77 lines
2.9 KiB
C#
77 lines
2.9 KiB
C#
using System.Linq;
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using System.Threading.Tasks;
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using System.Threading;
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using System.Collections.Generic;
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using AyaNova.Util;
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using AyaNova.Models;
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namespace AyaNova.Biz
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{
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public class SearchTranslationWordBreakDataCache
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{
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static SemaphoreSlim semaphoreSlim = new SemaphoreSlim(1, 1);
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private static Dictionary<long, TranslationWordBreakingData> theCache = new Dictionary<long, TranslationWordBreakingData>();
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public SearchTranslationWordBreakDataCache() { }
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public static async Task<TranslationWordBreakingData> GetWordBreakData(long id)
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{
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await semaphoreSlim.WaitAsync();
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try
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{
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if (!theCache.ContainsKey(id))
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theCache.Add(id, await GetTranslationSearchDataAsync(id));
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return theCache.First(z=>z.Key==id).Value;
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}
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finally
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{
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semaphoreSlim.Release();
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}
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}
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internal static async Task<TranslationWordBreakingData> GetTranslationSearchDataAsync(long translationId)
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{
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TranslationWordBreakingData LSD = new TranslationWordBreakingData();
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using (AyContext ct = ServiceProviderProvider.DBContext)
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{
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//Get stopwords
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//Validate translation id, if not right then use default instead
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var Param = new List<string>();
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translationId = await TranslationBiz.ReturnSpecifiedTranslationIdIfExistsOrDefaultTranslationId(translationId, ct);
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Param.Add("StopWords1");
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Param.Add("StopWords2");
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Param.Add("StopWords3");
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Param.Add("StopWords4");
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Param.Add("StopWords5");
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Param.Add("StopWords6");
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Param.Add("StopWords7");
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var Stops = await TranslationBiz.GetSubsetStaticAsync(Param, translationId);
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foreach (KeyValuePair<string, string> kvp in Stops)
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{
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//Each stopwords translation key is a space delimited list of words and in the case of an empty local string (i.e. StopWords7) it's value is a single question mark
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if (kvp.Value != "?")
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{
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LSD.StopWords.AddRange(kvp.Value.Split(" "));
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}
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}
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LSD.CJKIndex = await TranslationBiz.GetCJKIndexAsync(translationId, ct);
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}
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return LSD;
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}
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//Class to hold relevant translation data for breaking text
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public class TranslationWordBreakingData
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{
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public bool CJKIndex { get; set; }
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public List<string> StopWords { get; set; }
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public TranslationWordBreakingData()
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{
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CJKIndex = false;
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StopWords = new List<string>();
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}
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}
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}//eoc
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}//eons |