71 lines
2.2 KiB
C#
71 lines
2.2 KiB
C#
using StackExchange.Redis;
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using System;
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using System.Collections.Concurrent;
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namespace RedisDemo
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{
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public class RedisHelper : IDisposable
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{
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//连接字符串
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private string _connectionString;
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//实例名称
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private string _instanceName;
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//默认数据库
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private int _defaultDB;
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private ConcurrentDictionary<string, ConnectionMultiplexer> _connections;
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public RedisHelper(string connectionString, string instanceName, int defaultDB = 0)
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{
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_connectionString = connectionString;
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_instanceName = instanceName;
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_defaultDB = defaultDB;
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_connections = new ConcurrentDictionary<string, ConnectionMultiplexer>();
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}
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/// <summary>
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/// 获取ConnectionMultiplexer
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/// </summary>
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/// <returns></returns>
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private ConnectionMultiplexer GetConnect()
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{
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return _connections.GetOrAdd(_instanceName, p => ConnectionMultiplexer.Connect(_connectionString));
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}
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/// <summary>
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/// 获取数据库
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/// </summary>
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/// <param name="configName"></param>
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/// <param name="db">默认为0：优先代码的db配置，其次config中的配置</param>
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/// <returns></returns>
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public IDatabase GetDatabase()
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{
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var connectStr = _connectionString;
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var conmper = ConnectionMultiplexer.Connect(connectStr);
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var database = conmper.GetDatabase(0);
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return database;
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//return GetConnect().GetDatabase(_defaultDB);
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}
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public IServer GetServer(string configName = null, int endPointsIndex = 0)
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{
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var confOption = ConfigurationOptions.Parse(_connectionString);
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return GetConnect().GetServer(confOption.EndPoints[endPointsIndex]);
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}
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public ISubscriber GetSubscriber(string configName = null)
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{
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return GetConnect().GetSubscriber();
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}
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public void Dispose()
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{
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if (_connections != null && _connections.Count > 0)
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{
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foreach (var item in _connections.Values)
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{
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item.Close();
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}
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}
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}
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}
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} |