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https://issues.apache.org/jira/browse/CASSANDRA-16924?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michael Semb Wever updated CASSANDRA-16924:
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Fix Version/s: (was: 4.x)
> Blocking Concurrency Primitives
> -------------------------------
>
> Key: CASSANDRA-16924
> URL: https://issues.apache.org/jira/browse/CASSANDRA-16924
> Project: Cassandra
> Issue Type: Improvement
> Components: Legacy/Core
> Reporter: Benedict Elliott Smith
> Assignee: Benedict Elliott Smith
> Priority: Normal
> Fix For: 4.1
>
>
> To support CEP-10 it is necessary to support alternative implementations of
> the blocking concurrency primitives we use on the project. At the same time,
> the project is very inconsistent in its usage of these APIs, so this work
> includes a number of improvements to the coherency of the codebase.
> This ticket introduces new abstractions and standardises old ones, migrating
> all blocking concurrency operations besides Futures returned by Executors to
> these new APIs. This includes a migration of SimpleCondition to a new
> Conditioninterface, new CountDownLatch and Semaphore interfaces, and new
> static factory methods for creating these objects (as well as WaitQueue) that
> can be intercepted by byte weaving. Additionally the internal Netty Future
> implementation is improved to support more general use (though this is only
> fully realised in a later ticket), OpOrder is improved to more easily support
> mocking WaitQueue.
> Finally we standardise the propagation of InterruptedExecption, with the new
> UncheckedInterruptedException, so that simulations may be terminated cleanly.
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