@Override
protected void mergeChildren(List<Wrapper<FilterType>> itemsToJoin) {
List<Wrapper<FilterForm>> children = new ArrayList<Wrapper<FilterForm>>();
String query = "from FilterForm f where f.filterTypeCode = ?";
for (Wrapper<FilterType> wrapper : itemsToJoin) {
if (wrapper.source().equals(Source.MANN.id())) {
List<FilterForm> l = mannTemplate.find(query, wrapper.item().getCode());
children.addAll(Wrapper.bySource(l, Source.MANN.id()));
}
if (wrapper.source().equals(Source.BASE.id())) {
List<FilterForm> l = baseTemplate.find(query, wrapper.item().getCode());
children.addAll(Wrapper.bySource(l, Source.BASE.id()));
}
}
mergers.byClass(FilterForm.class).merge(children);
}
@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;
}