Review Request 31436: DRILL-2245-hygiene: cleaned up a number of files seen while working on DRILL-2245-core.

[Chris Westin <ch...@gmail.com>]

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Review request for drill and Jacques Nadeau.


Bugs: DRILL-2245
    https://issues.apache.org/jira/browse/DRILL-2245


Repository: drill-git


Description
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DRILL-2245-hygiene: General code cleanup encountered while working on the core of this commit. This includes
    - making members final whenever possible
    - making members private whenever possible
    - making loggers private
    - removing unused imports
    - removing unused private functions
    - removing unused public functions
    - removing unused local variables
    - removing unused private members
    - deleting unused files
    - cleaning up formatting
      - adding spaces before braces in conditionals and loop bodies
      - breaking up overly long lines
      - removing extra blank lines

    While I tried to keep this clean, this commit may have minor dependencies on
    DRILL-2245-core that I missed. The intention is just to break this up for
    review purposes. Either both commits should be applied, or neither.


Diffs
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  exec/java-exec/src/main/java/org/apache/drill/exec/ops/FragmentContext.java e413921 
  exec/java-exec/src/main/java/org/apache/drill/exec/ops/QueryContext.java c881432 
  exec/java-exec/src/main/java/org/apache/drill/exec/opt/BasicOptimizer.java 5288f5d 
  exec/java-exec/src/main/java/org/apache/drill/exec/opt/IdentityOptimizer.java 979c5e2 
  exec/java-exec/src/main/java/org/apache/drill/exec/opt/Optimizer.java 34d0622 
  exec/java-exec/src/main/java/org/apache/drill/exec/physical/impl/BaseRootExec.java 412da85 
  exec/java-exec/src/main/java/org/apache/drill/exec/physical/impl/RootExec.java a644c34 
  exec/java-exec/src/main/java/org/apache/drill/exec/physical/impl/SendingAccountor.java 7af7b65 
  exec/java-exec/src/main/java/org/apache/drill/exec/physical/impl/broadcastsender/BroadcastSenderRootExec.java 22fa047 
  exec/java-exec/src/main/java/org/apache/drill/exec/physical/impl/orderedpartitioner/OrderedPartitionRecordBatch.java 352e7ae 
  exec/java-exec/src/main/java/org/apache/drill/exec/physical/impl/producer/ProducerConsumerBatch.java 4c9b33b 
  exec/java-exec/src/main/java/org/apache/drill/exec/planner/fragment/Fragment.java ac63bde 
  exec/java-exec/src/main/java/org/apache/drill/exec/record/MaterializedField.java ef53d2a 
  exec/java-exec/src/main/java/org/apache/drill/exec/rpc/BasicClient.java f358097 
  exec/java-exec/src/main/java/org/apache/drill/exec/rpc/BasicServer.java c00df4e 
  exec/java-exec/src/main/java/org/apache/drill/exec/rpc/NamedThreadFactory.java 2b49579 
  exec/java-exec/src/main/java/org/apache/drill/exec/rpc/ReconnectingConnection.java f214c4d 
  exec/java-exec/src/main/java/org/apache/drill/exec/rpc/RemoteConnection.java 3a139f8 
  exec/java-exec/src/main/java/org/apache/drill/exec/rpc/RpcBus.java 96c9911 
  exec/java-exec/src/main/java/org/apache/drill/exec/rpc/control/Controller.java 7f84a2b 
  exec/java-exec/src/main/java/org/apache/drill/exec/rpc/control/ControllerImpl.java f8f6fd7 
  exec/java-exec/src/main/java/org/apache/drill/exec/rpc/data/DataConnectionCreator.java 197996d 
  exec/java-exec/src/main/java/org/apache/drill/exec/rpc/data/DataResponseHandlerImpl.java 1fcb3e9 
  exec/java-exec/src/main/java/org/apache/drill/exec/rpc/data/DataTunnel.java 5aa4aa6 
  exec/java-exec/src/main/java/org/apache/drill/exec/rpc/user/UserClient.java 4e7fc92 
  exec/java-exec/src/main/java/org/apache/drill/exec/rpc/user/UserServer.java dffb9a1 
  exec/java-exec/src/main/java/org/apache/drill/exec/service/ServiceEngine.java ff6e13c 
  exec/java-exec/src/main/java/org/apache/drill/exec/store/sys/local/FilePStore.java baa998d 
  exec/java-exec/src/main/java/org/apache/drill/exec/work/QueryWorkUnit.java 9743d6e 
  exec/java-exec/src/main/java/org/apache/drill/exec/work/batch/SpoolingRawBatchBuffer.java 6ee93ab 
  exec/java-exec/src/main/java/org/apache/drill/exec/work/batch/UnlimitedRawBatchBuffer.java 895918c 
  exec/java-exec/src/main/java/org/apache/drill/exec/work/foreman/DrillbitStatusListener.java ca52f0c 
  exec/java-exec/src/test/java/org/apache/drill/exec/physical/impl/SimpleRootExec.java 0277876 
  exec/jdbc/src/test/java/org/apache/drill/jdbc/test/JdbcAssert.java b88d880 

Diff: https://reviews.apache.org/r/31436/diff/


Testing
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mvn install
Functional - Passing - New
Advanced - TPCH SF100 - Parquet


Thanks,

Chris Westin