component
A modular part of a system design that hides its implementation behind a set of external interfaces. Within a system, components satisfying the same interfaces may be substituted freely.
Semantics
A component describes a modular piece of a logical or physical system whose externally visible behavior can be described much more concisely than its implementation. The externally visible behavior is represented as a set of interfaces, possibly with attached behaviors, such as protocol state machines or use cases, for additional detail. A system specifies its implementation using slots that hold components satisfying specific interfaces. Any component that satisfies the set of interfaces can be substituted in a slot. The separation between ...
Get Unified Modeling Language Reference Manual, The, Second Edition now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
