public static Result GetCachedResult(ServiceItem serviceItem, string phrase, LanguagePair languagesPair, string subject)
{
if (!useCache)
{
return(new Result(serviceItem, phrase, languagesPair, subject));
}
string key = phrase.Trim().ToLowerInvariant();
if (key.Length > 500)
{
key = key.Substring(0, 500);
}
ResultsHashtable collection;
bool collection_exists = true;
lock (cache)
{
if (!cache.TryGetValue(key, out collection))
{
collection = new ResultsHashtable();
cache.Add(key, collection);
collection_exists = false;
}
}
int hash = Result.GetHashCode(serviceItem.FullName, languagesPair, subject);
bool needed_new_result = !collection_exists;
Result res = null;
lock (collection)
{
if (!needed_new_result)
{
if (!collection.TryGetValue(hash, out res))
{
needed_new_result = true;
}
else
{
needed_new_result = (res.Error != null && !res.ResultNotFound) || res.Phrase != phrase;
}
}
if (needed_new_result)
{
res = new Result(serviceItem, phrase, languagesPair, subject);
collection[hash] = res;
lock (results_history)
{
results_history.Add(res);
}
}
else
{
res.LastUsed = DateTime.Now;
lock (results_history)
{
results_history.Remove(res);
results_history.Add(res);
}
}
}
return(res);
}
public static Result GetCachedResult(ServiceItem serviceItem, string phrase, LanguagePair languagesPair, string subject)
{
if(!useCache)
return new Result(serviceItem, phrase, languagesPair, subject);
string key = phrase.Trim().ToLowerInvariant();
if(key.Length > 500)
key = key.Substring(0, 500);
ResultsHashtable collection;
bool collection_exists = true;
lock(cache)
{
if(!cache.TryGetValue(key, out collection))
{
collection = new ResultsHashtable();
cache.Add(key, collection);
collection_exists = false;
}
}
int hash = Result.GetHashCode(serviceItem.FullName, languagesPair, subject);
bool needed_new_result = !collection_exists;
Result res = null;
lock(collection)
{
if(!needed_new_result)
{
if(!collection.TryGetValue(hash, out res))
needed_new_result = true;
else
{
needed_new_result = (res.Error != null && !res.ResultNotFound) || res.Phrase != phrase;
}
}
if(needed_new_result)
{
res = new Result(serviceItem, phrase, languagesPair, subject);
collection[hash] = res;
lock(results_history)
{
results_history.Add(res);
}
}
else
{
res.LastUsed = DateTime.Now;
lock(results_history)
{
results_history.Remove(res);
results_history.Add(res);
}
}
}
return res;
}
