caiwei-ebay commented on pull request #144:
URL: https://github.com/apache/maven-resolver/pull/144#issuecomment-1023824789


   > 
   @michael-o 
   Guys, can you verbally express what you change actually does?
   
   A: This PR is pure BFS approach. Just a change from DFS -> BFS for future 
PRs related  MRESOLVER-133,  MRESOLVER-228 and  MRESOLVER-7.
   
   With DFS, maven resolves all nodes to compute the dependency tree.
   With this BFS solution, it still resolves all nodes to compute the 
dependency tree.
   
   Later, I would like to submit a PR to skip certain nodes resolving to 
improve performance.
   
   Does it incur any resolution result changes? If not, can this be tested some 
how?
   
   A: Nope, it won't introduce any resolution result changes. No tests broken.
   Regarding the test,  I have dryrun large number of apps in our company by 
comparing dependency tree and dependency list, no issues found. Not sure if 
this is the right test method your are expecting.


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