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From "Anton Vinogradov (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (IGNITE-642) Implement IgniteReentrantLock data structure
Date Fri, 11 Mar 2016 11:22:58 GMT

    [ https://issues.apache.org/jira/browse/IGNITE-642?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15190817#comment-15190817
] 

Anton Vinogradov commented on IGNITE-642:
-----------------------------------------

Yakov,

classnames.properties generates automatically during project build (using org.apache.ignite.tools.classgen.ClassesGenerator),

but to have correct list during testing developer should:
1) run maven command:
mvn clean package -DskipTests
2) replace classnames.properties (at sources) with generated classnames.properties (at target/classes/META-INF).
Manual addition of new classes to classnames.properties also possible but not recomended.

P.s. It takes more that 20 minutes to investigate this but I have no clue where can I publish
this knowledge. 
Yakov, can you suggest desired location of this knowledge?



> Implement IgniteReentrantLock data structure
> --------------------------------------------
>
>                 Key: IGNITE-642
>                 URL: https://issues.apache.org/jira/browse/IGNITE-642
>             Project: Ignite
>          Issue Type: Sub-task
>          Components: data structures
>            Reporter: Dmitriy Setrakyan
>            Assignee: Vladisav Jelisavcic
>
> We need to add {{IgniteReentrantLock}} data structure in addition to other data structures
provided by Ignite. {{IgniteReentrantLock}} should have similar API to {{java.util.concurrent.locks.ReentrantLock}}
class in JDK.
> As an example, you can see how [IgniteCountDownLatch|https://github.com/apache/incubator-ignite/blob/master/modules/core/src/main/java/org/apache/ignite/IgniteCountDownLatch.java]
is implemented in [GridCacheCountDownLatchImpl|https://github.com/apache/incubator-ignite/blob/master/modules/core/src/main/java/org/apache/ignite/internal/processors/datastructures/GridCacheCountDownLatchImpl.java]
class.
> In general we need to have an entity in ATOMIC cache storing lock-owner identifier together
with a queue of waiters.



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