/** initialise various indices */
private void initFromTDT(EpcTagDataTranslation tdt) {
Scheme[] scheme = tdt.getScheme();
for (Scheme ss : scheme) {
// create an index so that we can find a scheme based on tag length
for (Level level : ss.getLevel()) {
String s = level.getPrefixMatch();
if (s != null) {
// insert into prefix tree according to level type.
PrefixTree<PrefixMatch> prefix_tree = prefix_tree_map.get(level.getType());
if (prefix_tree == null) {
prefix_tree = new PrefixTree<PrefixMatch>();
prefix_tree_map.put(level.getType(), prefix_tree);
}
prefix_tree.insert(s, new PrefixMatch(ss, level));
}
}
}
}
