[HBASE-18267] The result from the postAppend is ignored

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.0.0-alpha-1
• Fix Version/s: 1.4.0, 2.0.0-alpha-2, 2.0.0
• Component/s: Coprocessors
• Hadoop Flags: Incompatible change, Reviewed
• Assignee: Chia-Ping Tsai
• Reporter: Chia-Ping Tsai
• Created: 26/Jun/17 10:13
• Updated: 01/Aug/18 06:21
• Resolved: 11/Jul/17 02:35

Description

RegionCoprocessorHost.java

  /**
   * @param append Append object
   * @param result the result returned by the append
   * @throws IOException if an error occurred on the coprocessor
   */
  public void postAppend(final Append append, final Result result) throws IOException {
    execOperation(coprocessors.isEmpty() ? null : new RegionOperation() {
      @Override
      public void call(RegionObserver oserver, ObserverContext<RegionCoprocessorEnvironment> ctx)
          throws IOException {
        oserver.postAppend(ctx, append, result);
      }
    });
  }

  /**
   * @param increment increment object
   * @param result the result returned by postIncrement
   * @throws IOException if an error occurred on the coprocessor
   */
  public Result postIncrement(final Increment increment, Result result) throws IOException {
    return execOperationWithResult(result,
        coprocessors.isEmpty() ? null : new RegionOperationWithResult<Result>() {
      @Override
      public void call(RegionObserver oserver, ObserverContext<RegionCoprocessorEnvironment> ctx)
          throws IOException {
        setResult(oserver.postIncrement(ctx, increment, getResult()));
      }
    });
  }