Github user joshelser commented on a diff in the pull request:

    https://github.com/apache/accumulo/pull/95#discussion_r60946455
  
    --- Diff: 
core/src/test/java/org/apache/accumulo/core/client/mock/MockTableOperationsTest.java
 ---
    @@ -225,7 +225,8 @@ private ImportTestFilesAndData prepareTestFiles() 
throws Throwable {
         fs.delete(tempFile, true);
         fs.mkdirs(failures);
         fs.mkdirs(tempFile.getParent());
    -    FileSKVWriter writer = 
FileOperations.getInstance().openWriter(tempFile.toString(), fs, defaultConf, 
null, AccumuloConfiguration.getDefaultConfiguration());
    +    FileSKVWriter writer = 
FileOperations.getInstance().openWriter().ofFile(tempFile.toString(), fs, 
defaultConf)
    --- End diff --
    
    The "verbage" here feels a little strange to me (maybe because you tried to 
preserve the original `openWriter()` methods?). What do you think about 
something like:
    
    ```
    FileOperations.getInstance().newWriterBuilder().ofFile(tempFile.toString(), 
fs, defaultConf)
        
.withTableConfiguration(AccumuloConfiguration.getDefaultConfiguration()).build();
    ```
    
    Using the common "builder" and "build" terminology makes it a bit obvious 
how this works. "openWriter" would imply to me that something is being opened 
(that I would need to close) and I'm not sure what "execute" would be doing at 
all on some I/O handle.
    
    I know this is a little nit-picky, but if we're going to make the APIs 
better, I'd be in favor of making them as clear as possible to prevent 
ourselves from coming back here soon.


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