2
edits
Changes
no edit summary
::1. '''The OSGi technology is a set of specifications that define a dynamic component system for Java'''.[http://www.osgi.org/About/WhatIsOSGi]
::A software component is a unit of composition that can be developed independently with contractually specified interfaces and explicit context dependencies.[http://www.softwareresearch.net/fileadmin/src/docs/publications/J010.pdf]
'''OSGi''' enables the development of applications from '''components''' that could be:
[[Image:OSGi-Layering.png|500px400px]]
[http://zenit.senecac.on.ca/wiki/index.php/OSGi_Framework OSGi Framework]
The core component of the OSGi Specifications is the OSGi Framework. The Framework provides a standardized environment to applications with the layers described above.
The most used implementations of [http://www.osgi.org/Specifications/HomePage OSGi Specifications] are [http://www.knopflerfish.org/ Knopflerfish] and [http://www.eclipse.org/equinox/ Equinox]. Regardless of the particular implementation, the interactions between layers take place as depicted in the below picture.
<h4>[http://www.osgi.org/Release4/HomePage Interactions between layers]</h4>
[[File:bundle-inter.png|400px|Interactions between layers]]