internal virtual bool AddSourceToDestination()
{
INode dstParent = dstParentIIP.GetLastINode();
byte[] dstChildName = dstIIP.GetLastLocalName();
INode toDst;
if (withCount == null)
{
srcChild.SetLocalName(dstChildName);
toDst = srcChild;
}
else
{
withCount.GetReferredINode().SetLocalName(dstChildName);
toDst = new INodeReference.DstReference(dstParent.AsDirectory(), withCount, dstIIP
.GetLatestSnapshotId());
}
return(fsd.AddLastINodeNoQuotaCheck(dstParentIIP, toDst) != null);
}
/// <exception cref="Org.Apache.Hadoop.Hdfs.Protocol.QuotaExceededException"/>
internal virtual void RestoreSource()
{
// Rename failed - restore src
INode oldSrcChild = srcChild;
// put it back
if (withCount == null)
{
srcChild.SetLocalName(srcChildName);
}
else
{
if (!srcChildIsReference)
{
// src must be in snapshot
// the withCount node will no longer be used thus no need to update
// its reference number here
srcChild = withCount.GetReferredINode();
srcChild.SetLocalName(srcChildName);
}
else
{
withCount.RemoveReference(oldSrcChild.AsReference());
srcChild = new INodeReference.DstReference(srcParent, withCount, srcRefDstSnapshot
);
withCount.GetReferredINode().SetLocalName(srcChildName);
}
}
if (isSrcInSnapshot)
{
srcParent.UndoRename4ScrParent(oldSrcChild.AsReference(), srcChild);
}
else
{
// srcParent is not an INodeDirectoryWithSnapshot, we only need to add
// the srcChild back
fsd.AddLastINodeNoQuotaCheck(srcParentIIP, srcChild);
}
}
