GitHub user yanghua opened a pull request:

    [FLINK-8799][YARN] Make AbstractYarnClusterDescriptor immutable

    ## What is the purpose of the change
    *This pull request Make AbstractYarnClusterDescriptor immutable*
    ## Brief change log
      - *removed or closed some setter accessor in class 
      - *deleted some set property code and replaced with adding option to 
`Configuration` instance*
      - *fetch the config item from `Configuration` and init the field for 
      - *add some config to `YarnConfigOptions`*
      - *fixed some old test cast and some new test case for refactored config 
    ## Verifying this change
    This change added tests and can be verified as follows:
      - *fixed some old test cast and some new test case for refactored config 
properties such as flink jar path and name and so on*
    ## Does this pull request potentially affect one of the following parts:
      - Dependencies (does it add or upgrade a dependency): (no)
      - The public API, i.e., is any changed class annotated with 
`@Public(Evolving)`: (no)
      - The serializers: (no)
      - The runtime per-record code paths (performance sensitive): (no)
      - Anything that affects deployment or recovery: JobManager (and its 
components), Checkpointing, Yarn/Mesos, ZooKeeper: (no)
      - The S3 file system connector: (no)
    ## Documentation
      - Does this pull request introduce a new feature? ( no)
      - If yes, how is the feature documented? (not documented)

You can merge this pull request into a Git repository by running:

    $ git pull FLINK-8799

Alternatively you can review and apply these changes as the patch at:

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #5617
commit f04f8d68a0859923dcdba594ce22b5f420305df5
Author: vinoyang <vinoyang@...>
Date:   2018-03-02T09:22:54Z

    [FLINK-8799][YARN] Make AbstractYarnClusterDescriptor immutable



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