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Code Issues Releases Wiki Activity

添加aop针对abpvnext的处理[#226]

This commit is contained in:
xuejiaming 2022-12-23 09:10:01 +08:00
parent 3875def0fa
commit 96e785ac10
6 changed files with 131 additions and 452 deletions
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2
samples/Sample.AutoCreateIfPresent/MyShardingExtension.cs
View File

@ -44,7 +44,7 @@ public static class MyShardingExtension
new Dictionary<DbContext, IEnumerable<TEntity>>() new Dictionary<DbContext, IEnumerable<TEntity>>()
{ {
{ {
shardingDbContext.CreateGenericDbContext(entitiesArray[0]), shardingDbContext.GetShardingExecutor().CreateGenericDbContext(entitiesArray[0]),
entitiesArray entitiesArray
} }
} }

460
samples/Samples.AbpSharding/AbstractShardingAbpDbContext.cs
View File

@ -34,48 +34,25 @@ namespace Samples.AbpSharding
if (wrapOptionsExtension != null) if (wrapOptionsExtension != null)
{ {
_shardingDbContextExecutor = new ShardingDbContextExecutor(this); _shardingDbContextExecutor = new ShardingDbContextExecutor(this);
_shardingDbContextExecutor.EntityCreateDbContextBefore += (sender, args) =>
{
CheckAndSetShardingKeyThatSupportAutoCreate(args.Entity);
};
_shardingDbContextExecutor.CreateDbContextAfter += (sender, args) =>
{
var shardingDbContextExecutor = (IShardingDbContextExecutor)sender;
var argsDbContext = args.DbContext;
var shellDbContext = shardingDbContextExecutor.GetShellDbContext();
if (argsDbContext is AbpDbContext<TDbContext> abpDbContext&&shellDbContext is AbpDbContext<TDbContext> abpShellDbContext &&
abpDbContext.LazyServiceProvider == null)
{
abpDbContext.LazyServiceProvider = abpShellDbContext.LazyServiceProvider;
}
};
} }
} }
/// <summary>
/// 是否是真正的执行者
/// </summary>
private bool isExecutor => _shardingDbContextExecutor == null;
//public void ShardingUpgrade()
//{
// //IsExecutor = true;
//}
public DbContext GetDbContext(string dataSourceName, CreateDbContextStrategyEnum strategy, IRouteTail routeTail)
{
var dbContext = _shardingDbContextExecutor.CreateDbContext(strategy, dataSourceName, routeTail);
if (dbContext is AbpDbContext<TDbContext> abpDbContext)
{
abpDbContext.LazyServiceProvider = this.LazyServiceProvider;
}
return dbContext;
}
/// <summary>
/// 根据对象创建通用的dbcontext
/// </summary>
/// <typeparam name="TEntity"></typeparam>
/// <param name="entity"></param>
/// <returns></returns>
public DbContext CreateGenericDbContext<TEntity>(TEntity entity) where TEntity : class
{
CheckAndSetShardingKeyThatSupportAutoCreate(entity);
var dbContext = _shardingDbContextExecutor.CreateGenericDbContext(entity);
if (dbContext is AbpDbContext<TDbContext> abpDbContext && abpDbContext.LazyServiceProvider == null)
{
abpDbContext.LazyServiceProvider = this.LazyServiceProvider;
}
return dbContext;
}
public IShardingDbContextExecutor GetShardingExecutor() public IShardingDbContextExecutor GetShardingExecutor()
{ {
return _shardingDbContextExecutor; return _shardingDbContextExecutor;
@ -118,416 +95,19 @@ namespace Samples.AbpSharding
} }
} }
public override EntityEntry Add(object entity)
{
if (isExecutor)
base.Add(entity);
return CreateGenericDbContext(entity).Add(entity);
}
public override EntityEntry<TEntity> Add<TEntity>(TEntity entity)
{
if (isExecutor)
return base.Add(entity);
return CreateGenericDbContext(entity).Add(entity);
}
public override ValueTask<EntityEntry<TEntity>> AddAsync<TEntity>(TEntity entity, CancellationToken cancellationToken = new CancellationToken())
{
if (isExecutor)
return base.AddAsync(entity, cancellationToken);
return CreateGenericDbContext(entity).AddAsync(entity, cancellationToken);
}
public override ValueTask<EntityEntry> AddAsync(object entity, CancellationToken cancellationToken = new CancellationToken())
{
if (isExecutor)
return base.AddAsync(entity, cancellationToken);
return CreateGenericDbContext(entity).AddAsync(entity, cancellationToken);
}
public override void AddRange(params object[] entities)
{
if (isExecutor)
{
base.AddRange(entities);
return;
}
var groups = entities.Select(o =>
{
var dbContext = CreateGenericDbContext(o);
return new
{
DbContext = dbContext,
Entity = o
};
}).GroupBy(g => g.DbContext);
foreach (var group in groups)
{
group.Key.AddRange(group.Select(o => o.Entity));
}
}
public override void AddRange(IEnumerable<object> entities)
{
if (isExecutor)
{
base.AddRange(entities);
return;
}
var groups = entities.Select(o =>
{
var dbContext = CreateGenericDbContext(o);
return new
{
DbContext = dbContext,
Entity = o
};
}).GroupBy(g => g.DbContext);
foreach (var group in groups)
{
group.Key.AddRange(group.Select(o => o.Entity));
}
}
public override async Task AddRangeAsync(params object[] entities)
{
if (isExecutor)
{
await base.AddRangeAsync(entities);
return;
}
var groups = entities.Select(o =>
{
var dbContext = CreateGenericDbContext(o);
return new
{
DbContext = dbContext,
Entity = o
};
}).GroupBy(g => g.DbContext);
foreach (var group in groups)
{
await group.Key.AddRangeAsync(group.Select(o => o.Entity));
}
}
public override async Task AddRangeAsync(IEnumerable<object> entities, CancellationToken cancellationToken = new CancellationToken())
{
if (isExecutor)
{
await base.AddRangeAsync(entities, cancellationToken);
return;
}
var groups = entities.Select(o =>
{
var dbContext = CreateGenericDbContext(o);
return new
{
DbContext = dbContext,
Entity = o
};
}).GroupBy(g => g.DbContext);
foreach (var group in groups)
{
await group.Key.AddRangeAsync(group.Select(o => o.Entity));
}
}
public override EntityEntry<TEntity> Attach<TEntity>(TEntity entity)
{
if (isExecutor)
return base.Attach(entity);
return CreateGenericDbContext(entity).Attach(entity);
}
public override EntityEntry Attach(object entity)
{
if (isExecutor)
return base.Attach(entity);
return CreateGenericDbContext(entity).Attach(entity);
}
public override void AttachRange(params object[] entities)
{
if (isExecutor)
{
base.AttachRange(entities);
return;
}
var groups = entities.Select(o =>
{
var dbContext = CreateGenericDbContext(o);
return new
{
DbContext = dbContext,
Entity = o
};
}).GroupBy(g => g.DbContext);
foreach (var group in groups)
{
group.Key.AttachRange(group.Select(o => o.Entity));
}
}
public override void AttachRange(IEnumerable<object> entities)
{
if (isExecutor)
{
base.AttachRange(entities);
return;
}
var groups = entities.Select(o =>
{
var dbContext = CreateGenericDbContext(o);
return new
{
DbContext = dbContext,
Entity = o
};
}).GroupBy(g => g.DbContext);
foreach (var group in groups)
{
group.Key.AttachRange(group.Select(o => o.Entity));
}
}
//public override DatabaseFacade Database => _dbContextCaches.Any()
// ? _dbContextCaches.First().Value.Database
// : GetDbContext(true, string.Empty).Database;
public override EntityEntry<TEntity> Entry<TEntity>(TEntity entity)
{
if (isExecutor)
return base.Entry(entity);
return CreateGenericDbContext(entity).Entry(entity);
}
public override EntityEntry Entry(object entity)
{
if (isExecutor)
return base.Entry(entity);
return CreateGenericDbContext(entity).Entry(entity);
}
public override EntityEntry<TEntity> Update<TEntity>(TEntity entity)
{
if (isExecutor)
return base.Update(entity);
return CreateGenericDbContext(entity).Update(entity);
}
public override EntityEntry Update(object entity)
{
if (isExecutor)
return base.Update(entity);
return CreateGenericDbContext(entity).Update(entity);
}
public override void UpdateRange(params object[] entities)
{
if (isExecutor)
{
base.UpdateRange(entities);
return;
}
var groups = entities.Select(o =>
{
var dbContext = CreateGenericDbContext(o);
return new
{
DbContext = dbContext,
Entity = o
};
}).GroupBy(g => g.DbContext);
foreach (var group in groups)
{
group.Key.UpdateRange(group.Select(o => o.Entity));
}
}
public override void UpdateRange(IEnumerable<object> entities)
{
if (isExecutor)
{
base.UpdateRange(entities);
return;
}
var groups = entities.Select(o =>
{
var dbContext = CreateGenericDbContext(o);
return new
{
DbContext = dbContext,
Entity = o
};
}).GroupBy(g => g.DbContext);
foreach (var group in groups)
{
group.Key.UpdateRange(group.Select(o => o.Entity));
}
}
public override EntityEntry<TEntity> Remove<TEntity>(TEntity entity)
{
if (isExecutor)
return base.Remove(entity);
return CreateGenericDbContext(entity).Remove(entity);
}
public override EntityEntry Remove(object entity)
{
if (isExecutor)
return base.Remove(entity);
return CreateGenericDbContext(entity).Remove(entity);
}
public override void RemoveRange(params object[] entities)
{
if (isExecutor)
{
base.RemoveRange(entities);
return;
}
var groups = entities.Select(o =>
{
var dbContext = CreateGenericDbContext(o);
return new
{
DbContext = dbContext,
Entity = o
};
}).GroupBy(g => g.DbContext);
foreach (var group in groups)
{
group.Key.RemoveRange(group.Select(o => o.Entity));
}
}
public override void RemoveRange(IEnumerable<object> entities)
{
if (isExecutor)
{
base.RemoveRange(entities);
return;
}
var groups = entities.Select(o =>
{
var dbContext = CreateGenericDbContext(o);
return new
{
DbContext = dbContext,
Entity = o
};
}).GroupBy(g => g.DbContext);
foreach (var group in groups)
{
group.Key.RemoveRange(group.Select(o => o.Entity));
}
}
public override int SaveChanges()
{
if (isExecutor)
return base.SaveChanges();
return this.SaveChanges(true);
}
public override int SaveChanges(bool acceptAllChangesOnSuccess)
{
if (isExecutor)
return base.SaveChanges(acceptAllChangesOnSuccess);
//ApplyShardingConcepts();
int i = 0;
//如果是内部开的事务就内部自己消化
if (Database.CurrentTransaction == null && _shardingDbContextExecutor.IsMultiDbContext)
{
using (var tran = Database.BeginTransaction())
{
i = _shardingDbContextExecutor.SaveChanges(acceptAllChangesOnSuccess);
tran.Commit();
}
}
else
{
i = _shardingDbContextExecutor.SaveChanges(acceptAllChangesOnSuccess);
}
return i;
}
public override Task<int> SaveChangesAsync(CancellationToken cancellationToken = new CancellationToken())
{
if (isExecutor)
return base.SaveChangesAsync(cancellationToken);
return this.SaveChangesAsync(true, cancellationToken);
}
public override async Task<int> SaveChangesAsync(bool acceptAllChangesOnSuccess, CancellationToken cancellationToken = new CancellationToken())
{
if (isExecutor)
return await base.SaveChangesAsync(acceptAllChangesOnSuccess, cancellationToken);
//ApplyShardingConcepts();
int i = 0;
//如果是内部开的事务就内部自己消化
if (Database.CurrentTransaction == null && _shardingDbContextExecutor.IsMultiDbContext)
{
using (var tran = await Database.BeginTransactionAsync(cancellationToken))
{
i = await _shardingDbContextExecutor.SaveChangesAsync(acceptAllChangesOnSuccess, cancellationToken);
await tran.CommitAsync(cancellationToken);
}
}
else
{
i = await _shardingDbContextExecutor.SaveChangesAsync(acceptAllChangesOnSuccess, cancellationToken);
}
return i;
}
public override void Dispose() public override void Dispose()
{ {
_shardingDbContextExecutor?.Dispose();
if (isExecutor) base.Dispose();
{
base.Dispose();
}
else
{
_shardingDbContextExecutor.Dispose();
base.Dispose();
}
} }
public override async ValueTask DisposeAsync() public override async ValueTask DisposeAsync()
{ {
if (isExecutor) if (_shardingDbContextExecutor != null)
{
await base.DisposeAsync();
}
else
{ {
await _shardingDbContextExecutor.DisposeAsync(); await _shardingDbContextExecutor.DisposeAsync();
await base.DisposeAsync();
} }
await base.DisposeAsync();
} }
} }
} }

12
src/ShardingCore/EFCores/EFCore7x/ShardingStateManager.cs
View File

@ -15,13 +15,11 @@ namespace ShardingCore.EFCores
{ {
public class ShardingStateManager:StateManager public class ShardingStateManager:StateManager
{ {
private readonly DbContext _currentDbContext;
private readonly IShardingDbContext _currentShardingDbContext; private readonly IShardingDbContext _currentShardingDbContext;
public ShardingStateManager(StateManagerDependencies dependencies) : base(dependencies) public ShardingStateManager(StateManagerDependencies dependencies) : base(dependencies)
{ {
_currentDbContext=dependencies.CurrentContext.Context; _currentShardingDbContext = (IShardingDbContext)Context;
_currentShardingDbContext = (IShardingDbContext)_currentDbContext;
} }
public override InternalEntityEntry GetOrCreateEntry(object entity) public override InternalEntityEntry GetOrCreateEntry(object entity)
@ -69,9 +67,9 @@ namespace ShardingCore.EFCores
//ApplyShardingConcepts(); //ApplyShardingConcepts();
int i = 0; int i = 0;
//如果是内部开的事务就内部自己消化 //如果是内部开的事务就内部自己消化
if (_currentDbContext.Database.AutoTransactionsEnabled&&_currentDbContext.Database.CurrentTransaction==null&&_currentShardingDbContext.GetShardingExecutor().IsMultiDbContext) if (Context.Database.AutoTransactionsEnabled&&Context.Database.CurrentTransaction==null&&_currentShardingDbContext.GetShardingExecutor().IsMultiDbContext)
{ {
using (var tran = _currentDbContext.Database.BeginTransaction()) using (var tran = Context.Database.BeginTransaction())
{ {
i = _currentShardingDbContext.GetShardingExecutor().SaveChanges(acceptAllChangesOnSuccess); i = _currentShardingDbContext.GetShardingExecutor().SaveChanges(acceptAllChangesOnSuccess);
tran.Commit(); tran.Commit();
@ -90,9 +88,9 @@ namespace ShardingCore.EFCores
//ApplyShardingConcepts(); //ApplyShardingConcepts();
int i = 0; int i = 0;
//如果是内部开的事务就内部自己消化 //如果是内部开的事务就内部自己消化
if (_currentDbContext.Database.AutoTransactionsEnabled && _currentDbContext.Database.CurrentTransaction==null && _currentShardingDbContext.GetShardingExecutor().IsMultiDbContext) if (Context.Database.AutoTransactionsEnabled && Context.Database.CurrentTransaction==null && _currentShardingDbContext.GetShardingExecutor().IsMultiDbContext)
{ {
using (var tran = await _currentDbContext.Database.BeginTransactionAsync(cancellationToken)) using (var tran = await Context.Database.BeginTransactionAsync(cancellationToken))
{ {
i = await _currentShardingDbContext.GetShardingExecutor().SaveChangesAsync(acceptAllChangesOnSuccess, cancellationToken); i = await _currentShardingDbContext.GetShardingExecutor().SaveChangesAsync(acceptAllChangesOnSuccess, cancellationToken);
await tran.CommitAsync(cancellationToken); await tran.CommitAsync(cancellationToken);

16
src/ShardingCore/Sharding/Abstractions/IShardingDbContextExecutor.cs
View File

@ -23,6 +23,22 @@ namespace ShardingCore.Sharding.Abstractions
#endif #endif
{ {
/// <summary>
/// 使用对象创建db context的前执行
/// </summary>
event EventHandler<EntityCreateDbContextBeforeEventArgs> EntityCreateDbContextBefore;
/// <summary>
/// 使用对象创建db context的后执行
/// </summary>
event EventHandler<EntityCreateDbContextAfterEventArgs> EntityCreateDbContextAfter;
/// <summary>
/// 使用tail创建db context的前执行
/// </summary>
event EventHandler<CreateDbContextBeforeEventArgs> CreateDbContextBefore;
/// <summary>
/// 使用tail创建db context的后执行
/// </summary>
event EventHandler<CreateDbContextAfterEventArgs> CreateDbContextAfter;
/// <summary> /// <summary>
/// has multi db context /// has multi db context
/// </summary> /// </summary>

55
src/ShardingCore/Sharding/Abstractions/ShardingDbContextExecutorEventArgs.cs Normal file
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@ -0,0 +1,55 @@
using System;
using Microsoft.EntityFrameworkCore;
using ShardingCore.Core.VirtualRoutes.TableRoutes.RouteTails.Abstractions;
namespace ShardingCore.Sharding.Abstractions
{
public class EntityCreateDbContextBeforeEventArgs: EventArgs
{
public object Entity { get; }
public EntityCreateDbContextBeforeEventArgs(object entity)
{
Entity = entity;
}
}
public class CreateDbContextBeforeEventArgs: EventArgs
{
public CreateDbContextStrategyEnum Strategy { get; }
public string DataSourceName { get; }
public IRouteTail RouteTail { get; }
public CreateDbContextBeforeEventArgs(CreateDbContextStrategyEnum strategy, string dataSourceName, IRouteTail routeTail)
{
Strategy = strategy;
DataSourceName = dataSourceName;
RouteTail = routeTail;
}
}
public class CreateDbContextAfterEventArgs: EventArgs
{
public CreateDbContextStrategyEnum Strategy { get; }
public string DataSourceName { get; }
public IRouteTail RouteTail { get; }
public DbContext DbContext { get; }
public CreateDbContextAfterEventArgs(CreateDbContextStrategyEnum strategy, string dataSourceName, IRouteTail routeTail,DbContext dbContext)
{
Strategy = strategy;
DataSourceName = dataSourceName;
RouteTail = routeTail;
DbContext = dbContext;
}
}
public class EntityCreateDbContextAfterEventArgs: EventArgs
{
public object Entity { get; }
public DbContext DbContext { get; }
public EntityCreateDbContextAfterEventArgs(object entity,DbContext dbContext)
{
Entity = entity;
DbContext = dbContext;
}
}
}

38
src/ShardingCore/Sharding/ShardingDbContextExecutors/ShardingDbContextExecutor.cs
View File

@ -35,6 +35,13 @@ namespace ShardingCore.Sharding.ShardingDbContextExecutors
/// <typeparam name="TShardingDbContext"></typeparam> /// <typeparam name="TShardingDbContext"></typeparam>
public class ShardingDbContextExecutor : IShardingDbContextExecutor public class ShardingDbContextExecutor : IShardingDbContextExecutor
{ {
public event EventHandler<EntityCreateDbContextBeforeEventArgs> EntityCreateDbContextBefore;
public event EventHandler<EntityCreateDbContextAfterEventArgs> EntityCreateDbContextAfter;
public event EventHandler<CreateDbContextBeforeEventArgs> CreateDbContextBefore;
public event EventHandler<CreateDbContextAfterEventArgs> CreateDbContextAfter;
private readonly ILogger<ShardingDbContextExecutor> _logger; private readonly ILogger<ShardingDbContextExecutor> _logger;
private readonly DbContext _shardingDbContext; private readonly DbContext _shardingDbContext;
@ -106,19 +113,29 @@ namespace ShardingCore.Sharding.ShardingDbContextExecutors
public DbContext CreateDbContext(CreateDbContextStrategyEnum strategy, string dataSourceName, public DbContext CreateDbContext(CreateDbContextStrategyEnum strategy, string dataSourceName,
IRouteTail routeTail) IRouteTail routeTail)
{ {
if (CreateDbContextBefore != null)
{
CreateDbContextBefore.Invoke(this,new CreateDbContextBeforeEventArgs(strategy,dataSourceName,routeTail));
}
DbContext dbContext;
if (CreateDbContextStrategyEnum.ShareConnection == strategy) if (CreateDbContextStrategyEnum.ShareConnection == strategy)
{ {
var dataSourceDbContext = GetDataSourceDbContext(dataSourceName); var dataSourceDbContext = GetDataSourceDbContext(dataSourceName);
return dataSourceDbContext.CreateDbContext(routeTail); dbContext= dataSourceDbContext.CreateDbContext(routeTail);
} }
else else
{ {
var parallelDbContextOptions = CreateParallelDbContextOptions(dataSourceName, strategy); var parallelDbContextOptions = CreateParallelDbContextOptions(dataSourceName, strategy);
var dbContext = dbContext =
_dbContextCreator.CreateDbContext(_shardingDbContext, parallelDbContextOptions, routeTail); _dbContextCreator.CreateDbContext(_shardingDbContext, parallelDbContextOptions, routeTail);
dbContext.ChangeTracker.QueryTrackingBehavior = QueryTrackingBehavior.NoTracking; dbContext.ChangeTracker.QueryTrackingBehavior = QueryTrackingBehavior.NoTracking;
return dbContext;
} }
if (CreateDbContextAfter != null)
{
CreateDbContextAfter.Invoke(this,new CreateDbContextAfterEventArgs(strategy,dataSourceName,routeTail,dbContext));
}
return dbContext;
} }
private DbContextOptions CreateParallelDbContextOptions(string dataSourceName, private DbContextOptions CreateParallelDbContextOptions(string dataSourceName,
@ -136,12 +153,25 @@ namespace ShardingCore.Sharding.ShardingDbContextExecutors
public DbContext CreateGenericDbContext<TEntity>(TEntity entity) where TEntity : class public DbContext CreateGenericDbContext<TEntity>(TEntity entity) where TEntity : class
{ {
if (EntityCreateDbContextBefore != null)
{
EntityCreateDbContextBefore.Invoke(this,new EntityCreateDbContextBeforeEventArgs(entity));
}
var realEntityType = _trackerManager.TranslateEntityType(entity.GetType()); var realEntityType = _trackerManager.TranslateEntityType(entity.GetType());
var dataSourceName = GetDataSourceName(entity,realEntityType); var dataSourceName = GetDataSourceName(entity,realEntityType);
var tail = GetTableTail(dataSourceName, entity,realEntityType); var tail = GetTableTail(dataSourceName, entity,realEntityType);
return CreateDbContext(CreateDbContextStrategyEnum.ShareConnection, dataSourceName, var dbContext = CreateDbContext(CreateDbContextStrategyEnum.ShareConnection, dataSourceName,
_routeTailFactory.Create(tail)); _routeTailFactory.Create(tail));
if (EntityCreateDbContextAfter != null)
{
EntityCreateDbContextAfter.Invoke(this,new EntityCreateDbContextAfterEventArgs(entity,dbContext));
}
return dbContext;
} }
public IVirtualDataSource GetVirtualDataSource() public IVirtualDataSource GetVirtualDataSource()