public List<ColumnInfo> getCommonColumnInfoBeforeUpdateList() {
return DfCollectionUtil.emptyList();
}
protected <ELEMENT> ArrayList<ELEMENT> newArrayList(Collection<ELEMENT> collection) {
return DfCollectionUtil.newArrayList(collection);
}
protected <ELEMENT> ArrayList<ELEMENT> newArrayListSized(int size) {
return DfCollectionUtil.newArrayListSized(size);
}
protected <ELEMENT> ArrayList<ELEMENT> newArrayList() {
return DfCollectionUtil.newArrayList();
}
protected <KEY, VALUE> LinkedHashMap<KEY, VALUE> newLinkedHashMapSized(int size) {
return DfCollectionUtil.newLinkedHashMapSized(size);
}
protected <KEY, VALUE> LinkedHashMap<KEY, VALUE> newLinkedHashMap() {
return DfCollectionUtil.newLinkedHashMap();
}
protected <KEY, VALUE> ConcurrentHashMap<KEY, VALUE> newConcurrentHashMap() {
return DfCollectionUtil.newConcurrentHashMap();
}
@SuppressWarnings("unchecked")
protected <ELEMENT> ArrayList<ELEMENT> newArrayList(ELEMENT... elements) {
Object obj = DfCollectionUtil.newArrayList(elements);
return (ArrayList<ELEMENT>) obj; // to avoid the warning between JDK6 and JDK7
}