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Concept
Resource-oriented architecture
Summary
In software engineering, a resource-oriented architecture (ROA) is a style of software architecture and programming paradigm for supportive designing and developing software in the form of Internetworking of resources with "RESTful" interfaces. These resources are software components (discrete pieces of code and/or data structures) which can be reused for different purposes. ROA design principles and guidelines are used during the phases of software development and system integration.
REST, or Representational State Transfer, describes a series of architectural constraints that exemplify how the web's design emerged. Various concrete implementations of these ideas have been created throughout time, but it has been difficult to discuss the REST architectural style without blurring the lines between actual software and the architectural principles behind it.
In Chapter 5 of his thesis, Roy Fielding documents how the World Wide Web is designed to be constrained by the REST series of limitations. These are still fairly abstract and have been interpreted in various ways in designing new frameworks, systems, and websites. In the past, heated exchanges have been made about whether RPC-style REST architectures are RESTful.
The Resource Oriented Architecture, as documented by Leonard Richardson and Sam Ruby in their 2007 book RESTful Web Services, gives concrete advice on specific technical details. Naming these collections of guidelines "Resource Oriented Architecture" may allow developers to discuss the benefits of an architecture in the context of ROA.
Some guidelines are already common within the larger REST communities such as: that an application should expose many URIs, one for each resource; and that processing cookies representing IDs in a server-side session is not RESTful.
Richardson and Ruby also discuss many software frameworks that provide some or many features of the ROA. These include
/db,
Django,
TurboGears,
Flask,
EverRest,
JBoss RESTEasy,
JBoss Seam,
Spring,
Apache Wink,
Jersey,
NetKernel,
Recess,
Ruby on Rails,
Symfony,
Yii2,
Play Framework, and API Platform.
Official source
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