/// <returns>whether the migration requires next round</returns>
private bool ProcessRecursively(string parent, HdfsFileStatus status)
{
string fullPath = status.GetFullName(parent);
bool hasRemaining = false;
if (status.IsDir())
{
if (!fullPath.EndsWith(Path.Separator))
{
fullPath = fullPath + Path.Separator;
}
hasRemaining = this.ProcessPath(fullPath);
// process snapshots if this is a snapshottable directory
if (this.snapshottableDirs.Contains(fullPath))
{
string dirSnapshot = fullPath + HdfsConstants.DotSnapshotDir;
hasRemaining |= this.ProcessPath(dirSnapshot);
}
}
else
{
if (!status.IsSymlink())
{
// file
try
{
if (!this.IsSnapshotPathInCurrent(fullPath))
{
// the full path is a snapshot path but it is also included in the
// current directory tree, thus ignore it.
hasRemaining = this.ProcessFile(fullPath, (HdfsLocatedFileStatus)status);
}
}
catch (IOException e)
{
Org.Apache.Hadoop.Hdfs.Server.Mover.Mover.Log.Warn("Failed to check the status of "
+ parent + ". Ignore it and continue.", e);
return(false);
}
}
}
return(hasRemaining);
}
internal static FileStatus ToFileStatus(HdfsFileStatus f, string parent)
{
return(new FileStatus(f.GetLen(), f.IsDir(), f.GetReplication(), f.GetBlockSize()
, f.GetModificationTime(), f.GetAccessTime(), f.GetPermission(), f.GetOwner(), f
.GetGroup(), f.IsSymlink() ? new Path(f.GetSymlink()) : null, new Path(f.GetFullName
(parent))));
}