数据列表借用泛型排重方法（Android\Java）

//刷新数据列表,并排重(泛化类型必须实现Unique接口)
public static <T> void addUniquelist(List<T> list, List<T> sourcelist, List<String> ids, ListAdapter adapter) {
if (list == null) {
return;
}
if (list == sourcelist) {
return;
}

for (T item : list) {
String id = ((Unique) item).getId();
if (!ids.contains(id)) {
ids.add(id);
sourcelist.add(item);
}
}
if (adapter != null) {
if (adapter instanceof BaseAdapter) {
((BaseAdapter) adapter).notifyDataSetChanged();
}
}
}

public interface Unique {
String getId();
}