Esempio n. 1
0
        public EfMatcher(EfMatcherConfig <TInLeft, TEntity, TCtx, TKey> config)
        {
            _getFullDataset       = config.GetFullDataset;
            _createIfNotFound     = config.CreateIfNotFound;
            _includeInstruction   = config.IncludeInstruction;
            Context               = config.Context;
            _getLeftKey           = config.LeftKeyExpression.Compile();
            _getRightKey          = config.RightKeyExpression.Compile();
            _matchCriteriaBuilder = MatchCriteriaBuilder.Create(config.LeftKeyExpression, config.RightKeyExpression, config.DefaultDatasetCriteria);
            if (config.GetFullDataset)
            {
                var query = (_includeInstruction == null ? config.Context.Set <TEntity>() : _includeInstruction(config.Context.Set <TEntity>()));
                if (config.DefaultDatasetCriteria != null)
                {
                    query = query.Where(config.DefaultDatasetCriteria);
                }

                var defaultCache = query.ToList();
                _cacheSize      = Math.Max(defaultCache.Count, config.MinCacheSize);
                _cachedEntities = defaultCache
                                  .Select(i => new { Key = _getRightKey(i), Value = new CachedEntity(i) })
                                  .Where(i => i.Key != null)
                                  .ToDictionary(i => i.Key, i => i.Value);
            }
            else
            {
                _cacheSize = config.MinCacheSize;
            }
        }
Esempio n. 2
0
 public EfMatcher(EfMatcherConfig <TInLeft, TEntity, TKey> config)
 {
     _getFullDataset       = config.GetFullDataset;
     _createIfNotFound     = config.CreateIfNotFound;
     Context               = config.Context;
     _getLeftKey           = config.LeftKeyExpression.Compile();
     _getRightKey          = config.RightKeyExpression.Compile();
     _matchCriteriaBuilder = MatchCriteriaBuilder.Create(config.LeftKeyExpression, config.RightKeyExpression);
     if (config.GetFullDataset)
     {
         var defaultCache = config.Query.ToList();
         _cacheSize      = Math.Max(defaultCache.Count, config.MinCacheSize);
         _cachedEntities = defaultCache
                           .Select(i => new { Key = _getRightKey(i), Value = new CachedEntity(i) })
                           .Where(i => i.Key != null)
                           .GroupBy(i => i.Key)
                           .ToDictionary(i => i.Key, i => i.First().Value, GetEqualityComparer());
     }
     else
     {
         _query     = config.Query;
         _cacheSize = config.MinCacheSize;
     }
 }