Posts Tagged ‘ OSGi-Service ’

Lazy activation and registration of a declarative service

The org.eclipse.equinox.ds bundle released with Eclipse Galileo supports lazy activation of declarative services. The source code of org.eclipse.equinox.ds is located at dev.eclipse.org/cvsroot/rt/org.eclipse.equinox/compendium/ bundles/org.eclipse.equinox.ds And there we will find the following source code lines: Important is the check if the bundle is in the LAZY_ACTIVATION state. In this case the bundle will also be started in [ READ MORE ]

Remove osgi-service at runtime

Simple question: “What will happen if a bundle stops but his service is in use?” Maybe you remember my topic on ‘How-To and Why-To use an OSGi-Service or Eclipse-ExtensionPoint‘. In that i’ve also given a simple example on an osgi-service. There we’ve got one supplier who distributed books to a library. Also we’ve got one customer [ READ MORE ]

Start off – Declarative Services

Last time i have written about how to use OSGi Services and Eclipse Extension Points. Also i have covered the point in which specific context a OSGi Service or an Eclipse Extension Point came to play. One difference was that the bundle which made an extension compared with a bundle which registered a service was [ READ MORE ]

How-To and Why-To use an OSGi-Service or Eclipse-ExtensionPoint

OSGi is “Model” which defines a component-based framework. A best known implementation is the equinox-framework developed and used by eclipse. In equinox you can use OSGi-Services and additional Eclipse-ExtensionPoints. My question was: For what reason and in which usecase do i have to use an OSGi-Service or an Eclipse-ExtensionPoint? ‘Danail Nachev’ gives an answer at [ READ MORE ]

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