/// <summary>
/// 执行任务
/// </summary>
public override void RunTask()
{
SearchItem[] result = null;
try
{
ThreadParameter threadParameter = Searcher.DefaultThreadParameter;
SubString simplifiedKey = threadParameter.SetSimplified(key, maxTextSize);
if (simplifiedKey.Count != 0)
{
HashString cacheKey = simplifiedKey;
result = resultCache.Get(ref cacheKey, null);
if (result == null)
{
long wordCount = Searcher.Default.Results.WordCount;
LeftArray <KeyValue <HashString, AutoCSer.Search.StaticSearcher <DataKey> .QueryResult> > results = threadParameter.Search();
switch (results.Count)
{
case 0: result = NullValue <SearchItem> .Array; break;
case 1:
threadParameter.ResultIndexArray.Empty();
results[0].Value.CopyTo(ref threadParameter.ResultIndexArray);
result = threadParameter.ResultIndexArray.GetRangeSortDesc(value => getWeight(value.Key.Type, value.Value.Indexs.Length), 0, pageSize, value => new SearchItem(results[0].Key, value));
break;
default:
threadParameter.GetWeights();
result = threadParameter.GetWeightArray()
.GetRangeSortDesc(weight => getWeight(weight.Key.Type, weight.Value), 0, pageSize, weight => new SearchItem(weight.Key));
break;
}
resultCache.Set(ref cacheKey, result);
if (resultCache.Count > maxResultCount)
{
resultCache.Pop();
}
}
}
}
finally
{
onSearch.Callback(result ?? NullValue <SearchItem> .Array);
}
}