richard-churchman
4481615382
* Replaced the StackOverflow Redis client in the Cache library with the Resilient Redis Library. * Improved policy wrappers by introducing two distinct policies: one for idempotent operations and one for increment operations. Added a circuit breaker to the Redis Resiliency layer to prevent thundering herd on re-instantiation, along with shared state tracking for known-down Redis instances. * Updated the Redis resilient command wrapper to proxy all commands through the appropriate policy (e.g. based on idempotency). * Implemented certain other Redis policy state detection.
122 lines
4.8 KiB
C#
122 lines
4.8 KiB
C#
/* Copyright (C) 2022-present Jube Holdings Limited.
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*
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* This file is part of Jube™ software.
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*
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* Jube™ is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License
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* as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
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* Jube™ is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty
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* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more details.
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* You should have received a copy of the GNU Affero General Public License along with Jube™. If not,
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* see <https://www.gnu.org/licenses/>.
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*/
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namespace Jube.Cache.Redis
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{
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using Interfaces;
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using log4net;
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using Models;
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using ResilientRedisConnection;
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using StackExchange.Redis;
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public class CacheAbstractionRepository(
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ResilientRedisDatabase redisDatabase,
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ILog log,
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CommandFlags commandFlag = CommandFlags.FireAndForget) : ICacheAbstractionRepository
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{
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public async Task DeleteAsync(int tenantRegistryId, Guid entityAnalysisModelGuid, string searchKey,
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string searchValue,
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string name)
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{
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try
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{
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var redisKey = $"Abstraction:{tenantRegistryId}:{entityAnalysisModelGuid:N}:{searchKey}:{searchValue}";
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var redisHSetKey = $"{name}";
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await redisDatabase.HashDeleteAsync(redisKey, redisHSetKey, commandFlag).ConfigureAwait(false);
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}
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catch (Exception ex)
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{
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log.Error($"Cache Redis: Has created an exception as {ex}.");
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}
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}
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public async Task UpsertAsync(int tenantRegistryId, Guid entityAnalysisModelGuid, string searchKey,
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string searchValue,
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string name,
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double value)
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{
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try
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{
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var redisKey = $"Abstraction:{tenantRegistryId}:{entityAnalysisModelGuid:N}:{searchKey}:{searchValue}";
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var redisHSetKey = $"{name}";
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await redisDatabase.HashSetAsync(redisKey, redisHSetKey, value,
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When.Always, commandFlag).ConfigureAwait(false);
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}
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catch (Exception ex)
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{
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log.Error($"Cache Redis: Has created an exception as {ex}.");
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}
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}
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public async Task<double?> GetAsync(int tenantRegistryId, Guid entityAnalysisModelGuid,
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string name, string searchKey,
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string searchValue)
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{
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try
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{
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var redisKey = $"Abstraction:{tenantRegistryId}:{entityAnalysisModelGuid:N}:{searchKey}:{searchValue}";
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var redisHSetKey = $"{name}";
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var redisValue = await redisDatabase.HashGetAsync(redisKey, redisHSetKey).ConfigureAwait(false);
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if (!redisValue.HasValue)
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{
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return null;
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}
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return (double)redisValue;
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}
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catch (Exception ex)
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{
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log.Error($"Cache Redis: Has created an exception as {ex}.");
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}
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return null;
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}
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public async Task<Dictionary<string, double>>
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GetAsync(int tenantRegistryId,
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Guid entityAnalysisModelGuid,
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List<EntityAnalysisModelIdAbstractionRuleNameSearchKeySearchValue>
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entityAnalysisModelIdAbstractionRuleNameSearchKeySearchValueRequests)
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{
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var value = new Dictionary<string, double>();
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try
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{
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foreach (var entityAnalysisModelIdAbstractionRuleNameSearchKeySearchValueRequest
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in entityAnalysisModelIdAbstractionRuleNameSearchKeySearchValueRequests)
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{
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var redisKey =
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$"Abstraction:{tenantRegistryId}:{entityAnalysisModelGuid:N}:" +
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$"{entityAnalysisModelIdAbstractionRuleNameSearchKeySearchValueRequest.SearchKey}:" +
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$"{entityAnalysisModelIdAbstractionRuleNameSearchKeySearchValueRequest.SearchValue}";
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var redisHSetKey =
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$"{entityAnalysisModelIdAbstractionRuleNameSearchKeySearchValueRequest.AbstractionRuleName}";
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var redisValue = await redisDatabase.HashGetAsync(redisKey, redisHSetKey).ConfigureAwait(false);
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value.TryAdd(entityAnalysisModelIdAbstractionRuleNameSearchKeySearchValueRequest.AbstractionRuleName,
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redisValue.HasValue ? (double)redisValue : 0);
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}
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}
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catch (Exception ex)
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{
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log.Error($"Cache Redis: Has created an exception as {ex}.");
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}
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return value;
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}
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}
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}
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