private DataTree convertThisSnapShot() throws IOException {
// create a datatree
DataTree dataTree = new DataTree();
DataNodeV1 oldDataNode = oldDataTree.getNode("");
if (oldDataNode == null) {
// should never happen
LOG.error("Upgrading from an empty snapshot.");
}
recurseThroughDataTree(dataTree, "");
dataTree.lastProcessedZxid = oldDataTree.lastProcessedZxid;
return dataTree;
}
/**
* the last processed zxid in the datatree
*
* @param zxid the last processed zxid in the datatree
*/
public void setlastProcessedZxid(long zxid) {
dataTree.lastProcessedZxid = zxid;
}