Software Architecture: Connectors
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Questions and Answers

What is the primary role associated with connectors in software architecture?

  • Facilitation
  • Coordination
  • Communication (correct)
  • Conversion

What do connectors influence in a software system?

  • Neither functional nor non-functional system characteristics
  • Non-functional system characteristics (correct)
  • Only functional system characteristics
  • Functional system characteristics

What is an example of a communication mechanism supported by connectors?

  • Message passing (correct)
  • Query processing
  • Interrupt handling
  • Polling

What do connectors separate in a software system?

<p>Computation from communication (D)</p> Signup and view all the answers

What type of specification may define a connector's properties?

<p>Explicit protocol (B)</p> Signup and view all the answers

What is a characteristic that connectors can mediate?

<p>All of the above (D)</p> Signup and view all the answers

What is the primary function of connectors in software architecture?

<p>To enable interaction of independently developed components (D)</p> Signup and view all the answers

What type of connector is responsible for mediating interaction and governing access to shared information?

<p>Facilitator (C)</p> Signup and view all the answers

What is the main purpose of a coordinator connector?

<p>To separate control from computation (D)</p> Signup and view all the answers

What is an example of a converter connector?

<p>Adaptor (D)</p> Signup and view all the answers

What is the primary function of a facilitator connector?

<p>To enable interaction between independently developed components (D)</p> Signup and view all the answers

What is the purpose of a linkage connector?

<p>To enable data access between components (B)</p> Signup and view all the answers

What is a characteristic of first-class entities in software architectures?

<p>They have identity and describe all system interaction (D)</p> Signup and view all the answers

What is the primary difference between connectors and components in software architectures?

<p>Components are used for application-specific functionality, while connectors are used for interaction abstraction (B)</p> Signup and view all the answers

What is a benefit of treating connectors independently in software architectures?

<p>It separates computation from interaction (A)</p> Signup and view all the answers

What is a characteristic of connectors that provide application-independent interaction mechanisms?

<p>They are entitled to their own specifications and abstractions (B)</p> Signup and view all the answers

What is a result of localizing interaction definition in software architectures?

<p>Component interaction flexibility is increased (C)</p> Signup and view all the answers

What is a benefit of using first-class connectors in software architectures at the system level?

<p>It aids system analysis and testing (A)</p> Signup and view all the answers

What is the purpose of Procedure Call Connectors in software architecture?

<p>To facilitate communication between components through procedure calls (C)</p> Signup and view all the answers

Which type of connector is responsible for handling events generated by components?

<p>Event Connectors (A)</p> Signup and view all the answers

What is the primary function of Arbitrator Connectors in software architecture?

<p>To resolve conflicts between components (C)</p> Signup and view all the answers

Which type of connector is used to manage data streams between components?

<p>Stream Connectors (C)</p> Signup and view all the answers

What is the primary function of Linkage Connectors in software architecture?

<p>To provide a linkage mechanism for components (B)</p> Signup and view all the answers

Which type of connector is used to provide a data access mechanism for components?

<p>Data Access Connectors (A)</p> Signup and view all the answers

What do unit interconnection models capture?

<p>Dependency relationships between system units (A)</p> Signup and view all the answers

What type of interconnection model is concerned with how system components are meant to be used?

<p>Semantic interconnection (D)</p> Signup and view all the answers

Which of the following is an example of a unit interconnection model?

<p>Determining context of compilation (A)</p> Signup and view all the answers

What type of relationships are captured by syntactic interconnection models?

<p>Relations among syntactic elements of programming languages (A)</p> Signup and view all the answers

What is a common application of syntactic interconnection models?

<p>Static analysis (C)</p> Signup and view all the answers

What do the three types of interconnection models (unit, syntactic, semantic) have in common?

<p>They are all present in each system (B)</p> Signup and view all the answers

Study Notes

Connectors in Software Architecture

  • Connectors are first-class entities in software architecture that describe all system interactions and have their own specifications and abstractions.

Roles of Connectors

  • Coordinators: determine computation control, control delivery of data, and separate control from computation.
  • Converters: enable interaction of independently developed, mismatched components by converting data types, formats, and protocols.
  • Facilitators: enable interaction of components intended to interoperate, govern access to shared information, and provide synchronization mechanisms.

Types of Connectors

  • Procedure Call Connectors
  • Event Connectors
  • Data Access Connectors
  • Linkage Connectors
  • Stream Connectors
  • Arbitrator Connectors
  • Adaptors
  • Wrappers
  • Distributors

Characteristics of Connectors

  • Can be classified based on their roles, types, and properties.
  • Can be treated independently, allowing for localization of interaction definition, component independence, and flexibility.
  • Can support software evolution, dynamism, and heterogeneity.

Software Interconnection Models

  • Unit Interconnection: defines relations between system units, such as dependencies between components.
  • Syntactic Interconnection: describes relations among syntactic elements of programming languages, such as variable definitions and method invocations.
  • Semantic Interconnection: expresses how system components are meant to be used and captures how system components are actually used.

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Description

This quiz covers the concept of connectors in software architectures, including their role as first-class entities, interaction abstraction, and parameterization. It also explains the reasons for treating connectors independently in software design.

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