@Override
public final <E> Map<Record, List<E>> intoGroups(Field<?>[] keys, Class<? extends E> type) {
if (keys == null) {
keys = new Field[0];
}
Map<Record, List<E>> map = new LinkedHashMap<Record, List<E>>();
FieldList keyList = new FieldList(keys);
for (R record : this) {
@SuppressWarnings("rawtypes")
Record key = new RecordImpl(keyList);
for (Field<?> field : keys) {
Utils.setValue(key, field, record, field);
}
List<E> list = map.get(key);
if (list == null) {
list = new ArrayList<E>();
map.put(key, list);
}
list.add(record.into(type));
}
return map;
}
@Override
public final <Z extends Record> Result<Z> into(Table<Z> table) {
Result<Z> list = new ResultImpl<Z>(getConfiguration(), table.fields());
for (R record : this) {
list.add(record.into(table));
}
return list;
}
@Override
public final <T> List<T> into(Class<? extends T> type) {
List<T> list = new ArrayList<T>(size());
for (R record : this) {
list.add(record.into(type));
}
return list;
}
@SuppressWarnings("unchecked")
@Override
public final <K, E> Map<K, E> intoMap(Field<K> key, Class<? extends E> type) {
int index = getIndex(key);
Map<K, E> map = new LinkedHashMap<K, E>();
for (R record : this) {
if (map.put((K) record.getValue(index), record.into(type)) != null) {
throw new InvalidResultException("Key " + key + " is not unique in Result for " + this);
}
}
return map;
}
@SuppressWarnings("unchecked")
@Override
public final <K, E> Map<K, List<E>> intoGroups(Field<K> key, Class<? extends E> type) {
int index = getIndex(key);
Map<K, List<E>> map = new LinkedHashMap<K, List<E>>();
for (R record : this) {
K keyVal = (K) record.getValue(index);
List<E> list = map.get(keyVal);
if (list == null) {
list = new ArrayList<E>();
map.put(keyVal, list);
}
list.add(record.into(type));
}
return map;
}
@Override
public final <E> Map<List<?>, E> intoMap(Field<?>[] keys, Class<? extends E> type) {
if (keys == null) {
keys = new Field[0];
}
Map<List<?>, E> map = new LinkedHashMap<List<?>, E>();
for (R record : this) {
List<Object> keyValueList = new ArrayList<Object>();
for (Field<?> key : keys) {
keyValueList.add(record.getValue(key));
}
if (map.put(keyValueList, record.into(type)) != null) {
throw new InvalidResultException(
"Key list " + keyValueList + " is not unique in Result for " + this);
}
}
return map;
}
@Override
public final <E> E fetchOneInto(Class<? extends E> clazz) {
R record = fetchOne();
return record == null ? null : record.into(clazz);
}