History of object-oriented methods and notation Before UML 1. The timeline see image shows the highlights of the history of object-oriented modeling methods and notation.
Addition of profiles as UML extensions grouped together. Updated visibility of features. Stick arrowhead in interaction diagrams now denotes asynchronous call.
Model element may now have multiple stereotypes. Refined definitions of components and related concepts. Artifact was added to represent physical representations of components. Collaboration diagrams were renamed to communication diagrams.
Activity diagrams and sequence diagrams were enhanced. Activities were redesigned to use a Petri-like semantics.
Edges can now be contained in partitions. Partitions can be hierarchical and multidimensional. Explicitly modeled object flows are new. Classes have been extended with internal structures and ports composite structures. Information flows were added. A collaboration now is a kind of classifier, and can have any kind of behavioral descriptions associated.
Interactions are now contained within classifiers and not only within collaborations. It is now possible for use cases to be owned by classifiers in general and not just packages.
New notation for concurrency and branching using combined fragments. Components can no longer be directly deployed to nodes. Artifacts should be deployed instead.
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Artifacts can now manifest any packageable element not just components, as before. It is now possible to deploy to nodes with an internal structure. New metaclasses were added: Integration between structural and behavioral models was improved with better support for executable models.
The UML specification was re-written "to make it easier to read". For example, they tried to "reduce forward references as much as possible". There are no longer two separate infrastructure and superstructure documents, the UML 2.
Package merge is no longer used within the specification. Information flowsmodelsand templates are no longer auxiliary UML constructs.
At the same time, use casesdeploymentsand the information flows became "supplementary concepts" in UML 2. They also moved and rephrased definition of qualifiers.
There are few clarifications and fixes for stereotypes, state machines, and activities. Use cases are no longer required to express some needs of actors and to be initiated by an actor. Noticed a spelling error?Welcome to the Unified Modeling Language™ (UML®) website. Feel free to browse news and articles on UML, success stories, available certification and training, along with the current specifications.
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“If you are a serious user of UML, there is no other book quite like this one. I have been involved with the UML specification process for some time. UML stands for Unified Modeling Language. UML helped extend the original UML specification to cover a wider portion of software development efforts including agile practices.
Improved integration between structural models like class diagrams and behavior models like activity diagrams. The Unified Modeling Language (UML) is a general-purpose, developmental, modeling language in the field of software engineering, that is intended to provide a standard way to visualize the design of a system..
The creation of UML was originally motivated by the desire to standardize the disparate notational systems and approaches to software design.
The Unified Modeling Language (UML) was created to forge a common, semantically and syntactically rich visual modeling language for the architecture, design, and implementation of complex software systems both structurally and behaviorally. Book Description.
For nearly ten years, the Unified Modeling Language (UML) has been the industry standard for visualizing, specifying, constructing, and documenting the artifacts of a .