private static QuotaCounts ComputeQuotaDeltas(FSDirectory fsd, INodeFile target,
INodeFile[] srcList)
{
QuotaCounts deltas = new QuotaCounts.Builder().Build();
short targetRepl = target.GetBlockReplication();
foreach (INodeFile src in srcList)
{
short srcRepl = src.GetBlockReplication();
long fileSize = src.ComputeFileSize();
if (targetRepl != srcRepl)
{
deltas.AddStorageSpace(fileSize * (targetRepl - srcRepl));
BlockStoragePolicy bsp = fsd.GetBlockStoragePolicySuite().GetPolicy(src.GetStoragePolicyID
());
if (bsp != null)
{
IList <StorageType> srcTypeChosen = bsp.ChooseStorageTypes(srcRepl);
foreach (StorageType t in srcTypeChosen)
{
if (t.SupportTypeQuota())
{
deltas.AddTypeSpace(t, -fileSize);
}
}
IList <StorageType> targetTypeChosen = bsp.ChooseStorageTypes(targetRepl);
foreach (StorageType t_1 in targetTypeChosen)
{
if (t_1.SupportTypeQuota())
{
deltas.AddTypeSpace(t_1, fileSize);
}
}
}
}
}
return(deltas);
}
