[jboss-dev-forums] [Design the new POJO MicroContainer] - CopyOnWriteArraySet - JBCL-20

[adrian@jboss.org]

https://jira.jboss.org/jira/browse/JBCL-20

I was seeing a lot of time spent in CopyOnWriteArraySet when checking
blacklisting in the classloader.

The reason is that the class isn't intended for large data sets,
in fact it uses a CopyOnWriteArrayList underneath and does linear traversals.

I've changed the usage to a ConcurrentHashMap where I effectively
only use the key side.

It might be an idea to add a ConcurrentSet implementation to common-core
that is implemented on top of a ConcurrentHashMap?

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