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From "Julia (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (REEF-1140) MonotonicTreeMap used in Class Hierachy should be thread safe for reading.
Date Wed, 20 Jan 2016 18:40:39 GMT

     [ https://issues.apache.org/jira/browse/REEF-1140?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Julia reassigned REEF-1140:
---------------------------

    Assignee: Julia

> MonotonicTreeMap used in Class Hierachy should be thread safe for reading. 
> ---------------------------------------------------------------------------
>
>                 Key: REEF-1140
>                 URL: https://issues.apache.org/jira/browse/REEF-1140
>             Project: REEF
>          Issue Type: Bug
>          Components: Tang.NET
>            Reporter: Julia
>            Assignee: Julia
>            Priority: Minor
>
> ClassHierarchy wraps MonotonicTreeMap as an internal data structure. Currently it has
a lock for adding a node. However, if a threading is adding a node while another thread is
iterating the children, that could cause issue. We should make read thread safe as well. 




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