@Override
public List<FilterType> merge(List<Wrapper<FilterType>> items) {
Map<String /*businessKey*/, List<Wrapper<FilterType>>> keyMap =
new HashMap<String, List<Wrapper<FilterType>>>();
logger.trace("Merge for " + klass.getSimpleName());
final List<FilterType> result = new ArrayList<FilterType>();
// Groupping
for (Wrapper<FilterType> item : items) {
String businessKey = getBusinessKey(item);
if (!keyMap.containsKey(businessKey)) {
keyMap.put(businessKey, new ArrayList<Wrapper<FilterType>>());
}
keyMap.get(businessKey).add(item);
}
// Joining
int counter = 0;
for (Map.Entry<String, List<Wrapper<FilterType>>> item : keyMap.entrySet()) {
counter++;
if (counter % 100 == 0)
logger.debug("Processing " + klass + " " + counter + " of " + keyMap.size());
String businessKey = item.getKey();
List<Wrapper<FilterType>> itemsToJoin = item.getValue();
FilterType newItem = join(itemsToJoin);
finalTemplate.save(newItem);
for (Wrapper<FilterType> itemToJoin : itemsToJoin) {
addToContext(itemToJoin.source(), itemToJoin.item().getCode(), newItem.getCode());
}
mergeChildren(itemsToJoin);
result.add(newItem);
}
return result;
}
@Override
public FilterType join(List<Wrapper<FilterType>> items) {
Wrapper<FilterType> filterTypeWrapper = findFistFromMannOtherwiseFirst(items);
FilterType filterType = filterTypeWrapper.item();
id++;
FilterType newFilterType = new FilterType();
newFilterType.setId(id);
newFilterType.setCode(filterType.getCode());
newFilterType.setName(filterType.getName());
return newFilterType;
}
