OCL Expressions
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* Initially, OCL was only a formal specification language extension to UML, but it may now be used with any Meta-Object Facility (MOF) and Object Management Group (OMG) meta-model, including UML.[2] | * Initially, OCL was only a formal specification language extension to UML, but it may now be used with any Meta-Object Facility (MOF) and Object Management Group (OMG) meta-model, including UML.[2] | ||
* OCL is a precise text language that provides constraint and object query expressions on any MOF model or meta-model that cannot otherwise be expressed by diagrammatic notation. OCL is a key component of the new OMG standard recommendation for transforming models, the Queries/Views/Transformations (QVT) specification. | * OCL is a precise text language that provides constraint and object query expressions on any MOF model or meta-model that cannot otherwise be expressed by diagrammatic notation. OCL is a key component of the new OMG standard recommendation for transforming models, the Queries/Views/Transformations (QVT) specification. | ||
==== Learn more: ==== | |||
==== [[Part 1 OCL Common Expressions]] ==== | ==== [[Part 1 OCL Common Expressions]] ==== | ||
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==== [[Part 3 OCL: Derivation properties|Part 3 OCL: Derivation Properties]] ==== | ==== [[Part 3 OCL: Derivation properties|Part 3 OCL: Derivation Properties]] ==== | ||
The MDriven Book - See also: [[Certain important constructs]] | |||
[[Category:OCL]] | [[Category:OCL]] | ||
[[Category:Beginner]] | [[Category:Beginner]] | ||
[[Category:The MDriven Book]] | [[Category:The MDriven Book]] | ||
Revision as of 05:53, 21 June 2023
The Object Constraint Language (OCL) is a declarative language for describing rules that apply to Unified Modeling Language (UML) models developed at IBM and is now a part of the UML standard.
- Initially, OCL was only a formal specification language extension to UML, but it may now be used with any Meta-Object Facility (MOF) and Object Management Group (OMG) meta-model, including UML.[2]
- OCL is a precise text language that provides constraint and object query expressions on any MOF model or meta-model that cannot otherwise be expressed by diagrammatic notation. OCL is a key component of the new OMG standard recommendation for transforming models, the Queries/Views/Transformations (QVT) specification.
Learn more:
Part 1 OCL Common Expressions
Part 2 OCL: Operators
Part 3 OCL: Derivation Properties
The MDriven Book - See also: Certain important constructs
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