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- 增加 FreeSql.DbContext/Repository Async CancellationToken 参数；#537

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This commit is contained in:
2881099
2020-11-17 19:44:47 +08:00
parent c04a32659d
commit 2947572f05
8 changed files with 122 additions and 137 deletions
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22
FreeSql.DbContext/DbContext/DbContextAsync.cs
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@@ -4,6 +4,7 @@ using System.Collections.Generic;
using System.Linq;
using System.Linq.Expressions;
using System.Reflection;
using System.Threading;
using System.Threading.Tasks;
#if net40
@@ -12,14 +13,14 @@ namespace FreeSql
{
partial class DbContext
{
async public virtual Task<int> SaveChangesAsync()
async public virtual Task<int> SaveChangesAsync(CancellationToken cancellationToken = default)
{
await FlushCommandAsync();
await FlushCommandAsync(cancellationToken);
return SaveChangesSuccess();
}
static ConcurrentDictionary<Type, ConcurrentDictionary<string, Func<object, object[], Task<int>>>> _dicFlushCommandDbSetBatchAsync = new ConcurrentDictionary<Type, ConcurrentDictionary<string, Func<object, object[], Task<int>>>>();
async internal Task FlushCommandAsync()
static ConcurrentDictionary<Type, ConcurrentDictionary<string, Func<object, object[], CancellationToken, Task<int>>>> _dicFlushCommandDbSetBatchAsync = new ConcurrentDictionary<Type, ConcurrentDictionary<string, Func<object, object[], CancellationToken, Task<int>>>>();
async internal Task FlushCommandAsync(CancellationToken cancellationToken)
{
if (isFlushCommanding) return;
if (_prevCommands.Any() == false) return;
@@ -31,25 +32,26 @@ namespace FreeSql
Task<int> dbsetBatch(string method)
{
var tryfunc = _dicFlushCommandDbSetBatchAsync
.GetOrAdd(oldinfo.stateType, stateType => new ConcurrentDictionary<string, Func<object, object[], Task<int>>>())
.GetOrAdd(oldinfo.stateType, stateType => new ConcurrentDictionary<string, Func<object, object[], CancellationToken, Task<int>>>())
.GetOrAdd(method, methodName =>
{
var arrType = oldinfo.stateType.MakeArrayType();
var dbsetType = oldinfo.dbSet.GetType().BaseType;
var dbsetTypeMethod = dbsetType.GetMethod(methodName, BindingFlags.NonPublic | BindingFlags.Instance, null, new[] { arrType }, null);
var dbsetTypeMethod = dbsetType.GetMethod(methodName, BindingFlags.NonPublic | BindingFlags.Instance, null, new[] { arrType, typeof(CancellationToken) }, null);
var returnTarget = Expression.Label(typeof(Task<int>));
var parm1DbSet = Expression.Parameter(typeof(object));
var parm2Vals = Expression.Parameter(typeof(object[]));
var parm3CancelToken = Expression.Parameter(typeof(CancellationToken));
var var1Vals = Expression.Variable(arrType);
return Expression.Lambda<Func<object, object[], Task<int>>>(Expression.Block(
return Expression.Lambda<Func<object, object[], CancellationToken, Task<int>>>(Expression.Block(
new[] { var1Vals },
Expression.Assign(var1Vals, Expression.Convert(global::FreeSql.Internal.Utils.GetDataReaderValueBlockExpression(arrType, parm2Vals), arrType)),
Expression.Return(returnTarget, Expression.Call(Expression.Convert(parm1DbSet, dbsetType), dbsetTypeMethod, var1Vals)),
Expression.Return(returnTarget, Expression.Call(Expression.Convert(parm1DbSet, dbsetType), dbsetTypeMethod, var1Vals, parm3CancelToken)),
Expression.Label(returnTarget, Expression.Default(typeof(Task<int>)))
), new[] { parm1DbSet, parm2Vals }).Compile();
), new[] { parm1DbSet, parm2Vals, parm3CancelToken }).Compile();
});
return tryfunc(oldinfo.dbSet, states.ToArray());
return tryfunc(oldinfo.dbSet, states.ToArray(), cancellationToken);
}
async Task funcDelete()
{