Item Flow vs Connectors with Conveyed Info

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Item Flow vs Connectors with Conveyed Info

Postby gene.rosenthal@lmco.com » Tue Jun 05, 2018 3:45 pm

Hi, probably a simple question, but can some explain to me the difference between an Item Flow vs. a Connector with Conveyed Information on an IBD?

Thanks,
Gene
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Re: Item Flow vs Connectors with Conveyed Info

Postby jovita.bankauskaite@nomagic.com » Wed Jun 13, 2018 2:17 am

Hello,
Thank you for your question.

An Information Flow is a directed UML relationship that is used as a specification of some kind of "information channel" for unidirectional transmission of information from sources to targets. Information moving along the information channel may be represented by abstract information items. An information item represents many kinds of information that flows through a system along the information flows. So, only conveyed information can be created in UML.

An Item Flow is a SysML stereotype applied to Information Flow. An Item Flow is used to specify the items that flow across a connector in a particular context. An Item Flow specifies the type of the item that is flowing and the direction of flow. It may also be associated to a property, called an item property, of the enclosing block to identify a specific usage of an item in the context of the enclosing block.

When you create an Item Flow, a Conveyed Information is created automatically, e.g. by dropping the signal on the connector, the item flow (not only it), which conveyed classifier is a signal, and conveyed information are created.

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No Magic, Inc. Customer Support
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