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Erschienen in:
2008 | OriginalPaper | Buchkapitel
On State Classes and Their Dynamic Semantics
verfasst von : Ferruccio Damiani, Elena Giachino, Paola Giannini, Emanuele Cazzola
Erschienen in: Software and Data Technologies
Verlag: Springer Berlin Heidelberg
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We introduce
state classes
, a construct to program objects that can be safely concurrently accessed. State classes model the notion of object’s
state
(intended as some abstraction over the value of fields) that plays a key role in concurrent object-oriented programming (as the
state
of an object changes, so does its coordination behavior). We show how state classes can be added to Java-like languages by presenting
StateJ
, an extension of
Java
with state classes. The operational semantics of the state class construct is illustrated both at an abstract level, by means of a core calculus for
StateJ
, and at a concrete level, by defining a translation from
StateJ
into
Java
.