On 11/10/2015 18:59, Neil Bartlett wrote:
Such a tool does exist… for example the Embed-Dependency and Embed-Transitive
instructions in the maven-bundle-plugin. Of course, the price is that every
bundle will contain its own copy of every library. So if you think this solves
the problem then I recommend not bothering with OSGi or any other module system.
According to every OSGi book, bundles containing too many unused
dependencies are probably coarse-grained and should be divided into
smaller, more concise modules. The thing is that these bundles contain
the whole library and have tons of different responsibilities, which
goes against the fine-grained modules principle in modular architecture
design.
Ultimately there can be no automated substitute for developers paying attention
to the two principles of modular composition: high cohesion and low coupling.
When developers fail to do this (as the Quartz developers apparently did),
users suffer.
Neil
On 11 Oct 2015, at 16:17, Pedro Domingues <pedro.doming...@ist.utl.pt> wrote:
I understand that everything has dependencies, however I wish this embedding
could be automated, for example having maven downloading and embedding
transitive dependencies into the quartz bundle.
Thanks
On 11/10/2015 16:08, e...@zusammenkunft.net <mailto:e...@zusammenkunft.net>
wrote:
Hello,
Have to agree with Neil, hower I want to add, that the bundling of Quartz here
is the problem, it could make some dependencies optional and it could even add
some of the dependencies inside the bundle. This is what I did with Quartz, I
embedded Quartz and some of its dependencies inside a bundle to greatly remove
its external dependencies. You can even overwrite/remove some imports for
unused artifacts. Quartz needs this special treatment since its a big ugly blob
of goo.
Greetings
Bernd
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