从山证v2.3.0拷贝

2024-05-09 14:06:26 +08:00
parent 566ff33259
commit f9d8a256a6
4471 changed files with 1203456 additions and 9 deletions
@@ -0,0 +1,83 @@
+namespace YLErp.Modules.DataCacheModule
+{
+    public static partial class DataCacheManager
+    {
+        /// <summary>
+        /// 场内期权基础数据
+        /// </summary>
+        class ExchangeListOptionDataSource : GenericeCachedDataSource<ExchangeListOption>, Abstract.IDataSourceKey2<ExchangeListOption>
+        {
+            public override string TableName => nameof(ExchangeListOption);
+
+            readonly Dictionary<string, ExchangeListOption> _dicEx;
+
+            public ExchangeListOptionDataSource()
+            {
+                _dicEx = new Dictionary<string, ExchangeListOption>(StringComparer.OrdinalIgnoreCase);
+
+                AfterUpdate = data =>
+                {
+                    if (!string.IsNullOrWhiteSpace(data?.ContractCode))
+                    {
+                        _dicEx[data.ContractCode] = data;
+                    }
+                };
+
+                AfterRemove = data =>
+                {
+                    if (!string.IsNullOrWhiteSpace(data?.ContractCode))
+                    {
+                        _dicEx.Remove(data.ContractCode);
+                    }
+                };
+
+                //使用近1个月的数据作为缓存
+                var date = DateTime.Today.AddDays(-30);
+                Filter = PredicateBuilder.Create<ExchangeListOption>(n => n.MaturityDate > date);
+            }
+
+            public ExchangeListOption GetData(string keyId)
+            {
+                if (string.IsNullOrWhiteSpace(keyId))
+                {
+                    return null;
+                }
+
+                lock (this)
+                {
+                    if (_dicEx.TryGetValue(keyId, out ExchangeListOption data))
+                    {
+                        return data;
+                    }
+
+                    using (var db = DbContextFactory.GetYLDbContext())
+                    {
+                        var exopt = db.exchange_list_option.AsNoTracking().FirstOrDefault(n => n.ContractCode == keyId);
+                        if (exopt != null)
+                        {
+                            _dic[exopt.id] = exopt;
+                            _dicEx[exopt.ContractCode] = exopt;
+                        }
+                        return exopt?.Clone();
+                    }
+                }
+            }
+
+            public override void ResetDataSource()
+            {
+                base.ResetDataSource();
+
+                _dicEx.Clear();
+            }
+
+            //---------------------------------------------
+
+            public static readonly ExchangeListOptionDataSource Default;
+
+            static ExchangeListOptionDataSource()
+            {
+                Default = new ExchangeListOptionDataSource();
+            }
+        }
+    }
+}