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Figure 8-22 shows property-specific types in a model of facilities that includes factories and warehouses. Items flow through facilities, while resources operate on items.

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Figure 8-22: Property-specific types in facility example
SysMLv1: CAUTION: The notation and recommended use for PropertySpecificType changed significantly between SysMLv1.2 and SysMLv1.7. And the spec itself does not seem to use the new notation (which is also not supported by Cameo Systems Modeler v2024x)
Source
OMG Systems Modeling Language (SysML) 1.6
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About Object Management Group copyright in text extracts quoted from OMG specifications for educational purposes
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INFO
UML keywords
Classifier
Stereotype
Property
SysML keywords
PropertySpecificType
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Figure 8-22 shows property-specific types in a model of facilities that includes factories and warehouses. Items flow through facilities, while resources operate on items.
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Items in warehouses are assigned a location, while resources in factories indicate own much they are being used as a percentage of time. Only objects that are items in warehouses or resources in factories have these location and utilization properties.
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The PropertySpecificType stereotype can be applied to classifiers that type exactly one property and that are owned by the owner of that property. Classifiers with this stereotype applied shall be generalized by at most one other classifier.
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Items in warehouses are assigned a location, while resources in factories indicate own much they are being used as a percentage of time. Only objects that are items in warehouses or resources in factories have these location and utilization properties.
The properties appear when an item arrives in a warehouse or a resource is used in a factory, because they are classified as WarehouseItems and FactoryResources at that time, respectively
The properties disappear once an item leaves a warehouse or a resource is no longer used in a factory, because they are declassified as WarehouseItems and FactoryResources at that time, respectively.
Figure 8-23 shows the classification of a particular machine over time, identified by its serial number.
At first it is not an item or resource and is classified only as a machine. Before delivery to the factory, a new machine is stored in a warehouse, classified additionally as a warehouse item, and is assigned a storage location.
Then it is delivered to a factory, reclassified from a warehouse item to a factory resource (while still being a machine), and records the percentage of time it is operating.
The notation for properties typed by a property-specific type shows the name of the most specific generalization of the property-specific type that is not a property-specific type (or nothing if there is no generalization) between parentheses after the ..
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