Canonical Schema Pattern
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Canonical Schema Pattern
In software engineering, Canonical Schema is a design pattern, applied within the service-orientation design paradigm, which aims to reduce the need for performing data modelThe structure of the data e.g. in a database, the structure of the data contained in a table is represented by the table schema. In case of XML based documents, the corresponding XML schema document contains the structure of the XML document. transformation when services exchange messages that reference the same data model.Mauro. et alService Oriented Device Integration - An Analysis of SOA Design Patterns. nline pp.1-10, 2010 43rd Hawaii International Conference on System Sciences, 2010. Date accessed: 30 April 2010. Rationale The interaction between services often requires exchanging business documents. In order for a service consumer to send data (related to a particular business entity e.g. a purchase order), it needs to know the structure of the data i.e. the data model. For this, the service provider publi ...
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Software Engineering
Software engineering is a systematic engineering approach to software development. A software engineer is a person who applies the principles of software engineering to design, develop, maintain, test, and evaluate computer software. The term '' programmer'' is sometimes used as a synonym, but may also lack connotations of engineering education or skills. Engineering techniques are used to inform the software development process which involves the definition, implementation, assessment, measurement, management, change, and improvement of the software life cycle process itself. It heavily uses software configuration management which is about systematically controlling changes to the configuration, and maintaining the integrity and traceability of the configuration and code throughout the system life cycle. Modern processes use software versioning. History Beginning in the 1960s, software engineering was seen as its own type of engineering. Additionally, the development of soft ...
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Design Pattern
A design pattern is the re-usable form of a solution to a design problem. The idea was introduced by the architect Christopher Alexander and has been adapted for various other disciplines, particularly software engineering. The " Gang of Four" book. Details An organized collection of design patterns that relate to a particular field is called a pattern language. This language gives a common terminology for discussing the situations designers are faced with. Documenting a pattern requires explaining why a particular situation causes problems, and how the components of the pattern relate to each other to give the solution. Christopher Alexander describes common design problems as arising from "conflicting forces"—such as the conflict between wanting a room to be sunny and wanting it not to overheat on summer afternoons. A pattern would not tell the designer how many windows to put in the room; instead, it would propose a set of values to guide the designer toward a decisi ...
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Service-orientation
Service-orientation is a design paradigm for computer software in the form of services. The principles of service-oriented design stress the separation of concerns in the software. Applying service-orientation results in units of software partitioned into discrete, autonomous, and network-accessible units, each designed to solve an individual concern. These units qualify as services. History of service-orientation principles and tenets Service-orientation has received a lot of attention since 2003 due to the benefits it promises. These include increased return on investment, organisational agility and interoperability as well as a better alignment between business and IT. It builds heavily on earlier design paradigms and enhances them with standardisation, loose coupling and business involvement. The paradigm lost momentum in 2009; since 2014, renewed interest can be observed under the Microservices moniker. In technology, different vendor SOA platforms have used different definit ...
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Design Paradigm
A design is a plan or specification for the construction of an object or system or for the implementation of an activity or process or the result of that plan or specification in the form of a prototype, product, or process. The verb ''to design'' expresses the process of developing a design. In some cases, the direct construction of an object without an explicit prior plan (such as in craftwork, some engineering, coding, and graphic design) may also be considered to be a design activity. The design usually has to satisfy certain goals and constraints; may take into account aesthetic, functional, economic, or socio-political considerations; and is expected to interact with a certain environment. Typical examples of designs include architectural and engineering drawings, circuit diagrams, sewing patterns and less tangible artefacts such as business process models. Designing People who produce designs are called ''designers''. The term 'designer' generally refers to someone who wo ...
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Data Model
A data model is an abstract model that organizes elements of data and standardizes how they relate to one another and to the properties of real-world entities. For instance, a data model may specify that the data element representing a car be composed of a number of other elements which, in turn, represent the color and size of the car and define its owner. The term data model can refer to two distinct but closely related concepts. Sometimes it refers to an abstract formalization of the objects and relationships found in a particular application domain: for example the customers, products, and orders found in a manufacturing organization. At other times it refers to the set of concepts used in defining such formalizations: for example concepts such as entities, attributes, relations, or tables. So the "data model" of a banking application may be defined using the entity-relationship "data model". This article uses the term in both senses. A data model explicitly determines the ...
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Thomas Erl
Thomas Erl (born 1967) is a Canadian author, and public speaker known for major contributions to the field of service-oriented architecture. Author of eight books on Service Orientation, Erl defined eight widely accepted principles of service orientation. Biography Erl is an SOA author, series editor of the Prentice Hall ''Service-Oriented Computing Series from Thomas Erl'' and editor of the Service Technology Magazine. Erl's primary work has been in laying down the core principles of Service Oriented Computing and service orientation. He also initiated and contributed in creating the catalog of SOA design patterns for building service-oriented systems. As an entrepreneur, Erl founded SOA School in 2004, Cloud School in 2010, and Arcitura Education Inc. in 2011 as an umbrella corporation for his schools. SOA School established the SOA Certified Professional (SOACP) accreditation program and Cloud School established the Cloud Certified Professional accreditation program. Erl' ...
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SOA DP Canonical Schema A
Soa may refer to: Places Scotland *Soa (near Coll), an island in the United Kingdom in Argyll and Bute *Soa, Tiree, a tidal island of Tiree, Argyll and Bute *Soa Island, an islet lying south of Iona, Argyll and Bute, Scotland Elsewhere *Soa (Phrygia), a town of ancient Phrygia, now in Turkey *Soa, Cameroon, a town in Centre region *Soa Airport, in Bajawa, Indonesia *Søo, a river in Norway, also known as the Søa Other uses * ''Soa'' (barklice), a genus in the family Lepidopsocidae *Soa Palelei (born 1977), Australian mixed martial artist *Soa de Muse, French drag queen See also * SOA (other) * SOAS (other) SOAS or Soas or ''variation'', may refer to: * 427 Special Operations Aviation Squadron, Canadian Special Operations Forces Command, Royal Canadian Air Force, Canadian Armed Forces, Canada * Oracle SOA Suite, a middleware product for service-orien ...
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SOA DP Canonical Schema B
Soa may refer to: Places Scotland *Soa (near Coll), an island in the United Kingdom in Argyll and Bute *Soa, Tiree, a tidal island of Tiree, Argyll and Bute *Soa Island, an islet lying south of Iona, Argyll and Bute, Scotland Elsewhere *Soa (Phrygia), a town of ancient Phrygia, now in Turkey *Soa, Cameroon, a town in Centre region *Soa Airport, in Bajawa, Indonesia *Søo, a river in Norway, also known as the Søa Other uses * ''Soa'' (barklice), a genus in the family Lepidopsocidae *Soa Palelei (born 1977), Australian mixed martial artist *Soa de Muse, French drag queen See also * SOA (other) * SOAS (other) SOAS or Soas or ''variation'', may refer to: * 427 Special Operations Aviation Squadron, Canadian Special Operations Forces Command, Royal Canadian Air Force, Canadian Armed Forces, Canada * Oracle SOA Suite, a middleware product for service-orien ...
* {{Disambiguation, geo ...
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Standardized Service Contract
The standardized service contract is a software design principle applied within the service-orientation design paradigm to guarantee that service contracts within a service inventory (enterprise or domain) adhere to the same set of design standards. This facilitates standardized service contracts across the service inventory.Michael PouliEvolution of principles of Service Orientation: Service Contract, part 2Date accessed: 12 April 2010. Purpose The agility promised by a service-oriented architecture (SOA) is usually measured in terms of the reusability level of its contained services. However, this reusability relates directly to the way the service contract defines service capabilities. A service built on a potentially reusable functional contextThe boundary of the service, i.e., the type of functions the service provides but with a contract that does not convey this reusability correctly does not achieve its reusability potential. Within service-oriented solutions, a service ...
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Canonical Model
A canonical model is a design pattern used to communicate between different data formats. Essentially: create a data model which is a superset of all the others ("canonical"), and create a "translator" module or layer to/from which all existing modules exchange data with other modules. The individual modules can then be considered endpoints on an intelligent bus; the bus centralises all the data-translation intelligence. A form of enterprise application integration, it is intended to reduce costs and standardize on agreed data definitions associated with integrating business systems. A canonical model is any model that is canonical in nature, i.e. a model which is in the simplest form possible based on a standard, application integration (EAI) solution. Most organizations also adopt a set of standards for message structure and content (message payload). The desire for consistent message payload results in the construction of an enterprise or business domain canonical model c ...
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