/// <summary>
/// Serialize
/// <see cref="#deleted"/>
///
/// </summary>
/// <exception cref="System.IO.IOException"/>
private void WriteDeleted(DataOutput @out, SnapshotFSImageFormat.ReferenceMap referenceMap
)
{
IList <INode> deleted = GetList(Diff.ListType.Deleted);
@out.WriteInt(deleted.Count);
foreach (INode node in deleted)
{
FSImageSerialization.SaveINode2Image(node, @out, true, referenceMap);
}
}
/// <exception cref="System.IO.IOException"/>
internal override void Write(DataOutput @out, SnapshotFSImageFormat.ReferenceMap
referenceMap)
{
WriteSnapshot(@out);
@out.WriteLong(fileSize);
// write snapshotINode
if (snapshotINode != null)
{
@out.WriteBoolean(true);
FSImageSerialization.WriteINodeFileAttributes(snapshotINode, @out);
}
else
{
@out.WriteBoolean(false);
}
}
/// <exception cref="System.IO.IOException"/>
internal override void Write(DataOutput @out, SnapshotFSImageFormat.ReferenceMap
referenceMap)
{
WriteSnapshot(@out);
@out.WriteInt(childrenSize);
// Write snapshotINode
@out.WriteBoolean(isSnapshotRoot);
if (!isSnapshotRoot)
{
if (snapshotINode != null)
{
@out.WriteBoolean(true);
FSImageSerialization.WriteINodeDirectoryAttributes(snapshotINode, @out);
}
else
{
@out.WriteBoolean(false);
}
}
// Write diff. Node need to write poseriorDiff, since diffs is a list.
diff.Write(@out, referenceMap);
}
/// <summary>Save SnapshotDiff list for an INodeDirectoryWithSnapshot.</summary>
/// <param name="sNode">The directory that the SnapshotDiff list belongs to.</param>
/// <param name="out">
/// The
/// <see cref="System.IO.DataOutput"/>
/// to write.
/// </param>
/// <exception cref="System.IO.IOException"/>
private static void SaveINodeDiffs <N, A, D>(AbstractINodeDiffList <N, A, D> diffs,
DataOutput @out, SnapshotFSImageFormat.ReferenceMap referenceMap)
where N : INode
where A : INodeAttributes
where D : AbstractINodeDiff <N, A, D>
{
// Record the diffs in reversed order, so that we can find the correct
// reference for INodes in the created list when loading the FSImage
if (diffs == null)
{
@out.WriteInt(-1);
}
else
{
// no diffs
IList <D> list = diffs.AsList();
int size = list.Count;
@out.WriteInt(size);
for (int i = size - 1; i >= 0; i--)
{
list[i].Write(@out, referenceMap);
}
}
}
/// <exception cref="System.IO.IOException"/>
internal abstract void Write(DataOutput @out, SnapshotFSImageFormat.ReferenceMap
referenceMap);
/// <summary>Serialize to out</summary>
/// <exception cref="System.IO.IOException"/>
private void Write(DataOutput @out, SnapshotFSImageFormat.ReferenceMap referenceMap
)
{
WriteCreated(@out);
WriteDeleted(@out, referenceMap);
}
/// <exception cref="System.IO.IOException"/>
public static void SaveDirectoryDiffList(INodeDirectory dir, DataOutput @out, SnapshotFSImageFormat.ReferenceMap
referenceMap)
{
SaveINodeDiffs(dir.GetDiffs(), @out, referenceMap);
}