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Support for globbing in the input path of the Hadoop Store Builder #141

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Support for globbing in the input path of the Hadoop Store Builder #141

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25 changes: 21 additions & 4 deletions contrib/hadoop-store-builder/src/java/voldemort/store/readonly/mr/HadoopStoreBuilder.java
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Original file line number Diff line number Diff line change
Expand Up @@ -580,18 +580,35 @@ public int compare(FileStatus fs1, FileStatus fs2) {
}
}

private long sizeOfPath(FileSystem fs, Path path) throws IOException {
/**
* Calculate the size of a path on DFS.
*
* @param fs the FileSystem object that corresponds to the Path
* @param path the path to determine the size of
* @param glob if the path should be globbed, if called recursively this must be false
*/
private long sizeOfPath(FileSystem fs, Path path, boolean glob) throws IOException {
long size = 0;
FileStatus[] statuses = fs.listStatus(path);
// Use path globing if the glob flag is set to true.
FileStatus[] statuses = (glob)?fs.globStatus(path):fs.listStatus(path);

if(statuses != null) {
for(FileStatus status: statuses) {
if(status.isDir())
size += sizeOfPath(fs, status.getPath());
if(status.isDir()) {
// don't use file path globbing when calling sizeOfPath recursively
size += sizeOfPath(fs, status.getPath(), false);
}
else
size += status.getLen();
}
}
return size;
}

/**
* Calculate the size of a path on DFS globing the path.
*/
private long sizeOfPath(FileSystem fs, Path path) throws IOException {
return sizeOfPath(fs, path, true);
}
}