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Home > Design Patterns > Capability Recomposition

Capability Recomposition (Erl)

How can the same capability be used to help solve multiple problems?

Problem

Using agnostic service logic to only solve a single problem is wasteful and does not leverage the logic's reuse potential.

Solution

Agnostic service capabilities can be designed to be repeatedly invoked in support of multiple compositions that solve multiple problems.

Application

Effective recomposition requires the coordinated, successful, and repeated application of several additional patterns.

Impacts

Repeated service composition demands existing and persistent standardization and governance.

Principles

Standardized Service Contract, Service Loose Coupling, Service Abstraction, Service Reusability, Service Autonomy, Service Statelessness, Service Discoverability, Service Composability

Architecture

Inventory, Composition, Service

Capability Recomposition: The individual capabilities of the original services can be repeatedly aggregated together with additional capabilities into different composition configurations. This enables capabilities to collectively solve the large problem for which they were originally delivered in addition to several other problems.

The individual capabilities of the original services can be repeatedly aggregated together with additional capabilities into different composition configurations. This enables capabilities to collectively solve the large problem for which they were originally delivered in addition to several other problems.

Related Patterns in This Catalog

Agnostic Capability, Agnostic Context, Capability Composition, Data Model Transformation, Non-Agnostic Context, Process Centralization

Related Service-Oriented Computing Goals

Increased Business and Technology Alignment, Increased Organizational Agility, Increased ROI, Reduced IT Burden

This page contains excerpts from:

SOA Design Patterns by Thomas Erl

Foreword by Grady Booch

With contributions from David Chappell, Jason Hogg, Anish Karmarkar, Mark Little, David Orchard, Satadru Roy, Thomas Rischbeck, Arnaud Simon, Clemens Utschig, Dennis Wisnosky, and others.

(ISBN: 0136135161, Hardcover, Full-Color, 400+ Illustrations, 865 pages)

For more information about this book, visit www.servicetechbooks.com.