public DataStruc(RecordManager recman, String objectname) throws IOException {
// Constructor, get the hashtable from db, build a new one if it does not exist
long recid = recman.getNamedObject(objectname);
// System.out.println(objectname + recid);
if (recid != 0) {
hashtable = HTree.load(recman, recid);
} else {
hashtable = HTree.createInstance(recman);
recman.setNamedObject(objectname, hashtable.getRecid());
}
}