/// <summary>
        /// Called after a query command execute
        /// </summary>
        /// <typeparam name="T">Data type</typeparam>
        /// <param name="queryDataContext">Query data callback context</param>
        public virtual void OnQueryCallback <T>(QueryDataCallbackContext <T> queryDataCallbackContext) where T : BaseEntity <T>, new()
        {
            if (queryDataCallbackContext.Datas.IsNullOrEmpty())
            {
                return;
            }
            var query = queryDataCallbackContext.Query;
            var queryFieldsWithSign = query.GetActuallyQueryFieldsWithSign(typeof(T), true);

            //only store complete data
            if (queryFieldsWithSign?.Item1 ?? false)
            {
                var cacheOperationConfig = DataCacheManager.Configuration.GetDataCacheOperationConfiguration(DataOperationType.Get);
                if (cacheOperationConfig != null && (cacheOperationConfig.TriggerTime & DataCacheOperationTriggerTime.After) != 0)
                {
                    if (cacheOperationConfig.Synchronous)
                    {
                        AddCacheData(queryDataCallbackContext);
                    }
                    else
                    {
                        var internalMsgItem = new InternalQueueAddCacheDataItem <T>(AddCacheData, queryDataCallbackContext);
                        InternalQueueManager.GetQueue(EZNEWConstants.InternalQueueNames.DataCache).Enqueue(internalMsgItem);
                    }
                }
            }
        }
Example #2
0
 /// <summary>
 /// Query callback
 /// </summary>
 /// <typeparam name="T">Data type</typeparam>
 /// <param name="queryDataCallbackContext">Query data callback context</param>
 public void QueryCallback <T>(QueryDataCallbackContext <T> queryDataCallbackContext) where T : BaseEntity <T>, new()
 {
     dataCachePolicy.OnQueryCallback(queryDataCallbackContext);
 }
        /// <summary>
        /// Add datas
        /// </summary>
        /// <typeparam name="T">Data type</typeparam>
        /// <param name="query">Query condition</param>
        /// <param name="datas">Datas</param>
        protected virtual void AddCacheData <T>(QueryDataCallbackContext <T> queryDataCallbackContext) where T : BaseEntity <T>, new()
        {
            if (queryDataCallbackContext == null)
            {
                return;
            }

            #region Add cache data

            var               datas           = queryDataCallbackContext.Datas;
            List <CacheKey>   dataPrimaryKeys = null;
            List <CacheKey>   dataOtherKeys   = null;
            List <CacheEntry> storeItems      = new List <CacheEntry>();
            Type              entityType      = typeof(T);
            string            objectName      = entityType.Name;
            var               cacheObject     = new CacheObject()
            {
                ObjectName = objectName
            };
            int dataCount = 0;
            if (!datas.IsNullOrEmpty())
            {
                dataPrimaryKeys = new List <CacheKey>();
                dataOtherKeys   = new List <CacheKey>();
                var entityConfiguration = EntityManager.GetEntityConfiguration(entityType);
                if (entityConfiguration == null)
                {
                    LogManager.LogError <DefaultDataCachePolicy>($"Entity :{entityType.FullName} configuration is null");
                    return;
                }

                //primary keys
                var primaryKeys = entityConfiguration.PrimaryKeys;
                if (primaryKeys.IsNullOrEmpty())
                {
                    LogManager.LogError <DefaultDataCachePolicy>($"Data type:{entityType.FullName} no primary key,unable to set cache data");
                    return;
                }

                //cache keys
                var cacheKeys = entityConfiguration.CacheKeys ?? new List <string>(0);
                cacheKeys = cacheKeys.Except(primaryKeys).ToList();

                //cache prefix keys
                var cachePrefixKeys = entityConfiguration.CachePrefixKeys ?? new List <string>(0);
                foreach (var data in datas)
                {
                    if (data == null)
                    {
                        continue;
                    }
                    dataCount++;
                    bool keyValueSuccess = true;
                    //expiration
                    TimeSpan?      dataExpirationValue = DataCacheManager.Configuration.GetExpiration(entityType);
                    DateTimeOffset?dataExpirationTime  = null;
                    if (dataExpirationValue != null)
                    {
                        dataExpirationTime = DateTimeOffset.Now.Add(dataExpirationValue.Value).AddSeconds(randomSecondPrivider.TakeNextValues(1).FirstOrDefault());
                    }
                    CacheExpiration dataExpiration = new CacheExpiration()
                    {
                        SlidingExpiration  = false,
                        AbsoluteExpiration = dataExpirationTime
                    };
                    //prefix cache keys
                    var dataPrefixKey = new CacheKey();
                    if (!cachePrefixKeys.IsNullOrEmpty())
                    {
                        foreach (var preKey in cachePrefixKeys)
                        {
                            var preKeyVal = data.GetValue(preKey)?.ToString() ?? string.Empty;
                            if (string.IsNullOrWhiteSpace(preKeyVal))
                            {
                                LogManager.LogError <DefaultDataCachePolicy>($"Data type :{entityType.FullName},Identity value:{data.GetIdentityValue()},Cache prefix key:{preKey},value is null or empty,unable to set cache data");
                                keyValueSuccess = false;
                                break;
                            }
                            dataPrefixKey.AddName(preKey, preKeyVal);
                        }
                        if (!keyValueSuccess)
                        {
                            continue;
                        }
                    }
                    //primary data cache keys
                    var dataCacheKey = new CacheKey(cacheObject, dataPrefixKey);
                    foreach (string pk in primaryKeys)
                    {
                        var pkValue = data.GetValue(pk)?.ToString() ?? string.Empty;
                        if (string.IsNullOrWhiteSpace(pkValue))
                        {
                            LogManager.LogError <DefaultDataCachePolicy>($"Data type :{entityType.FullName},Identity value:{data.GetIdentityValue()},Primary key:{pk},value is null or empty,unable to set cache data");
                            keyValueSuccess = false;
                            break;
                        }
                        dataCacheKey.AddName(pk, pkValue);
                    }
                    if (!keyValueSuccess)
                    {
                        continue;
                    }
                    string primaryFullCacheKey = dataCacheKey.GetActualKey();
                    if (primaryFullCacheKey.IsNullOrEmpty())
                    {
                        continue;
                    }
                    dataPrimaryKeys.Add(primaryFullCacheKey);
                    storeItems.Add(new CacheEntry()
                    {
                        Key        = primaryFullCacheKey,
                        Value      = JsonSerializeHelper.ObjectToJson(data),
                        Expiration = dataExpiration
                    });
                    if (!cacheKeys.IsNullOrEmpty())
                    {
                        foreach (string key in cacheKeys)
                        {
                            var otherCacheKey = new CacheKey(cacheObject, dataPrefixKey);
                            var cacheKeyValue = data.GetValue(key)?.ToString() ?? string.Empty;
                            if (string.IsNullOrWhiteSpace(cacheKeyValue))
                            {
                                LogManager.LogError <DefaultDataCachePolicy>($"Data type :{entityType.FullName},Identity value:{data.GetIdentityValue()},Cache key:{key},value is null or empty,unable to set cache data");
                                keyValueSuccess = false;
                                break;
                            }
                            otherCacheKey.AddName(key, cacheKeyValue?.ToString() ?? string.Empty);
                            dataOtherKeys.Add(otherCacheKey);
                            storeItems.Add(new CacheEntry()
                            {
                                Key        = otherCacheKey.GetActualKey(),
                                Value      = primaryFullCacheKey,
                                Expiration = dataExpiration
                            });
                        }
                        if (!keyValueSuccess)
                        {
                            continue;
                        }
                    }
                }
            }

            #endregion

            #region Null data

            int querySize = queryDataCallbackContext.Query?.QuerySize ?? 0;
            if (DataCacheManager.Configuration.EnableCacheNullData && (querySize < 1 || dataCount < querySize))
            {
                IEnumerable <CacheKey> queryPrimaryKeys = queryDataCallbackContext.PrimaryCacheKeys;
                IEnumerable <CacheKey> queryOtherKeys   = queryDataCallbackContext.OtherCacheKeys;
                string         nullDataValue            = JsonSerializeHelper.ObjectToJson <T>(null);
                TimeSpan?      nullDataExpirationValue  = DataCacheManager.Configuration.GetNullDataExpiration(entityType);
                DateTimeOffset?nullDataExpiration       = null;
                if (nullDataExpirationValue != null)
                {
                    nullDataExpiration = DateTimeOffset.Now.Add(nullDataExpirationValue.Value);
                }
                CacheExpiration nullDataExp = new CacheExpiration()
                {
                    SlidingExpiration  = false,
                    AbsoluteExpiration = nullDataExpiration
                };
                if (!queryPrimaryKeys.IsNullOrEmpty())
                {
                    if (!dataPrimaryKeys.IsNullOrEmpty())
                    {
                        queryPrimaryKeys = queryPrimaryKeys.Except(dataPrimaryKeys);
                    }
                    foreach (var primaryKey in queryPrimaryKeys)
                    {
                        storeItems.Add(new CacheEntry()
                        {
                            Key        = primaryKey.GetActualKey(),
                            Value      = nullDataValue,
                            Expiration = nullDataExp
                        });
                    }
                }
                if (!queryOtherKeys.IsNullOrEmpty())
                {
                    if (!dataOtherKeys.IsNullOrEmpty())
                    {
                        queryOtherKeys = queryOtherKeys.Except(dataOtherKeys);
                    }
                    if (!queryOtherKeys.IsNullOrEmpty())
                    {
                        storeItems.Add(new CacheEntry()
                        {
                            Key        = DataCacheManager.Configuration.NullDataCacheKey,
                            Value      = nullDataValue,
                            Expiration = nullDataExp
                        });
                        foreach (var otherKey in queryOtherKeys)
                        {
                            storeItems.Add(new CacheEntry()
                            {
                                Key        = otherKey,
                                Value      = DataCacheManager.Configuration.NullDataCacheKey,
                                Expiration = nullDataExp
                            });
                        }
                    }
                }
            }

            #endregion

            StringSetOptions option = new StringSetOptions()
            {
                CacheObject  = cacheObject,
                Items        = storeItems,
                CommandFlags = CacheCommandFlags.FireAndForget
            };
            var cacheResult = CacheManager.String.Set(option);
            if (cacheResult != null && !cacheResult.Responses.IsNullOrEmpty())
            {
                foreach (var response in cacheResult.Responses)
                {
                    if (!string.IsNullOrWhiteSpace(response?.Message))
                    {
                        LogManager.LogInformation <DefaultDataCachePolicy>(response.Message);
                    }
                }
            }
        }