[GitHub] asdf2014 opened a new pull request #5980: Various changes about druid-services module

[GitBox <gi...@apache.org>]

asdf2014 opened a new pull request #5980: Various changes about druid-services module
URL: https://github.com/apache/incubator-druid/pull/5980
 
 
   Various changes about druid-services module:
   
   1. Fix calling to `toArray()` with pre-sized array argument for better performance;
   2. Use lambda to complete the initialization of `Module` / `Runnable` / `Accumulator`;
   3. Remove unuesed import;
   4. Improve if-return clause;
   5. Use `Set#addAll` instead of `for` loop;
   6. Use `Collections.<...>singletonList` instead of `Arrays.<...>asList` for single element situation;
   7. Use `file.toURI().toURL()` instead of `file.toURL()`;
   8. Remove unnecessary unboxing;
   9. Put the string object in front of the equals method;
   10. Use `Collections.<StorageLocationConfig>emptyList()` instead of `Arrays.<StorageLocationConfig>asList()`.

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