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The allocate activity partition is a behavior allocation ( Figure 4.25 ).
242 CHAPTER 4 SysML??”The Systems Modeling Language
4.4.3 Table Notation
In addition to the requirement diagrams, SysML extends also the area of allocations
by a way to represent allocation relationships in table notation ( Figure 4.26 ).
An additional matrix representation is defi ned as well ( Figure 4.27 ). This representation
is of general interest for all types of relationships, but presently SysML
describes it only for allocations.
4.5 Block Diagrams
The central elements in object orientation are classes and objects. Closely related
to classes are components in UML as well. Since the two terms are historically
at home in the software development discipline, SysML doesn ??™ t use them in this
form. All static concepts and objects are blocks in SysML.
Blocks describe the structure of a system. They possess information about
the block itself (attribute), or they reference other blocks they are bound with
FIGURE 4-26
Allocation relationships in table notation.


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