[GitHub] [accumulo] milleruntime commented on a change in pull request #1553: Simplify some VolumeManager tooling

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

milleruntime commented on a change in pull request #1553: Simplify some VolumeManager tooling
URL: https://github.com/apache/accumulo/pull/1553#discussion_r389818030
 
 

 ##########
 File path: server/base/src/main/java/org/apache/accumulo/server/fs/VolumeManagerImpl.java
 ##########
 @@ -381,35 +343,17 @@ public boolean isReady() throws IOException {
 
   @Override
   public FileStatus[] globStatus(Path pathPattern) throws IOException {
-    return getVolumeByPath(pathPattern).getFileSystem().globStatus(pathPattern);
+    return getFileSystemByPath(pathPattern).globStatus(pathPattern);
   }
 
   @Override
   public Path matchingFileSystem(Path source, Set<String> options) {
-    try {
-      if (ViewFSUtils.isViewFS(source, hadoopConf)) {
-        return ViewFSUtils.matchingFileSystem(source, options, hadoopConf);
-      }
-    } catch (IOException e) {
-      throw new RuntimeException(e);
-    }
-
-    URI uri1 = source.toUri();
-    for (String option : options) {
-      URI uri3 = URI.create(option);
-      if (uri1.getScheme().equals(uri3.getScheme())) {
-        String a1 = uri1.getAuthority();
-        String a2 = uri3.getAuthority();
-        if ((a1 == null && a2 == null) || (a1 != null && a1.equals(a2)))
-          return new Path(option);
-      }
-    }
-    return null;
-  }
-
-  @Override
-  public ContentSummary getContentSummary(Path dir) throws IOException {
-    return getVolumeByPath(dir).getFileSystem().getContentSummary(dir);
+    URI sourceUri = source.toUri();
+    return options.stream().filter(opt -> {
+      URI optUri = URI.create(opt);
+      return sourceUri.getScheme().equals(optUri.getScheme())
+          && Objects.equals(sourceUri.getAuthority(), optUri.getAuthority());
+    }).map((String opt) -> new Path(opt)).findFirst().orElse(null);
 
 Review comment:
   Nice replacement.  Could use method reference here too:
   ```suggestion
       }).map(Path::new).findFirst().orElse(null);
   ```

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