Books for you

This means that it describes the internal structure of a block. The diagram
corresponds to the UML composite structure diagram described in Section 3.4.
FIGURE 4-29
The notation for blocks.
bdd [package] Card reader
constraints
{rate  32}
parts
c:Chip
fastening:Suction cup
g:Enclosure
references
card:Customer card
operations
led(f:color, blinking:Boolean)
values
frequency:MHz
rate:kBaud
?«interval?» {min20, max65} operatingTemperature:Celsius
?«block?»
{encapsulated}
Card reader
245 4.5 Block Diagrams
FIGURE 4-30
A block with a ???compartment??? structure.
bdd On-board computer [customer card detail view]
structure
?«block?»
Customer card
s:Coil
c:Chip
:Current
<>
<> <>
m:Energy
:Current
?«block?»
Card reader
?«block?»
On-board computer
card
0..1
You can see in Figure 4.31 that the types card reader and customer card of
two roles, protoreader7 and protocard1 , are enclosed by square brackets. They
have been extended specifi cally??”for this context only??”by initial values for properties.


Pages:
433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457