public HeaderTable copy() {
HeaderTable headerTable = new HeaderTable(windowSize);
Map<String, Integer> ids = getUniqueIds();
Iterator iterator = ids.entrySet().iterator();
while (iterator.hasNext()) {
Map.Entry pair = (Map.Entry) iterator.next();
String id = (String) pair.getKey();
int totalNode = (Integer) pair.getValue();
headerTable.addNewTableItem(id, totalNode);
}
return headerTable;
}
public HeaderTable copy(UNode uNode) {
HeaderTable newTable = new HeaderTable(windowSize);
List<UNode> distinctNodes = uNode.getDistinctNodes();
for (HeaderTableItem item : this.headerTableItems) {
HeaderTableItem newTableItem = newTable.addNewTableItem(item.getItemId());
newTableItem.addProbabilityAndPrefixValue(
item.getTotalProbability(), item.getTotalPrefixValue());
}
for (UNode node : distinctNodes) {
newTable.updateHeaderTable(node, 0, 0);
}
return newTable;
}