/// <summary>Constructor</summary>
/// <param name="dir">The FSDirectory instance</param>
/// <param name="fsn">The FSNamesystem instance</param>
/// <param name="limitPerRun">
/// allowed number of operations in one
/// locking period. 0 or a negative number means
/// no limit (i.e. no yielding)
/// </param>
public ContentSummaryComputationContext(FSDirectory dir, FSNamesystem fsn, long limitPerRun
, long sleepMicroSec)
{
this.dir = dir;
this.fsn = fsn;
this.limitPerRun = limitPerRun;
this.nextCountLimit = limitPerRun;
this.counts = new ContentCounts.Builder().Build();
this.sleepMilliSec = sleepMicroSec / 1000;
this.sleepNanoSec = (int)((sleepMicroSec % 1000) * 1000);
}
/// <summary>
/// Compute
/// <see cref="Org.Apache.Hadoop.FS.ContentSummary"/>
/// .
/// </summary>
public ContentSummary ComputeAndConvertContentSummary(ContentSummaryComputationContext
summary)
{
ContentCounts counts = ComputeContentSummary(summary).GetCounts();
QuotaCounts q = GetQuotaCounts();
return(new ContentSummary.Builder().Length(counts.GetLength()).FileCount(counts.GetFileCount
() + counts.GetSymlinkCount()).DirectoryCount(counts.GetDirectoryCount()).Quota(
q.GetNameSpace()).SpaceConsumed(counts.GetStoragespace()).SpaceQuota(q.GetStorageSpace
()).TypeConsumed(counts.GetTypeSpaces()).TypeQuota(q.GetTypeSpaces().AsArray()).
Build());
}
public sealed override ContentSummaryComputationContext ComputeContentSummary(ContentSummaryComputationContext
summary)
{
ContentCounts counts = summary.GetCounts();
FileWithSnapshotFeature sf = GetFileWithSnapshotFeature();
long fileLen = 0;
if (sf == null)
{
fileLen = ComputeFileSize();
counts.AddContent(Content.File, 1);
}
else
{
FileDiffList diffs = sf.GetDiffs();
int n = diffs.AsList().Count;
counts.AddContent(Content.File, n);
if (n > 0 && sf.IsCurrentFileDeleted())
{
fileLen = diffs.GetLast().GetFileSize();
}
else
{
fileLen = ComputeFileSize();
}
}
counts.AddContent(Content.Length, fileLen);
counts.AddContent(Content.Diskspace, StoragespaceConsumed());
if (GetStoragePolicyID() != BlockStoragePolicySuite.IdUnspecified)
{
BlockStoragePolicy bsp = summary.GetBlockStoragePolicySuite().GetPolicy(GetStoragePolicyID
());
IList <StorageType> storageTypes = bsp.ChooseStorageTypes(GetFileReplication());
foreach (StorageType t in storageTypes)
{
if (!t.SupportTypeQuota())
{
continue;
}
counts.AddTypeSpace(t, fileLen);
}
}
return(summary);
}
public virtual void AddContents(ContentCounts that)
{
contents.Add(that.contents);
types.Add(that.types);
}