  • de-DE
  • en-GB
  • en-US
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  • nn-NO
  • nn-NB
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  • Other locale
More languages
Output format
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  • asciidoc
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