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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