[jira] [Created] (HELIX-732) [TASK] Expose UserContentStore in TaskDriver

["Hunter L (JIRA)" <ji...@apache.org>]

Hunter L created HELIX-732:
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             Summary: [TASK] Expose UserContentStore in TaskDriver
                 Key: HELIX-732
                 URL: https://issues.apache.org/jira/browse/HELIX-732
             Project: Apache Helix
          Issue Type: Improvement
            Reporter: Hunter L


There was a user request for this feature. The intended use is to allow for aggregation work reading from temporary data written by tasks, by allowing a get() of UserContentStore at the TaskDriver level. UserContentStore is a potentially useful feature that is currently under-utilized - this will enable Gobblin and other users of Task Framework to better utilize UserContentStore.

Changelist:
1. Add getUserContentStore() in TaskDriver
2. Add TestUserContentStore, an integration test for this feature
3. Add descriptive JavaDoc warning the user that get() and put() methods for UserContentStore is not thread-safe



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