JBoss development,
A new message was posted in the thread "Pluggable dependency resolver":
http://community.jboss.org/message/524747#524747
Author : Kabir Khan
Profile :
http://community.jboss.org/people/kabir.khan@jboss.com
Message:
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I did a little benchmark to test out my assumption that the indexing resolver performs
better for large amounts of contexts waiting for dependencies. In each case I deploy 1000
beans.
* Scenario 1 - all contexts in the right order
Bean 1 has no depdencies
Bean 2 depends on Bean 1
Bean 3 depends on Bean 2
etc.
Standard resolver: 702 ms
Indexing resolver: 554 ms
* Scenario 2 - all contexts in wrong order
Bean 1 depends on Bean 2
Bean 2 depdends on Bean 1
etc.
Standard resolver: 3476
Indexing resolver: 601
I tried this with higher numbers, but this causes a StackOverflowError with the indexing
resolver, the reason being that it works recursively when a waiting context gets its
dependencies resolved.
AbstractController.install()->IndexingDependencyResolver.resolveContext(ControllerContext)
(takes the installed context as param)
->AbstractContoller.incrementState()->IndexingDependencyResolver.stateIncremented()->IndexingDependencyResolver.resolveContext(ControllerContext)
(takes any waiting context as param). I'll try to untangle this recursion.
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