95 lines
4.8 KiB
C#
95 lines
4.8 KiB
C#
using System;
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using System.Collections.Concurrent;
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using System.Collections.Generic;
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using Microsoft.AspNetCore.Builder;
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using Microsoft.AspNetCore.Hosting;
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using Microsoft.EntityFrameworkCore;
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using Microsoft.EntityFrameworkCore.Query;
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using Microsoft.EntityFrameworkCore.SqlServer.Query.Internal;
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using Microsoft.EntityFrameworkCore.Storage;
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using Microsoft.Extensions.DependencyInjection;
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using Microsoft.Extensions.Hosting;
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using Microsoft.Extensions.Logging;
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using Sample.SqlServer.DbContexts;
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using Sample.SqlServer.Shardings;
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using ShardingCore;
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using ShardingCore.EFCores;
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using ShardingCore.Sharding.ReadWriteConfigurations;
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namespace Sample.SqlServer
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{
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public class Startup
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{
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public static readonly ILoggerFactory efLogger = LoggerFactory.Create(builder =>
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{
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builder.AddFilter((category, level) => category == DbLoggerCategory.Database.Command.Name && level == LogLevel.Information).AddConsole();
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});
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// This method gets called by the runtime. Use this method to add services to the container.
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// For more information on how to configure your application, visit https://go.microsoft.com/fwlink/?LinkID=398940
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public void ConfigureServices(IServiceCollection services)
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{
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services.AddControllers();
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//services.AddDbContext<DefaultTableDbContext>(o => o.UseSqlServer("Data Source=localhost;Initial Catalog=ShardingCoreDBxx3;Integrated Security=True"));
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services.AddShardingDbContext<DefaultShardingDbContext, DefaultTableDbContext>(
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o =>
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o.UseSqlServer("Data Source=localhost;Initial Catalog=ShardingCoreDB1;Integrated Security=True;")
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).Begin(o =>
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{
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o.CreateShardingTableOnStart = true;
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o.EnsureCreatedWithOutShardingTable = true;
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o.AutoTrackEntity = true;
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o.ParallelQueryMaxThreadCount = 100;
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o.ParallelQueryTimeOut=TimeSpan.FromSeconds(10);
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})
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.AddShardingQuery((conStr, builder) => builder.UseSqlServer(conStr).UseLoggerFactory(efLogger)
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.UseQueryTrackingBehavior(QueryTrackingBehavior.NoTracking))
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.AddShardingTransaction((connection, builder) =>
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builder.UseSqlServer(connection).UseLoggerFactory(efLogger))
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.AddDefaultDataSource("ds0",
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"Data Source=localhost;Initial Catalog=ShardingCoreDB1;Integrated Security=True;")
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.AddShardingTableRoute(o =>
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{
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o.AddShardingTableRoute<SysUserModVirtualTableRoute>();
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o.AddShardingTableRoute<SysUserSalaryVirtualTableRoute>();
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}).End();
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//services.AddShardingDbContext<DefaultShardingDbContext, DefaultTableDbContext>(
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// o => o.UseSqlServer("Data Source=localhost;Initial Catalog=ShardingCoreDB;Integrated Security=True;")
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// , op =>
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// {
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// op.EnsureCreatedWithOutShardingTable = true;
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// op.CreateShardingTableOnStart = true;
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// op.UseShardingOptionsBuilder(
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// (connection, builder) => builder.UseSqlServer(connection).UseLoggerFactory(efLogger),//使用dbconnection创建dbcontext支持事务
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// (conStr,builder) => builder.UseSqlServer(conStr).UseLoggerFactory(efLogger).UseQueryTrackingBehavior(QueryTrackingBehavior.NoTracking)
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// //.ReplaceService<IQueryTranslationPostprocessorFactory,SqlServer2008QueryTranslationPostprocessorFactory>()//支持sqlserver2008r2
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// );//使用链接字符串创建dbcontext
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// //op.UseReadWriteConfiguration(sp => new List<string>()
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// //{
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// // "Data Source=localhost;Initial Catalog=ShardingCoreDB1;Integrated Security=True;",
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// // "Data Source=localhost;Initial Catalog=ShardingCoreDB2;Integrated Security=True;"
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// //}, ReadStrategyEnum.Random);
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// op.AddShardingTableRoute<SysUserModVirtualTableRoute>();
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// op.AddShardingTableRoute<SysUserSalaryVirtualTableRoute>();
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// });
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}
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// This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
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public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
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{
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if (env.IsDevelopment())
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{
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app.UseDeveloperExceptionPage();
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}
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app.UseShardingCore();
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app.UseRouting();
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app.UseEndpoints(endpoints => { endpoints.MapControllers(); });
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app.DbSeed();
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}
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}
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} |