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Questions and Answers
What type of diagram provides a black-box perspective of a system's components and their interactions?
What type of diagram provides a black-box perspective of a system's components and their interactions?
- Component Diagram Example Hydroponics Gardening System (white-box perspective)
- Component Diagram - Example Dependency UML
- Component Diagram Example Hydroponics Gardening System (black-box perspective) (correct)
- Component Diagram - Realization
Which term describes the consistent connections between components based on their interfaces?
Which term describes the consistent connections between components based on their interfaces?
- Realization Dependencies
- Component Interfaces Specification (correct)
- DataAccess
- Port Provided interface
In a component diagram, what relationship can be used to show that one class implements the services of another class?
In a component diagram, what relationship can be used to show that one class implements the services of another class?
- Required interface Port
- Dependency UML
- Outgoing signals/calls
- Realization Dependencies (correct)
How can a component diagram represent that a component contains other components?
How can a component diagram represent that a component contains other components?
Which section of a component diagram may provide more detailed information about a component's interfaces?
Which section of a component diagram may provide more detailed information about a component's interfaces?
What describes the connections between classes in a component diagram that reflect the actual implementation relationships?
What describes the connections between classes in a component diagram that reflect the actual implementation relationships?
What does a deployment diagram show?
What does a deployment diagram show?
What are the three essential elements of a deployment diagram?
What are the three essential elements of a deployment diagram?
In a deployment diagram, what does an artifact typically represent?
In a deployment diagram, what does an artifact typically represent?
What kind of relationships can artifacts have with each other in a deployment diagram?
What kind of relationships can artifacts have with each other in a deployment diagram?
What does it mean if an artifact has a dependency relationship with a component in a deployment diagram?
What does it mean if an artifact has a dependency relationship with a component in a deployment diagram?
What is a node in a deployment diagram?
What is a node in a deployment diagram?
What does a component in a component diagram represent?
What does a component in a component diagram represent?
Which view of a component focuses on its publicly visible properties and operations?
Which view of a component focuses on its publicly visible properties and operations?
How are dependencies among different components represented in a component diagram?
How are dependencies among different components represented in a component diagram?
What is the purpose of a component diagram?
What is the purpose of a component diagram?
What is the component icon in a component diagram based on?
What is the component icon in a component diagram based on?
How does the black-box view of a component differ from the white-box view?
How does the black-box view of a component differ from the white-box view?
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Study Notes
Components
- A component is a collection of collaborating classes that provide interfaces and may have attributes and operations.
- A component can participate in associations and generalizations.
- Components have two views:
- External or "Black box" view: considers publicly visible properties and operations.
- Internal or "White box" view: considers private properties and realizing classifiers, showing how the component's behavior is realized internally.
Component Notation
- Component icon is a class icon with the keyword «component».
- Optionally, a component icon can be included in the top, right-hand corner.
- Black-box view shows only interfaces provided and required, either using "ball-and-socket" notation or listed in a compartment of the component rectangle.
Component Diagram
- Used to model the top-level view of the system design in terms of components and dependencies among components.
- Shows the network of dependencies among different components.
- Dependencies are shown as dashed lines with arrows from the client component to the supplier component.
Component Diagram Example
- Student Administration system: components include StudentSchedule, StudentPersistence, and DataAccess.
- Hydroponics Gardening System: components are shown in both black-box and white-box perspectives.
Component Interfaces
- A component's interfaces can be specified in more detail.
- Interfaces are provided and required services.
Component Diagram Realization
- Realization dependencies show how components are related to each other.
- Alternative representation: containment relationships.
Component Internal Structure
- A component can contain other components.
Deployment Diagram
- Shows a set of processing nodes and their relationships.
- Represents the static deployment view of an architecture.
- Essential elements: artifacts, nodes, and their connections.
Deployment Diagram Notation
- Artifact notation: represents software code (executable), file, or other item related to software code.
- Artifact relationships: dependencies, compositions, etc.
- Nodes: computational resources, containing memory and processing, on which artifacts are deployed for execution.
- Node types: devices (e.g., computer, modem, sensor) and execution environments (e.g., J2EE Server, IIS + PHP Server).
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