/// <summary>
/// Initializes a new instance of the <see cref="TextMatchHelper"/> class.
/// </summary>
/// <param name="matches">The matches to match against.</param>
/// <exception cref="System.ArgumentNullException"></exception>
public TextMatchHelper(HashSet <string> matches)
{
if (matches == null)
{
throw new ArgumentNullException(nameof(matches));
}
var list = new List <string>(matches);
root = new CharNode();
listCache = new ListCache();
BuildMap(root, 0, list);
listCache.Clear();
}
//---------------------------------------------------------------------
// 从Map中随机获取数据
Task <List <byte[]> > IGrainDCacheMap.getFromMapRandom(int count)
{
ListCache.Clear();
ListCacheRandom.Clear();
ListCache.AddRange(MapCache.Values);
if (ListCache.Count > count)
{
for (int i = 0; i < count; i++)
{
ListCacheRandom.Add(ListCache[Random.Next(0, ListCache.Count)]);
}
}
else
{
ListCacheRandom.AddRange(ListCache);
}
ListCache.Clear();
return(Task.FromResult(ListCacheRandom));
}
