![]() They collaborate in performing some task. A Collaboration is a collection of named objects and actors with links connecting them.It is an international award-winning UML modeler, and yet it is easy-to-use, intuitive & completely free. Learn UML Faster, Better and EasierĪre you looking for a Free UML tool for learning UML faster, easier and quicker? Visual Paradigm Community Edition is a UML software that supports all UML diagram types. They are the primary source of information used to determining class responsibilities and interfaces. Along with sequence diagrams, collaboration are used by designers to define and clarify the roles of the objects that perform a particular flow of events of a use case. web server, mail server, application server) are presented as nodes, with the software components that run inside the hardware components presented as artifacts.Collaboration diagrams ( known as Communication Diagram in UML 2.x) are used to show how objects interact to perform the behavior of a particular use case, or a part of a use case. In deployment diagram, hardware components (e.g. Models the physical deployment of software components with UML deployment diagram. Objects implementing a required interface are received via a port and objects implementing a provided interface are shared via a port.Ĭomponent Diagram Example - Components in Deployment Diagram.Ports are shown as squares bordering the component, these indicate how the interfaces of the component are used internally.In this example, the internal composition of components can also be modeled using component diagrams, this is called a white-box view of the diagram because we can see inside. Objects implementing a required interface are received via a port and objects implementing a provided interface are shared via a port. Ports are shown as squares bordering the component, these indicate how the interfaces of the component are used internally. In the previous examples, those component diagrams are called black-box views. The Figure below show's the Store's component nested structure.Ĭomponent Diagram Example - White-Box View of a Component To show a nested component structure, you merely draw the component larger than normal and place the inner parts inside the name compartment of the encompassing component. A component that processes credit card charges and the database containing the ticket information.Ĭomponent Example - Store Component - nested component structure There is a ticket seller component that sequentializes requests from both ticket selling system and clerks. Ticket Selling System Component Diagram Example As long as those requirements are maintained changes to one component will not percolate to other components. By using a component diagram we see the system as a group of nearly independent component or subsystems that interact with each other in a specifically defined way.Įach component is responsible for the action for which it is named and interface(s) it provides. The Figure below is a much larger view of what is involved in a online store. One main benefit of Component diagrams if to simplify the high-level view of the system. Order Processing System Component diagram example Draw subsystems for logical categorization of components.Add the dependencies between the elements of the diagram.Add other elements to the diagram, such as classes, objects and interface.Add components to the diagram, grouping them within other components if appropriate.The breakdown of components into a lower-level structure.Use component diagrams when you are dividing your system into components and want to show their interrelationships through interfaces.Instead, the component delegates the interface(s) to an internal class. PortĪ port (definition) indicates that the component itself does not provide the required interfaces (e.g., required or provided). Component AssembliesĬomponents can be "wired" together using to form subsystems, with the use of a ball-and-socket joint. Required interfaces define "a set of public attributes and operations that are required by the classes that depend upon a given interface". Provided interfaces define "a set of public attributes and operations that must be provided by the classes that implement a given interface". The component stereotype's text is ">" and the component stereotype icon is a rectangle with two smaller rectangles protruding on its left side. A component can be represented as just a rectangle with the component's name and the component stereotype text and/or icon. View and play PowerPoint presentations online.Ī component is drawn as a rectangle with optional compartments stacked vertically.
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