@Override
protected void acquire(TransactionLocks locks) throws IOException {
INodeLock iNodeLock = (INodeLock) locks.getLock(Type.INode);
INode iNode = iNodeLock.getTargetINode(target);
BlockChecksumDataAccess.KeyTuple key =
new BlockChecksumDataAccess.KeyTuple(iNode.getId(), blockIndex);
acquireLock(DEFAULT_LOCK_TYPE, BlockChecksum.Finder.ByKeyTuple, key);
}
private void serializeDirDiffList(
INodeDirectory dir, final List<INodeReference> refList, OutputStream out)
throws IOException {
DirectoryWithSnapshotFeature sf = dir.getDirectoryWithSnapshotFeature();
if (sf != null) {
List<DirectoryDiff> diffList = sf.getDiffs().asList();
SnapshotDiffSection.DiffEntry entry =
SnapshotDiffSection.DiffEntry.newBuilder()
.setInodeId(dir.getId())
.setType(Type.DIRECTORYDIFF)
.setNumOfDiff(diffList.size())
.build();
entry.writeDelimitedTo(out);
for (int i = diffList.size() - 1; i >= 0; i--) { // reverse order!
DirectoryDiff diff = diffList.get(i);
SnapshotDiffSection.DirectoryDiff.Builder db =
SnapshotDiffSection.DirectoryDiff.newBuilder()
.setSnapshotId(diff.getSnapshotId())
.setChildrenSize(diff.getChildrenSize())
.setIsSnapshotRoot(diff.isSnapshotRoot());
INodeDirectoryAttributes copy = diff.snapshotINode;
if (!diff.isSnapshotRoot() && copy != null) {
db.setName(ByteString.copyFrom(copy.getLocalNameBytes()))
.setSnapshotCopy(buildINodeDirectory(copy, parent.getSaverContext()));
}
// process created list and deleted list
List<INode> created = diff.getChildrenDiff().getList(ListType.CREATED);
db.setCreatedListSize(created.size());
List<INode> deleted = diff.getChildrenDiff().getList(ListType.DELETED);
for (INode d : deleted) {
if (d.isReference()) {
refList.add(d.asReference());
db.addDeletedINodeRef(refList.size() - 1);
} else {
db.addDeletedINode(d.getId());
}
}
db.build().writeDelimitedTo(out);
saveCreatedList(created, out);
}
}
}