Prev | Current Page 436 | Next

Tim Weilkiens

"Systems Engineering with SysML/UML: Modeling, Analysis, Design"

You can see examples in
Figure 2.81 and Figure 4.22 .
The behavior allocation is used to allocate a behavior (e.g., an activity, or a
single action) to a block that realizes this behavior.
FIGURE 4-21
Example for an object fl ow allocation.
4.4 Allocation
ibd [block] On-board computer [selection] act Identify customer
:Card reader
:On-board computer
control
Read card
Card data
Identify
customer
Card data
kd
Customer
Customer
allocatedTo
?«connector?» card readerC
Card readerC
allocatedFrom
?«objectflow?» kd
FIGURE 4-22
The notation for allocations.
bdd [package] Design [card reader port]
Concrete design Logical design
?«block?»
On-board computer
control
?«block?»
On-board computer
control
k:CardReaderPort r:RS232
?«allocate?»
240 CHAPTER 4 SysML??”The Systems Modeling Language
4.4.1 Allocation
4 The strict separation of structure and behavior is not object-oriented. A particular characteristic of
an object (block) is the unification of structure and behavior in the form of attributes and operations.


Pages:
424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448